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>!

Need Help?

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

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.

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_!

emerald-eternity-band-with-lab-grown-diamonds.jpg

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

White Gold Pear Three Stone Diamond Engagement Ring featuring Diamonds (Main View)

Man Made Diamonds Pear Three Stone Diamond Engagement Ring in White Gold (Profile View)

White Gold Pear Three Stone Diamond Engagement Ring featuring Diamonds (Side View)

Exceptional Quality Diamonds set in Yellow Gold Pear Three Stone Setting (Main View)

High Quality Lab Diamonds set in Yellow Gold Pear Three Stone Setting (Main View)

High Quality Lab Diamonds Pear Three Stone Diamond Engagement Ring in Rose Gold (Main View)

Diamonds set in Rose Gold Pear Three Stone Diamond Engagement Ring (Main View)

Lab Diamonds Pear Three Stone Setting in Platinum & Yellow Gold (Main View)

Lab Diamonds set in Platinum & Yellow Gold Pear Three Stone Diamond Engagement Ring (Profile View)

Platinum & Yellow Gold Pear Three Stone Setting featuring Hand Selected 2.0 ctw Lab Diamonds (Main View)

Platinum & Yellow Gold Pear Three Stone Diamond Engagement Ring featuring Diamonds (Profile View)

Diamonds set in Platinum & Rose Gold Pear Three Stone Setting (Main View)

Platinum & Rose Gold Pear Three Stone Setting featuring Exceptional Quality Lab Diamonds (Profile View)

Lab Diamonds set in Platinum & Rose Gold Pear Three Stone Diamond Engagement Ring (Main View)

Lab Grown Diamonds Pear Three Stone Diamond Engagement Ring in Platinum & Rose Gold (Profile View)

platinum 4 carat pear three stone lab diamond engagement ring ada diamonds design ad 218 macro

3ct lab grown pear shape diamond with pear side stones in 14k yellow gold ring

18k rose gold lab grown pear three stone diamond ring

3 carat pear lab created diamond engagement ring in rose gold ada diamonds design ad 218

14k rose gold 3 carat pear three stone lab created diamond engagement ring ada diamonds design ad 218 profile

lab grown diamond pear three stone engagement ring

18k yellow gold three stone ring featuring pear shape lab grown diamonds

14k yellow gold 2.5 carat pear three stone lab created diamond engagement ring ada diamonds design ad 218 macro

14k yellow gold three stone pear engagement ring with lab diamonds ada diamonds design ad 218 profile view

custom pear three stone setting with lab created diamonds

14k yellow gold pear three stone ring with lab diamonds

2 ct pear lab diamond ring with pear side stones

platinum pear three stone engagement ring featuring lab created diamonds

Two tone Yellow gold and platinum Pear Three Stone Diamond Engagement Ring featuring 3.5 Carat Man Made Diamonds (Main View)

3.5 ct Synthetic Diamonds set in Pear Three Stone Diamond Engagement Ring (Side View)

Yellow Gold Pear Three Stone Setting featuring Hand Selected 2.0 Carat Diamonds (Profile View)

1.0 ct Diamonds set in Yellow Gold Pear Three Stone Diamond Engagement Ring (Profile View)

rose gold three stone lab grown pear shape diamond ring with matching wedding band

Hand Selected 1.0 Carat Diamonds Pear Three Stone Setting in Yellow Gold (Main View)

Exceptional Quality 1.0 Carat Diamonds Pear Three Stone Diamond Engagement Ring in Yellow Gold (Main View)

High Quality 2.0 Carat Man Made Diamonds Pear Three Stone Setting in Rose Gold (Main View)

18k yellow gold 2 carat pear three stone lab diamond engagement ring ada diamonds design ad 218 on model

2 carat lab grown pear shape diamond ring with pear side stones

2.5ct lab made pear shape diamond with custom pave nesting band

14k white gold engagement ring featuring lab grown pear diamond diamonds and 3ct pear center stone

3 ct laboratory gown pear shape diamond ring with pear side stones in a platinum

3.0 Carat Lab Diamonds Pear Three Stone Diamond Engagement Ring in Platinum & Yellow Gold (Main View)

Platinum 3.25ct pear three stone lab diamond engagement ring ada diamonds design ad 218 on model

on model profile view of 2.5ct pear three stone lab diamond engagement ring ada diamonds design ad 218 on model

High Quality 3.25 ctw Lab Grown Diamonds set in Platinum Pear Three Stone Diamond Engagement Ring (Main View)

4ctw Pear Three Stone Engagement Ring in Platinum

3.25 Carat Lab Created Diamonds Pear Three Stone Setting in Platinum (Profile View)

4ctw Pear Three Stone Engagement Ring in Platinum Profile View

Yellow Gold Pear Three Stone Setting featuring 2.0 ctw Lab Diamonds (Main View)

2.75ct Pear Three Stone Engagement Ring in 14k Yellow Gold

Hand Selected 2.75 ct Diamonds Pear Three Stone Setting in Rose Gold (Main View)

3.25ctw Pear Three Stone Engagement Ring in 14k Rose 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 classic or basket style.

Pear Three Stone Setting

Three Stone Pear (AD-218 only)

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 New York and Austin TX.