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PROMISE RINGS

Handcrafted Symbols of Commitment

Celebrate love, loyalty, and meaningful milestones with promise rings in moissanite, moss agate, emerald, opal, sapphire, diamond, and other gemstone styles—each designed to feel personal and uniquely yours.
Shop All Promise Rings

Most Loved Promise Rings

Celebrate your story with delicate rings, colorful gemstones, classic sparkle, and affordable designs made for everyday wear and moments worth remembering.
LeafLace | Kite Cut Moss Agate Promise Ring with Emerald Accents Engagement Ring
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LeafLace | Kite Cut Moss Agate Promise Ring with Emerald Accents Engagement Ring

$348
Round Cut Moss Agate Engagement Ring Moissanite Accent Promise Ring
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Round Cut Moss Agate Engagement Ring Moissanite Accent Promise Ring

$284
Half Carat Oval Cut Moissanite Promise Ring Dainty Engagement Ring
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Half Carat Oval Cut Moissanite Promise Ring Dainty Engagement Ring

$295
Snowdrift | Half Carat Round Cut Moissanite Promise Ring Cluster Engagement Ring - Flip & Petite Accents
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Snowdrift | Half Carat Round Cut Moissanite Promise Ring Cluster Engagement Ring – Flip & Petite Accents

$286
Hexagon Cut Moss Agate Promise Ring Nature Inspired Engagement Ring
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Hexagon Cut Moss Agate Promise Ring Nature Inspired Engagement Ring

$272
LeafLace | Soft Vibe Oval Cut Lavender Amethyst Promise Ring February Birthstone Gift

LeafLace | Soft Vibe Oval Cut Lavender Amethyst Promise Ring February Birthstone Gift

$328
Classic Cluster | 0.5CT Oval Cut Moissanite Promise Ring Classic Side Stone Engagement Ring

Classic Cluster | 0.5CT Oval Cut Moissanite Promise Ring Classic Side Stone Engagement Ring

$268
1/2 Carat Oval Cut Moissanite Flourish Promise Ring Three Stone Dainty Engagement Ring

1/2 Carat Oval Cut Moissanite Flourish Promise Ring Three Stone Dainty Engagement Ring

$322
TwigLine | Moissanite & Emerald Engagement Ring Nature Themed Promise Ring
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TwigLine | Moissanite & Emerald Engagement Ring Nature Themed Promise Ring

$365
Half Eternity Moissanite Wedding Band Milgrain Promise Ring

Half Eternity Moissanite Wedding Band Milgrain Promise Ring

$200
Kite Cut Lab Opal Promise Ring Moss Agate Leaf Bridal Ring

Kite Cut Lab Opal Promise Ring Moss Agate Leaf Bridal Ring

$288
Princess Cut Moissanite Infinity Promise Ring Danity Engagement Ring

Princess Cut Moissanite Infinity Promise Ring Danity Engagement Ring

$329
Half Carat Oval Moissanite Cluster Promise Ring Dainty Engagement Ring

Half Carat Oval Moissanite Cluster Promise Ring Dainty Engagement Ring

$310
Twisted Design Diamond Wedding Band Delicated Eternity Promise Ring
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Twisted Design Diamond Wedding Band Delicated Eternity Promise Ring

$180
Round Cut Lab Emerald Promise Ring Nature Inspired Solitaire Ring
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Round Cut Lab Emerald Promise Ring Nature Inspired Solitaire Ring

$295
LeafLace | Round Cut Moss Agate Promise Ring with Aquamarine Accents
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LeafLace | Round Cut Moss Agate Promise Ring with Aquamarine Accents

$320
Leaf Inspired Moissanite Promise Ring Unique Milestone Gift For Women
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Leaf Inspired Moissanite Promise Ring Unique Milestone Gift For Women

$173
1/3 Carat Round Cut Moissanite Promise Ring Dainty Engagement Ring

1/3 Carat Round Cut Moissanite Promise Ring Dainty Engagement Ring

$282
Elongated Hexagon Moss Agate Promise Ring Baguette Accented Bridal Ring

Elongated Hexagon Moss Agate Promise Ring Baguette Accented Bridal Ring

$365
Couple's Promise Rings

What Is a Promise Ring?

