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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

Emerald East-West Solitaire

White Gold Oval East-West Solitaire featuring Lab Diamonds (Main View)

Synthetic Diamonds set in White Gold Oval East-West Solitaire Diamond Engagement Ring (Profile View)

Hand Selected Diamonds Oval East-West Solitaire in White Gold (Side View)

Yellow Gold Oval East-West Solitaire Diamond Engagement Ring featuring Diamonds (Main View)

Diamonds set in Yellow Gold Oval East-West Solitaire (Main View)

Exceptional Quality Diamonds set in Rose Gold Oval East-West Solitaire (Main View)

Platinum & Yellow Gold Oval East-West Solitaire Diamond Engagement Ring featuring Exceptional Quality Lab Diamonds (Main View)

Diamonds set in Platinum & Yellow Gold Oval East-West Solitaire Diamond Engagement Ring (Profile View)

Lab Grown Diamonds set in Platinum & Yellow Gold Oval East-West Solitaire Diamond Engagement Ring (Profile View)

Man Made Diamonds Oval East-West Solitaire in Platinum & Rose Gold (Main View)

Created Diamonds Oval East-West Solitaire in Platinum & Rose Gold (Profile View)

Platinum & Rose Gold Oval East-West Solitaire featuring Hand Selected Lab Diamonds (Main View)

Lab Diamonds Oval East-West Solitaire Diamond Engagement Ring in Platinum & Rose Gold (Profile View)

Exceptional Quality 3.0 Carat Lab Diamonds Oval East-West Solitaire Diamond Engagement Ring in Platinum & Yellow Gold (Main View)

two-tone yellow gold and platinum 3 ct oval lab diamond east west solitaire engagement ring design 371

Exceptional Quality 3.0 Carat Diamonds Oval East-West Solitaire Diamond Engagement Ring in Platinum & Yellow Gold (Profile View)

Platinum 1.5 Carat Oval East West Lab Created Diamond Solitaire Engagement Ring Ada Diamonds Design AD-371 Macro

Platinum 1.5 Carat East-West Oval Lab Diamond Solitaire Engagement Ring Ada Diamonds Design AD-371 Second View

Platinum 1.5ct East-West Oval Lab Diamond Solitaire Engagement Ring Ada Diamonds Design AD-371 Profile

14kt Yellow Gold Oval East-West Solitaire Diamond Engagement Ring featuring 1.5 Carat Man Made Diamonds (Main View)

Yellow Gold Oval East-West Solitaire featuring 1.5 ct Diamonds (Main View)

14k Yellow Gold Oval East-West Solitaire Diamond Engagement Ring featuring 1.5 ctw Lab Diamonds

2.0 Carat Lab Created Diamonds Oval East-West Solitaire Diamond Engagement Ring in 18k Yellow Gold (Main View)

2.5 ctw Lab Diamonds set in 14kt Yellow Gold Oval East-West Solitaire (Main View)

1.5 ct Lab Created Diamonds Oval East-West Solitaire Diamond Engagement Ring in 14k Yellow Gold (Main View)

2.0 Carat Lab Diamonds Oval East-West Solitaire Diamond Engagement Ring in 18kt Yellow Gold (Main View)

2.5 Carat Created Diamonds set in Yellow Gold Oval East-West Solitaire (Main View)

yellow gold and platinum 3 ct oval lab diamond east west solitaire engagement ring ada diamonds design ad 371 on model

1.5 Carat Lab Diamonds set in 14k Yellow Gold Oval East-West Solitaire Diamond Engagement Ring (Profile View)

1.5 Carat Diamonds Oval East-West Solitaire in Platinum (Main View)

1.5ct Asscher Cathedral Solitaire Engagement Ring in Platinum

Platinum Oval East-West Solitaire Diamond Engagement Ring featuring 1.5 ct Man Made Diamonds (Profile View)

1.5ct Oval East-West Solitaire Engagement Ring in Platinum Profile View

1.5 ctw Diamonds set in 14k Yellow Gold Oval East-West Solitaire (Main View)

1.5ct Oval East-West Solitaire Engagement Ring in 14k Yellow Gold

Your Choice of Gold: $1,350 USD Platinum &amp; Two-Tone: $1,600 USD Pricing is for setting only - center stone priced separately. Add a hidden halo for $500 USD.

Unique and special, this setting may be designed as a petite four prong or cathedral style. Customize your lab diamond solitaire engagement ring with band widths of 1.8-2.5mm. 

Oval East-West Solitaire

East-West Solitaires

Custom made-to-order solitaire engagement 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.