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A US-based lab diamond expert will respond within 1 business day.&nbsp;

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A Diamond Concierge is available to help you choose the best option.

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Limited Time: 20% Off EVERYTHING

A sample of our hand-selected, pre-vetted, in-house inventory, immediately available for sale. Want to see more options? <a href="/inquire">Inquire</a> now for a curated list.&nbsp;

Our friendly Diamond Concierge Team is available to answer any questions you may have, help you choose a spectacular lab diamond, and customize this engagement ring to your exact specifications.

ER PDP Checkout Fine Print

Complimentary engraving up to 10 characters. Longer engravings or those with special characters may be available for an extra charge upon inquiry. Please note, resizing engraved rings may require an additional fee.

Not sure what size halo is best? <a href="/inquire">Please inquire</a> and a Diamond Concierge will be happy to discuss with you.

Always custom created, never mass-produced. We proudly craft all of our engagement rings in the USA.

Thank You for Your Inquiry! 

An Ada Diamonds concierge will contact you via email shortly. You can expect a response within 1-2 business days of your submission. We look forward to working with you.In the meantime, please follow <a target="_blank" rel="noopener noreferrer" href="https://instagram.com/adadiamonds">@AdaDiamonds</a>!

Global PopUp Form

Visit <a href="/visit">one of our showrooms</a> or join the thousands of clients around the world who work with us <a href="/diamond-concierge-process">entirely virtually</a>.

After checkout, a Concierge will contact you via email to confirm your order. Prior to production, you will receive a rendering of your ring's exact dimensions for your approval. If you are unresponsive, your order may be canceled.Have questions? Not ready to checkout? <a href="/inquire">Inquire</a> now and a Concierge will respond within 1 business day.&nbsp;

Setting Price as Currently Configured

PDP ER - Setting Price as Currently Configured

Return Policy

We expect you to love your Ada jewelry. Should you be unhappy for any reason, return your item within 30 days for a full refund, less any non-refundable deposits or re-stocking fees. Jewelry must be in new, unworn condition and customer is responsible for return shipping. A return shipping label will be provided for a small fee.

Free US Shipping fully insured with signature required to a residence, business address, or Fedex Office. Purchases over $15,000 will ship FedEx Priority Overnight. Purchases of less than $15,000 will ship Fedex Two Day. International Shipping to 69 countries, fully insured. International shipping fees start at $75 USD.

When it comes to durability and having an engagement ring that stands the test of time, platinum is our recommended choice for a white metal.

Terms &amp; Conditions:<ul><li>Discount applies to select styles only.</li><li>This offer does not apply to custom-designed jewelry or settings.</li><li>A full diamond purchase is required to qualify for the discount; deposits (20%) are excluded.</li><li>Settings are eligible for a discount only with the purchase of a diamond.</li><li>Offer is valid for new purchases only and does not apply to previous transactions.</li><li>This promotion is available for a limited time and may be withdrawn at any time without notice.</li><li>This offer cannot be combined with any other promotions, discounts, or special offers.</li></ul>

Terms &amp; Conditions:<ul><li>Discount applies to select styles only.</li><li>This offer does not apply to custom-designed jewelry or settings.</li><li>Offer is valid for new purchases only and does not apply to previous transactions.</li><li>This promotion is available for a limited time and may be withdrawn at any time without notice.</li><li>This offer cannot be combined with any other promotions, discounts, or special offers.</li></ul>

Not sure what she wants? We can help. Propose with a classic solitaire, and then design a custom ring together.

Proposal Settings

Floral Basket Solitaire Diamond Engagement Ring featuring Man Made Diamonds (Profile View)

Floral Basket Solitaire featuring Diamonds (Profile View)

See why real couples chose Ada to tell their love story

They Said Yes! 

At Ada Diamonds, we’re different,&nbsp;we’re better, we’re worth it. Book your complimentary consultation now

The Most Trusted Experts in Lab Diamonds

Diamonds set in Pear Petite Pavé Setting (Profile View)

Pear Petite Pavé Diamond Engagement Ring featuring High Quality Lab Diamonds (Profile View)

Ready to Begin Your Concierge Experience?