People choose promise rings for many reasons: a romantic commitment, a long-distance relationship, a meaningful milestone, a friendship or family bond, a promise to yourself, or a personal commitment that does not involve marriage.
A promise ring does not have one fixed meaning. What matters is the commitment, milestone, or intention you want the ring to represent.

Shop Promise Rings by Stone

The right gemstone depends on the look, symbolism, and everyday wear you have in mind. From bright sparkle to natural patterns and rich color, each stone gives a promise ring a different character.
Moissanite Promise Ring

Moissanite

Moissanite Promise Rings offer bright brilliance and excellent durability for frequent wear. They are a strong choice when you want diamond-like sparkle at a more accessible price.

Moss Agate Promise Rings

Moss Agate

Moss Agate Promise Rings feature naturally varied green patterns, so no two stones look exactly alike. Their organic character suits nature-inspired and unconventional styles.

Emerald Promise Rings

Emerald

Emerald Promise Rings bring rich green color and symbolism associated with growth, loyalty, and new beginnings.

Opal Promise Rings

Opal

Opal Promise Rings offer a range of colors and patterns, with some varieties showing distinctive play-of-color. They are a good choice if you want a softer, more individual look.

Explore More Promise rings

Customize Your Promise Ring

Made by Us, Designed by You

Can’t find the “perfect” one? Depending on the design, you may be able to change the center stone, metal, accent gemstones, setting details, or add a personal engraving. Options, pricing, and production time vary, and some requests may not be possible for every design.
See our Customization Guide or contact our team to confirm availability, cost, and estimated production time.
Start Designing Your Ring
design promise ring

Customize Your Promise Rings

Made by Us, Designed by You

Can’t find the “perfect” one? Let’s create it together. From selecting a style to adding a secret engraving, our Customization Guide shows you how to turn a vision into a handcrafted reality.

Start Designing Your Ring
design promise ring

Why People Choose MollyJewelryUS Promise Rings

Thousands of people have marked their most meaningful moments with MollyJewelryUS — and we’re here for every step of your story.

 

As your story grows, your ring can too. Upgrade anytime and receive 20% OFF toward your engagement ring—so this is just the beginning, not the final step.

From custom sketches to secret engravings, create a design that no one else owns. Because a love like yours deserves a ring without a template.

Not sure if it’s the right one yet? Take your time. You have 30 days to return or exchange, so you can choose with confidence, not pressure.

We’ve got you covered for everyday wear. If anything goes wrong within the first year, we’ll take care of it—so you can wear your ring without worry.

Our stones are carefully selected with responsibility in mind—so your ring not only feels right for your relationship, but also for the world around you.

Promise Rings Education Guides

Not sure what a promise ring means, how to choose one, or what to consider before ordering? Explore our promise ring guides for practical answers.
Promise Rings vs. Engagement Rings

Promise Rings vs. Engagement Rings

Confused between the two? Learn the key differences in meaning, timing, and etiquette to choose the right ring for your commitment.

Which Finger Does a Promise Ring Go On

Which Finger Does a Promise Ring Go On?

Not sure where a promise ring should go? Learn what different finger placements can mean and choose what feels right for you.

How Much Should You Spend on a Promise Ring

How Much Should You Spend on a Promise Ring?

How much should you spend on a promise ring? Discover average costs, budget tips, pricing factors, and meaningful ring ideas.

Best Gemstones for Promise Rings Meaning & Value

Best Gemstones for Promise Rings: Meaning & Value

Which stone is right for your vow? Discover today’s most popular center stone options and find the one that perfectly matches your love story.

Promise Ring Messages & Engraving Ideas

Promise Ring Messages & Engraving Ideas

Find meaningful promise ring engraving ideas, romantic messages, personalization tips, and customization options.

