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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_!

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

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

High Quality 2.0 ct Man Made Diamonds Toi et Moi Lab Diamond Engagement Ring in 18k White Gold (Main View)

Diamonds Toi et Moi Ring in White Gold (Profile View)

Man Made Diamonds set in White Gold Toi et Moi Ring (Side View)

Created Diamonds set in Yellow Gold Toi et Moi Ring (Main View)

Lab Diamonds Toi et Moi Ring in Yellow Gold (Main View)

Diamonds set in Rose Gold Toi et Moi Lab Diamond Engagement Ring (Main View)

Lab Diamonds set in Rose Gold Toi et Moi Ring (Main View)

Platinum & Yellow Gold Toi et Moi Ring featuring Lab Diamonds (Main View)

Platinum & Yellow Gold Toi et Moi Ring featuring High Quality Lab Diamonds (Profile View)

Man Made Diamonds set in Platinum & Yellow Gold Toi et Moi Ring (Profile View)

Diamonds set in Platinum & Rose Gold Toi et Moi Ring (Main View)

Man Made Diamonds set in Platinum & Rose Gold Toi et Moi Ring (Profile View)

Lab Diamonds Toi et Moi Ring in Platinum & Rose Gold (Main View)

Lab Created Diamonds Toi et Moi Lab Diamond Engagement Ring in Platinum & Rose Gold (Profile View)

White Gold 3.5 Carat Princess and Pear Custom Solitaire Engagement Ring Ada Diamonds Design AD-363 White Background

White Gold Toi et Moi Lab Diamond Engagement Ring featuring Exceptional Quality 1.5 ctw Synthetic Diamonds (Main View)

White Gold 3.5 Carat Princess and Pear Custom Solitaire Engagement Ring Ada Diamonds Design AD-363 Artistic

White Gold Toi et Moi Lab Diamond Engagement Ring featuring Exceptional Quality 1.5 Carat Lab Grown Diamonds (Main View)

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2.0 Carat Diamonds Toi et Moi Ring in Yellow Gold (Main View)

Exceptional Quality Diamonds set in Yellow Gold Toi et Moi Lab Diamond Engagement Ring

Yellow Gold Toi et Moi Ring featuring High Quality 3.0 Carat Diamonds (Main View)

princess and pear lab diamond two stone engagement ring

1.25 Carat Lab Diamonds Toi et Moi Ring in Yellow Gold (Main View)

profile view of pear and princess two stone engagement ring

Yellow Gold Toi et Moi Lab Diamond Engagement Ring featuring 1.25 Carat Lab Diamonds (Profile View)

cushion and pear lab diamond engagement ring white gold

1.5 Carat Lab Grown Diamonds Toi et Moi Ring in White Gold (Main View)

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2.0 ctw Diamonds Toi et Moi Ring in White Gold (Profile View)

Yellow Gold Toi et Moi Lab Diamond Engagement Ring featuring Exceptional Quality 2.0 Carat Synthetic Diamonds (Main View)

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Exceptional Quality 1.5 ctw Diamonds Toi et Moi Ring in Yellow Gold (Main View)

lab created pear and emerald cut two stone ring

2.0 ct Diamonds Toi et Moi Ring in Yellow Gold (Main View)

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14k Yellow Gold 2ct Toi et Moi Custom Lab Created Diamond Engagement Ring Ada Diamonds Design AD-336 Macro

14k Yellow Gold Two Stone You and Me Lab Diamond Ring Ada Diamonds Design AD-363 Profile

platinum 2 stone cushion and pear toi et moi engagement ring with man made diamonds ada diamonds design ad 363 macro

High Quality 4.0 Carat Diamonds Toi et Moi Lab Diamond Engagement Ring in Platinum (Main View)

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4.25 ct Lab Diamonds Toi et Moi Ring in Platinum (Main View)

platinum toi et moi lab diamond engagement ring with 2.5ct emerald cut and 1.75ct pear ada diamonds design ad 363 profile

