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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.

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

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.

Read Our <a href="/synthetic-diamond-facts-and-misconceptions/frequently-asked-questions-about-lab-grown-diamonds">Frequently Asked Questions</a>See Our <a href="/buy-lab-diamonds">Diamond Pricing</a>

New to Lab Diamonds?

Overlay Centered

A Purchase This Important Deserves&nbsp;an <a href="/ada-vs-competition">Impeccable Buying Experience</a>

Why Choose Ada Diamonds?

Shop <a href="/wedding-bands">Wedding Bands</a> Shop <a href="/mens-wedding-bands">Men’s Bands</a>

From Will You? to _I Do_!

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Ada was founded by a husband-wife team. <a href="/about-ada-diamonds">Our Genesis</a> &amp; <a href="/ethical-supply-chains">Our Values</a>

Grown From Love

Founders of Ada Diamonds Sitting on a Beach at Sunset

Ready to Begin Your Concierge Experience?

Engagement Modal Form

Ada Diamonds specializes in large, sensational diamonds of superlative quality. Our diamonds are cut from the highest purity diamond crystals, have optimal cut and sparkle, and are always eye clean. Much like mined diamonds, lab diamonds are priced based on their quality characteristics. Use the tool below to understand our pricing:

Ada Diamonds is the Leading Luxury Purveyor of Lab Diamonds

Asscher and Pear Setting

Cushion and Pear Setting

Oval and Pear Setting

Princess and Pear Setting

Radiant and Pear Setting

Round and Pear Setting

High Quality Diamonds Emerald and Pear Diamond Engagement Ring in White Gold (Main View)

Lab Created Diamonds Emerald and Pear Setting in White Gold (Profile View)

White Gold Emerald and Pear Setting featuring Diamonds (Side View)

Yellow Gold Emerald and Pear Diamond Engagement Ring featuring Hand Selected Lab Created Diamonds (Main View)

Lab Diamonds set in Yellow Gold Emerald and Pear Diamond Engagement Ring (Main View)

Diamonds Emerald and Pear Setting in Rose Gold (Main View)

Lab Diamonds Emerald and Pear Setting in Rose Gold (Main View)

platinum 3.5ct emerald cut man made diamond engagement ring with pear side stones ada diamonds design ad 467

Yellow Gold Two Carat Emerald Cut Lab Diamond Engagement Ring with Pear Side Stones Ada Diamonds Design AD-467 in Black Box

Yellow Gold 2ct Emerald Cut and Pear Three Stone Manmade Diamond Ring Ada Diamonds Design AD-467 Artistic Image

14k yellow gold 2 carat emerald cut lab diamond ring with pear side stones ada diamonds ad467 macro

18k Yellow Gold Two Carat Emerald Cut Lab Diamond Ring with Pear Side Stones Ada Diamonds Design AD-467 Side View

Yellow Gold Emerald and Pear Setting featuring 2.0 ctw Diamonds (Profile View)

3.0 Carat Lab Grown Diamonds set in Platinum Emerald and Pear Setting (Profile View)

yellow gold 2 carat emerald cut and pear three stone lab diamond ring on model ada diamonds design ad467

2.0 ct Lab Diamonds Emerald and Pear Diamond Engagement Ring in Yellow Gold (Main View)

platinum 3.5 carat emerald and pear lab created diamond engagement ring ada diamonds design ad 467 on model

Platinum Emerald and Pear Diamond Engagement Ring featuring Hand Selected 3.0 Carat Diamonds (Main View)

3.5ctw Emerald and Pear Three Stone Engagement Ring in Platinum

Platinum Emerald and Pear Setting featuring 3.0 ct Lab Diamonds (Profile View)

3.5ctw Emerald and Pear Engagement Ring in Platinum

Exceptional Quality 1.5 ctw Lab Diamonds Emerald and Pear Diamond Engagement Ring in Yellow Gold (Main View)

2ctw Emearald and Pear Engagement Ring in 14k Yellow Gold

Your Choice of Gold: 0.10ct Each Side Stones (0.20ctw): $2,450 USD0.15ct Each Side Stones (0.30ctw): $2,550 USD0.20ct Each Side Stones (0.40ctw): $2,650 USD0.30ct Each Side Stones (0.60ctw): $3,000 USD0.50ct Each Side Stones (1.0ctw): $3,750 USD Starting at price is for the setting and side stones only (center stone priced separately) and includes DEF/VS lab grown diamond side stones. Side stones at or below 0.50ct will be uncertified and hand-selected to match your center stone. Side stones above 0.50ct are available upon request and are individually certified. Platinum and two-tone available for an additional $300 fee. This style must be modified to accommodate a mixed-metal setting.

A modern setting, featuring a pair of pear cut lab grown diamond side stones. Available in trellis, classic, or basket style.

Emerald and Pear Setting

Three Stone Pear

Custom made-to-order round three stone ring featuring conflict-free lab diamonds hand-selected for quality, fire, and brilliance. Available options: platinum, 14k or 18k gold: white, yellow, rose. Ada Diamonds is the leading luxury purveyor and the best place to buy a lab diamond. Virtual consultations available worldwide; private in-person appointments available in San Francisco, New York, and Austin TX.