Where Promises Become Everyday

Thousands of people have marked meaningful moments with MollyJewelryUS — and we’re here for every step of your story.
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Frequently Asked Questions About Promise Rings

Promise rings can mean different things to different people. Here are answers to some of the questions that matter most before choosing one.
A promise ring expresses commitment, love, or future intentions without necessarily representing marriage. An engagement ring traditionally signifies a formal intention to marry.
Anyone can give a promise ring. Romantic partners are common, but promise rings may also represent friendship, family bonds, personal milestones, or a personal vow.
There is no required timeline. Some couples exchange promise rings early in a relationship, while others choose one for an anniversary, milestone, or another meaningful moment.
Yes, if both partners intend the ring to represent a future proposal and marriage. The meaning comes from the commitment behind the ring rather than the gemstone, size, or price.
Yes. Eligible promise rings may qualify for MollyJewelryUS’s Lifetime Upgrade Program, which can provide 20% toward a future engagement ring. Please review the current program terms before purchasing.
Yes. Depending on the design, you may be able to change the gemstone, metal, setting details, or add a personalized engraving. Contact us at service@mollyjewelryus.com with a photo, sketch, gemstone preference, or rough description, and we’ll take it from there.
MollyJewelryUS promise rings are made to order and individually finished rather than produced as ready-made shelf stock. Available materials and customization options vary by design.
There is no strict rule. Many people wear a promise ring on the ring finger of the left or right hand, while others move it after an engagement or even wear it on a necklace.
Measure a ring that already fits, use a ring sizer, or have the finger professionally measured. For more help, see our Ring Size Guide before ordering.
Yes. Promise rings can feature diamonds as center stones, accents, or part of a more detailed design. The right choice depends on the style and meaning you want the ring to have.
Depending on the design, promise rings can be made in sterling silver, solid gold, platinum and different gold colors. Available options vary by ring, so check the product page or contact us for specific choices.

Check Your Estimated Delivery Date

Planning for an important moment? Use the tool below to check the estimated delivery window for your handcrafted jewelry.

If you order today, your jewelry is estimated to arrive within these windows.

General (All Materials)

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Expedited (Solid Gold & Platinum)

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Expedited (Silver & Gold Plated)

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Handcrafted to Order, Delivered Worldwide

Every piece is handmade after your order is placed. The estimated windows above include both our crafting time and shipping time, so you can plan with more confidence. We ship within the United States and to many international destinations. Please note that delivery times may vary slightly depending on the destination, carrier, and customs processing.

Metal Material Guide

Choosing the right metal is key to your jewelry’s look and longevity. Here is a quick breakdown to help you find your perfect match!

Quick Picks

Not sure where to start? This chart highlights the most durable and preferred metal options categorized by color.

Metal ColorBest Choice
Yellow Gold14K Yellow Gold ✅
Rose Gold14K Rose Gold ✅
Silver-TonePlatinum ✅

Metal Options Explained

· Solid Gold（10K, 14K & 18K）

Solid gold is gold throughout, not just a surface finish. It is made by blending pure gold with other metals to create different balances of color, strength, and value.

* 10K Gold – Practical Choice
Gold Purity: 41.7%. A durable solid gold option with a more subtle gold tone. It is a practical choice if you want real gold at a more accessible price.

* 14K Gold – Most Popular 🔥
Gold Purity: 58.5%. Our most recommended choice for yellow gold and rose gold jewelry. It offers the best balance of color, durability, and everyday wear.

* 18K Gold – Premium Choice
Gold Purity: 75%. A richer, warmer gold option with a higher gold content. It has a more luxurious color and lower sensitization potential.

· Platinum 🔥

Made from 95% pure platinum. Our top choice for silver-tone jewelry. Naturally bright, strong, allergy-friendly, and low-maintenance, platinum is ideal for engagement/wedding rings and long-term daily wear.

· Sterling Silver

Made from 92.5% pure silver. A beautiful and budget-friendly choice with a bright silver look. Best for lighter or occasional wear, as silver may require more care over time.

· Gold Plated Silver

A lower-budget option with the look of gold over a sterling silver base. It is a lovely choice for occasional wear, but the plating may fade with frequent daily use.

Introduction

From an environmental sustainability perspective, all of our items are made to order. This production approach allows us to minimize raw material waste, avoid overproduction, and ensure that each piece is crafted specifically for the customer in optimal condition.