Platinum Toi et Moi Lab Diamond Engagement Ring featuring 4.25 ctw Diamonds (Profile View)

toi et moi pear and round 5ct lab diamond engagement ring in platinum and 18k yellow gold

Hand Selected 4.75 ctw Lab Created Diamonds Toi et Moi Ring in Platinum & Yellow Gold (Main View)

two tone platinum and yellow gold 5 carat pear and round toi et moi lab diamond engagement ring

4.75 Carat Lab Diamonds Toi et Moi Lab Diamond Engagement Ring in Platinum & Yellow Gold (Profile View)

High Quality 1.75 Carat Diamonds set in Yellow Gold Toi et Moi Ring (Main View)

1.25 Carat Lab Diamonds set in Yellow Gold Toi et Moi Ring (Main View)

1.75 Carat Lab Created Diamonds Toi et Moi Ring in Yellow Gold (Main View)

Yellow Gold Toi et Moi Ring featuring Exceptional Quality 1.25 ctw Lab Diamonds (Profile View)

1.75 ct Lab Diamonds Toi et Moi Lab Diamond Engagement Ring in (Main View)

Exceptional Quality 1.25 ctw Lab Diamonds set in Yellow Gold Toi et Moi Lab Diamond Engagement Ring (Main View)

princess and pear two stone lab diamond engagement ring

White Gold Toi et Moi Ring featuring 1.5 Carat Lab Diamonds (Main View)

pear and emerald two stone man made diamond engagement ring in 18k yellow gold on model

Yellow Gold Toi et Moi Lab Diamond Engagement Ring featuring 2.0 ctw Diamonds (Main View)

cushion and pear engagement ring white gold on model with lab diamonds

White Gold Toi et Moi Lab Diamond Engagement Ring featuring Hand Selected 2.0 ct Lab Diamonds (Main View)

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4.25 Carat Diamonds Toi et Moi Lab Diamond Engagement Ring in Platinum (Main View)

two stone emerald and and pear engagement ring

1.75 Carat Lab Grown Diamonds Toi et Moi Ring in Yellow Gold (Main View)

2.25ct pear and princess lab diamond engagement ring ada diamonds

1.25 ct Lab Diamonds Toi et Moi Lab Diamond Engagement Ring in Yellow Gold (Main View)

toi et moi engagement ring with round lab diamonds in yellow gold

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1.5 ctw Lab Created Diamonds Toi et Moi Ring in Yellow Gold (Main View)

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4.0 ct Lab Diamonds Toi et Moi Ring in Platinum (Main View)

5ct pear and round lab diamond toi et moi engagement ring in 18k yellow gold and platinum on model

Platinum & Yellow Gold Toi et Moi Lab Diamond Engagement Ring featuring 4.75 Carat Lab Created Diamonds (Main View)

2.0 ctw Lab Diamonds Toi et Moi Ring in Yellow Gold (Main View)

4ctw Round Toi et Moi Engagement Ring in 14k Yellow Gold

2.0 Carat Diamonds Toi et Moi Lab Diamond Engagement Ring in Platinum (Main View)

Toi et Moi Engagement Ring with 2ct Cushion and 2ct Pear in Platinum

2.0 ct Lab Diamonds Toi et Moi Ring in Platinum (Main View)

Profile View of Toi et Moi Engagement Ring with 2ct Pear and 2ct Cushion in Platinum

Your Choice of Gold: $1,750 USD Platinum &amp; Two-Tone: $2,000 USD Pricing is for setting only - center stones priced separately. Add a hidden halo for $750 USD.

&quot;You and me&quot; is how it&#39;s meant to be! Customize your solitaire engagement ring with band widths from 1.8-2.5mm.

Toi et Moi Ring

Toi Moi Solitaire

Our Toi et Moi two-stone solitaire engagement ring featuring a princess cut and pear shaped lab diamond. Available options: platinum, 14k or 18k gold: white, yellow, rose. All of Ada's bridal pieces are fully custom and made to order. Discover why conflict-free diamonds cultured in a lab are the future of fine jewelry.