Engagement Modal Form

14k Yellow Gold 1.75ct Oval Lab Diamond Solitaire Engagement Ring with Twisting Band Ada Diamonds Design AD-177 Macro

14k Yellow Gold Oval Cut Lab Created Diamond in Custom Twisting Band Setting Ada Diamonds Design AD-177 Profile

custom one carat round lab diamond solitaire engagement ring with twisting band platinum ada diamonds design ad 177 on model

platinum 1ct round lab diamond solitaire with rope style band ada diamonds design ad 177

Custom 2ct emerald cut lab diamond half bezel solitaire in two-tone platinum and yellow gold design 177

Custom Solitaire Diamond Engagement Ring featuring 2ct emerald cut Lab Diamond in two tone platinum and yellow gold (Main View)

14k yellow gold round lab grown diamond solitaire engagement ring with engraved band ada diamonds design ad 177

custom 14k yellow gold 2 carat round lab created diamond solitaire with custom engraved band ada diamonds design ad 177

Six Prong Custom Rose Gold Lab Created Diamond Solitaire Design AD-177

Custom Two Carat Lab Diamond Solitaire Engagement Ring Design AD-177

Custom Two Carat Oval Lab Diamond Solitaire Engagement Ring Ada Diamonds AD-177

2.5ct Asscher Cut Lab Diamond Custom Double Band Solitaire Engagement Ring Ada Diamonds AD-177

Two Carat Asscher Lab Diamond Split Shank Lab Diamond Engagement Ring in Platinum Ada Diamonds Design AD-177

Two Carat Asscher Lab Diamond Split Shank Lab Diamond Engagement Ring in Platinum Side View Ada Diamonds Design AD-177

Two Carat Asscher Lab Diamond Split Shank Lab Diamond Engagement Ring in Platinum Ada Diamonds On Model Design AD-177

1.5 Carat Oval East West Lab Diamond Solitaire Engagement Ring in 18k Yellow Gold In Box Ada Diamonds Design Number AD-177

1.5 Carat Oval East West Lab Diamond Solitaire Engagement Ring in 18k Yellow Gold On Model Ada Diamonds Design Number AD-177

Platinum 1.5ct Round Lab Diamond in Custom Six Prong Setting Ada Diamonds Design AD-067 Profile

14k Yellow Gold 2.5 Carat Oval Lab Grown Diamond Solitaire with Engraved Band Ada Diamonds Design AD-177 Macro

14k Yellow Gold 2.5ct Oval Lab Created Diamond Solitaire with Engraved Band Ada Diamonds Design AD-177 on Model

Yellow Gold 2 ct Oval Lab Diamond Engagement Ring with Custom Floral Basket in 18k Yellow Gold Ada Diamonds Design AD-177 Macro

Platinum 1.25 Carat Kite Princess Cut Lab Diamond Solitaire Engagement Ring Ada Diamonds Design Ad-177

Custom Platinum Princess Cut Lab Diamond Solitaire Kite Engagement Ring Ada Diamonds Design AD-177 on Model

Platinum 2 ct Cushion Cut Kite Solitaire Lab Diamond Engagement Ring Ada Diamonds Design AD-177 In Box

Platinum 2 Carat Kite Solitaire with Cushion Cut Lab Diamond Ada Diamonds Design AD-177 on Model

14k rose gold custom six prong trellis solitaire engagement with 2ct round lab diamond ada diamonds design ad-177

platinum 1.25ct round lab diamond solitaire engagement ring with custom celtic knot band ada diamonds design ad 177

platinum 1.5 carat round lab created diamond solitaire engagement ring with engraved band and hidden halo ada diamonds design ad 177

platinum and yellow gold 2.75 ct radiant cut lab diamond engagement ring with milgrain bezel basket ada diamonds design ad 177

two tone platinum and yellow gold 2.75 ct radiant cut lab diamond custom solitaire with milgrain bezel basket ada diamonds design ad 177 on hand

14k yellow gold 1.5 ct oval man made diamond custom solitaire engagement ring ada diamonds design ad 177 profile

yellow gold 1.5ct oval lab created diamond solitaire with hidden halo and side cut outs ada diamonds design ad 177 on model

18k yellow gold 2 ct round eight prong lab diamond solitaire engagement ring ada diamonds design ad 177 macro

18k yellow gold two carat round lab diamond eight prong solitaire engagement ring ada diamonds design ad 177 profile

platinum 2.75ct custom oval solitaire engagement ring with floral accents featuring lab diamonds ada diamonds design ad 177

platinum 2.75ct custom oval cathedral solitaire engagement ring floral inspired with lab diamonds ada diamonds design ad 177  on model

14k yellow gold custom wedding set with east west pear solitaire engagement ring and custom pear wedding band ada diamonds design ad 177 and ad 182

custom 2.75ct pear east west solitaire engagement ring and pear contoured wedding band in 14k yellow gold ada diamonds design ad 177 and ad 182

2.25ct Round Lab Diamond Solitaire Engagement Ring with Engraved Band in Yellow Gold | Ada Diamonds