Please note that production typically takes approximately 2–3 weeks. As each item is individually made with care and attention to detail, we believe the additional time ensures a higher level of quality and craftsmanship.

  • Delivery time = production time + shipping time
  • We mostly use USPS as our partner for domestic shipping.
  • We select different shipping carriers for international orders based on the specific circumstances of each country.
  • A tracking number will be updated after we send out the package.

Production Time

Please allow an additional 4 business days for Silver and Platinum pieces. Weekends and public holidays are not counted as business days.

  • General production time: 21 business days.
  • Expedited production time: 14/18 business days.

Shipping time

  • Domestic (United States): Delivery 3-5 business days after production finishes.
  • Other Regions: Delivery 5-10 business days after production finishes.
  • Note: Couriers may not deliver on weekends. International shipments can sometimes experience delays in customs clearance.

Shipping Fee

  • Domestic (United States): Free shipping.
  • Other Regions: From USD$40 to USD$100. You may use the shipping calculator on the cart page to view specific costs.
  • Note: If the shipping address is not accessible, we will contact you before production.

About Customs Duties

  • Duty-Free Coverage: We cover customs duties for packages sent to Canada, Australia, and the United Kingdom, where we have partner warehouses.
  • Disclaimer On Customs Duties: For other regions, all customs and import duties would be charged once the package(s) arrive in the destination country. These charges, if any, must be paid by the customers. If the customers refuse to accept the package due to import duties or taxes, they will assume full responsibility for all return shipping, customs fees, and handling charges.

Need Help?

Custom Wedding Band Options
Made to Match Your Engagement Ring

Finding a wedding band that truly fits your engagement ring can be challenging. With our Custom Fit Service, any curved wedding band, enhancer wedding band, or open wedding band can be tailored to match your ring’s exact shape — even if your engagement ring was not purchased from us. In this guide, we’ll walk you through our services and processes in detail. Let’s get started!

Why do you need a custom wedding band?

More and more couples are choosing unique, personalized engagement rings, making flexible customization options especially important when finding the right wedding band. Ready-made bands are designed with general curves and do not account for the specific height, stone shape, prong placement, or profile of your engagement ring.

When the band does not match the engagement ring, you may experience:

* Visible gaps between the two rings

* Rubbing or collisions that can loosen stones over time

* Instability, causing the rings to twist or catch on clothing

* A mismatched appearance that does not look intentional

To solve these problems, our custom-fit wedding bands eliminate them by tailoring to the exact structure of your engagement ring, ensuring a seamless fit, comfortable wear, and a cohesive look from every angle.

Case Study 1: Customizing the Curvature of a Curved Wedding Band

In this example, the engagement ring features an organic, asymmetrical cluster design, a structure that most ready-made curved bands cannot naturally follow.

The first image clearly shows this issue: the unmatched curvature leaves a gap in the left side and causes the two rings to sit separately rather than as a cohesive set.

After applying our Custom Fit Service, the wedding band’s curve was redesigned to mirror the exact outline of the engagement ring. The result is a customized curvature that fits snugly, creating a unified, intentional look from every angle.

Case Study 2: Customizing the Gap of a Open Wedding Band

In this example, the customer selected an open wedding band to pair with a halo engagement ring. However, the original opening gap of 7.8mm was too wide for the engagement ring’s setting. This caused the two sides of the open band to sit too far apart, preventing the band from framing the center stone in a balanced, intentional way. To achieve a perfect fit, we reduced the gap from 7.8mm to 5.7mm. By customizing it, the open band now aligns seamlessly with the engagement ring’s profile and is nestled naturally around the halo setting.

Case Study 3: Customizing the Inner Spacing & Curvature of a Ring Enhancer

In this example, the customer chose a ring enhancer to frame an engagement ring with unique center setting and shank. However, the original enhancer was designed with general proportions: the inner spacing was too narrow, and the curvature did not match the engagement ring’s profile. As a result, the engagement ring could not slide in naturally, and the curvature is not the perfect one.

To create a perfect pairing, we adjusted two key elements:

1) Inner Spacing Adjustment: the gap between the two bands of the enhancer was widened so that the customer’s engagement ring could fit comfortably inside without friction or pressure on the prongs. This ensures the rings stack smoothly and remain stable during daily wear.

2) Curvature Refinement: we reshaped the curves to echo the exact outline of the engagement ring’s halo and basket. This prevents unwanted gaps and allows the enhancer to hug the ring in a balanced, symmetrical way.

How Our Custom Fit Service Works?

We make the custom-fit process easy and stress-free. Simply share photos and measurements, and we will customize a wedding band that matches your engagement ring beautifully — yes, without sending it in! Here’s how:

1) Share Photos and Measurements: To begin, we ask for clear photos of your engagement ring along with three specific views (front, side, and top).
We also need a few basic measurements such as: *Length & Width of the Center Stone, *Setting Height, *Band Width & Thickness

2) We Create a CAD Model of Your Engagement Ring: Using your photos and measurements, our designers build a precise digital model of your engagement ring. This allows us to see its curvature, profile, height, and overall structure accurately.

3) We Tailor the Wedding Band for a Perfect Fit: Based on the style you choose, whether it is a curved wedding band, open wedding band, or ring enhancer, we adjust every detail to match your engagement ring. This may include: 1️⃣ Refining the curvature to match your ring’s outline. 2️⃣ Adjusting the opening distance for open bands. 3️⃣ Modifying the inner spacing of enhancers to fit around the setting. 4️⃣ Matching band width or thickness when requested (extra cost might be required).

4) Modification Confirmation: We will share the customized design with you for confirmation. Once approved, we begin crafting your one-of-a-kind wedding band.

Our goal is to ensure your wedding band does more than sit beside your engagement ring — it should complement it flawlessly, as if it were made for your story from the beginning.

Frequently Asked Questions

Do I need to send in my engagement ring for the custom fit process?

No, you do not need to ship your ring to us. We can create a perfectly fitted wedding band using photos, three specific views, and a few simple measurements.

Yes. Our Custom Fit Service allows us to tailor any wedding band to match your engagement ring’s unique shape, height, and setting—whether it’s a solitaire, halo, cluster, three-stone, unique design, or a custom ring that is not purchased from us. We tweak all the details to ensure you get a perfect wedding set.

The initial modeling stage takes 1–3 days, during which we create a digital representation of your engagement ring and customize the band design. Once you approve the design, production typically takes 2–3 weeks, the same as you selected on the product page.

Yes. Our Custom Fit Service works for any engagement ring, regardless of where it was purchased.

Depending on the design you choose, we may adjust:

  • The curvature of the band

  • The opening distance of an open band

  • The inner spacing of a ring enhancer

  • The band width or thickness (extra cost might be required if needed)

Absolutely. We will send you a detailed digital mock-up showing how your curved band aligns with your engagement ring. Production only begins after you approve the design.

The service is $100, available as an add-on option on our wedding band product pages.

This is extremely rare due to the precision of our modeling process, but if an issue arises, please be confident that we stand behind our work. Rest assured that we will review the details and offer a solution based on the specific situation.

Yes. In many cases, a straight band can be reshaped with a custom curvature to match your engagement ring. Feel free to contact us if you have any customization ideas.

Yes, we can. In addition to our Custom Fit Service, which tailors a wedding band specifically to your engagement ring, we can create custom wedding band designs that are not listed on our site. Feel free to contact us if you are interested in working with us for something special!

Yes. We can customize men’s wedding rings to complement women’s engagement rings or wedding bands. Whether you want both rings to share matching silhouettes, profiles, design elements, or finishes, we can tailor the men’s band to create a coordinated and cohesive set that feels connected while still reflecting each person’s style.

1. Getting Started:

Online shopping offers a wide variety of choices, but when it comes to purchasing rings, it can be tricky—you can’t be certain of the fit without trying it on!

At MollyJewelryUS, we completely understand your concerns, which is why we’ve created this guide to make your decision easier.

Please take the time to carefully review this guide, as all of our rings are made to order, and a 35% restocking fee applies to exchanges and refunds.

Now, let’s walk you through the measurement process!