One Carat Oval Lab Diamond Custom Solitaire Engagement Ring | Ada Diamonds

1ct Custom Tapered Two Tone Solitaire Engagement Ring In 14k Rose Gold | Ada Diamonds

Custom Two Carat Lab Diamond Solitaire Engagement Ring | Ada Diamonds

2 Carat Oval Lab Diamond Solitaire With Custom Grooved Band | Ada Diamonds

2.5 Carat Asscher Cut Lab Diamond Custom Double Band Solitaire Engagement Ring | Ada Diamonds

1.25 ct Custom East West Set Radiant Cut Lab Diamond Solitaire Engagement Ring | Ada Diamonds

2 ct Custom Asscher Milgrain Split Shank Band Lab Diamond Engagement Ring | Ada Diamonds

2 Carat Custom Asscher Lab Diamond Split Shank Engagement Ring Profile View | Ada Diamonds

2 ct Custom Eight Prong Lab Diamond Solitaire Engagement Ring in 18kt Yellow Gold | Ada Diamonds

1.5ct Oval East-West Semi Bezel Lab Diamond Solitaire Engagement Ring in 18k Gold | Ada Diamonds

1.25 Carat Round Lab Diamond Solitaire Engagement Ring in Platinum with Custom Band  | Ada Diamonds

1.5 Carat Custom Triple Prong Lab Diamond Solitaire Engagement Ring in Platinum | Ada Diamonds

2ct Custom Oval Lab Diamond Solitaire in 18k Yellow Gold with Hidden Halo |  Ada Diamonds

2 ct Radiant Cut Custom Lab Diamond Solitaire Engagement Ring in 14k Yellow Gold | Ada Diamonds

2.5 Carat Round Brilliant Custom Cathedral Lab Diamond Solitaire in 14k Yellow Gold | Ada Diamonds

2 ct Pear Lab Diamond Custom Five Prong Solitaire Engagement Ring in 18k Yellow Gold | Ada Diamonds

Custom 2.5 Carat Six Prong Lab Diamond Solitaire with Diamond Basket in Platinum | Ada Diamonds

1.75 Carat Oval Lab Diamond Solitaire in Custom 14k Yellow Gold Twist Setting | Ada Diamonds

1.25ct Round Custom Six Prong Lab Diamond Solitaire Engagement Ring in Platinum | Ada Diamonds

2.5 Carat Custom Oval Lab Diamond Solitaire with Engraved Band in 14k Yellow Gold | Ada Diamonds

1.25ct Round Lab Diamond Six Prong Solitaire with Custom Floral Basket in Platinum | Ada Diamonds

2.5 ct Round Custom Floating Cathedral Solitaire Lab Diamond Wedding Set in Platinum | Ada Diamonds

1.25 ct Princess Cut Lab Diamond Kite Solitaire in Platinum | Ada Diamonds

2 Carat Cushion Cut Lab Diamond Kite Solitaire Engagement Ring in Platinum | Ada Diamonds

2ct Round Lab Diamond Six Prong Trellis Solitaire Engagement Ring in 14k Rose Gold | Ada Diamonds

1.25ct Round Lab Diamond Solitaire Engagement Ring with Celtic Knot Band in Platinum | Ada Diamonds

2.75ct Radiant Cut Lab Diamond Solitaire Engagement Ring in Platinum and Yellow Gold  | Ada Diamonds

1.5ct Oval Lab Diamond Solitaire Engagement Ring with Side Cut Outs in Yellow Gold | Ada Diamonds

2.75 ct Custom Oval Lab Diamond Engagement Ring with Floral Accents in Platinum | Ada Diamonds

custom 2 ct emerald cut half bezel solitaire engagement ring in two-tone white and yellow gold

Custom. 2.2ctw East-West Half Bezel Solitaire Engagement Ring in Two-Tone Platinum & Yellow Gold

Starting at pricing for a custom solitaire (setting only; center stone priced separately):  Your Choice of Gold: $1,350 USD Platinum: $1,600 USD  Subject to availability and feasiblity. You will receive a custom quote for your desired custom design.

Bring your custom solitiare engagement ring to life with band widths of 1.8-2.5mm. 

Custom Solitaire

Let us bring your custom lab grown diamond solitaire engagement ring to life! Available options: platinum, 14k or 18k gold: white, yellow, rose. All of Ada's bridal pieces are fully bespoke and made-to-order. Our friendly Concierge are here to help you build a unique, stunning engagement ring with conflict-free lab diamonds hand-selected for quality, fire, and brilliance.