2. Key Points to Know About Ring Sizes:

1) Different Bandwidth Affects The Wearing Experience

  • The Bandwidth We Commonly Use: We usually use a 1.4 to 2mm bandwidth for our women’s rings, which can be considered Narrow Bands. Please check the specific bandwidth in the product description section.
  • Narrow Bands May Feel Larger: For rings with a narrower width, some customers may find that the sizes feel larger than expected. This is because narrow bands apply less pressure on the finger, making them feel looser when worn.
  • Wider Bands and Enhancer Bands May Feel Snugger: A ring with a wide band usually feels tighter than its actual size because it covers a larger area of the finger. Therefore, if you choose a wider ring (bigger than 2mm) or an enhancer band (also known as a ring guard or ring jacket), you may need to choose a quarter or half size larger than the narrower ring to ensure comfort.
  • Adjusting for a Perfect Fit: Bandwidth affecting the wearing experience! Before you purchase, make sure you’re aware of this.

2) Resizing Considerations

  • Resizing Limitations: Not all rings can be resized easily. Rings with intricate designs, and eternity bands with stones all around may have limited resizing options. It’s important to choose the correct size from the start if you’re considering these styles.
  • Potential Risks of Resizing: Resizing can sometimes weaken the structural integrity of a ring, especially if it’s adjusted significantly. For rings with side stones, resizing can also affect the setting of the stones and can cause them to fall out easily.
  • Alternatives to Resizing: If resizing isn’t an option, there are alternatives like using sizing beads, ring guards, or exchanging the ring for the correct size if possible. These solutions can help achieve a better fit without compromising the ring’s design or structure.

3. How To Determine Ring Size?

1) Measure A existing rings

* If you know there is a ring that fits perfectly, but you are not sure about its size: Measure the inside diameter and the band width by placing a ruler either on top of the ring or underneath it.

* Please send us some photos according to the following pictures, and we will assist you in choosing the correct size!

2) Use a ring size gauge to find out the perfect size

* If you don’t know the size at all, this would be the best way to take your measurements! Since it’s metallic, it more closely resembles the feeling of wearing a ring, and you can easily tell the size by checking the labels. If you want to be foolproof, you can also take a photo according to Method 1, and send it to us.

3) Use a ring sizer for the measurement

* Please don’t snap it too tightly or loosely, make sure it can turn around on your finger, but there are no gaps. Sending us a picture of wearing it on your finger would be helpful for the judgment.

4) Get sizing at your local jeweler

It’s a good idea to get sized at a nearby jeweler! However, please ask them about the bandwidth they usually use. Just like mentioned at the beginning, band widths affect how rings fit.

5) Measure the circumference of The finger

Unlike metal or plastic, paper strips and thread are thicker and more flexible. As a result, they can create a slight bulge or slack when wrapped around the finger, leading to a measurement slightly larger than the actual size.

Though this method is simple and convenient, it can only serve as a secondary reference, as it may not offer the same accuracy as professional ring-sizing tools.

Please measure multiple times to ensure errors are minimized. Additionally, please let us know the height and weight of the wearer so we can make better assessments.

*Use a strip of paper, a piece of string, or a measuring tape around your finger and mark the overlap. Then, take it off, make it straight, and measure from the beginning to the overlap.

Please send us a photo of the measuring strip or string.

*Use a strip of paper or a piece of string around your finger and mark the overlap. Then, take it off, make sure it is straight, and measure from the beginning to the overlap.

Please send us a photo of the measuring strip or string.

In conclusion: If you are measuring at home, sending us pictures of your measuring process is a very important step. 

If you need any assistance, please get in touch with us at service@mollyjewelryus.com

4. Sizing & Design Tips

  • For ring sizes smaller than 4US
    Rings with smaller circumferences have tighter curvature, which can put extra stress on the side settings and make side stones more prone to loosening over time.
    We recommend choosing designs with fewer or smaller side stones to ensure long-lasting durability and comfort.

  • For ring sizes bigger than 9US
    Larger rings naturally experience greater structural stress when worn, as the metal band spans a wider circle and endures more bending force during daily wear.
    To maintain proper strength and balance, we suggest choosing styles with a band thickness of at least 1.6 mm. If you notice that the thickness listed on our product page does not meet this specification, feel free to contact us for customization.

RING SIZE CHART