White Default Shadow

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.

Asscher and Emerald Setting - Ada Diamonds

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 Three Stone Setting

Man Made Diamonds set in White Gold Asscher and Emerald Setting (Main View)

Diamonds set in White Gold Asscher and Emerald Diamond Engagement Ring (Profile View)

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

Yellow Gold Asscher and Emerald Diamond Engagement Ring featuring Hand Selected Synthetic Diamonds (Main View)

Yellow Gold Asscher and Emerald Setting featuring Diamonds (Main View)

Rose Gold Asscher and Emerald Diamond Engagement Ring featuring Lab Diamonds (Main View)

Lab Diamonds set in Rose Gold Asscher and Emerald Diamond Engagement Ring (Main View)

Hand Selected Man Made Diamonds Asscher and Emerald Diamond Engagement Ring in Platinum & Yellow Gold (Main View)

Platinum & Yellow Gold Asscher and Emerald Diamond Engagement Ring featuring Lab Created Diamonds (Profile View)

Platinum & Yellow Gold Asscher and Emerald Setting featuring Lab Diamonds (Profile View)

Created Diamonds set in Platinum & Rose Gold Asscher and Emerald Diamond Engagement Ring (Main View)

Platinum & Rose Gold Asscher and Emerald Diamond Engagement Ring featuring Lab Diamonds (Profile View)

Platinum & Rose Gold Asscher and Emerald Diamond Engagement Ring featuring Man Made Diamonds (Main View)

High Quality Diamonds set in Platinum & Rose Gold Asscher and Emerald Diamond Engagement Ring (Profile View)

custom lab grown diamond asscher and emerald ring

Platinum Asscher and Emerald Cut Lab Created Diamond Ring Ada Diamonds Design AD-293 Floral Background

Platinum Asscher and Emerald Diamond Engagement Ring featuring 1.5 Carat Lab Diamonds (Main View)

Platinum Asscher and Emerald Diamond Engagement Ring featuring 1.5 Carat Lab Created Diamonds (Side View)

Platinum Asscher and Emerald Setting featuring 1.5 ct Diamonds ()

1.9ctw Asscher and Emerald Three Stone Engagement Ring in Platinum

1.5 Carat Lab Grown Diamonds Asscher and Emerald Diamond Engagement Ring in Platinum (Profile View)

1.9ctw Asscher and Emerald Three Stone Engagement Ring in Platinum Profile View

Your Choice of Gold: 0.20ct Each Side Stones (~0.40ctw): $2,650 USD0.30ct Each Side Stones (~0.60ctw): $2,900 USD0.40ct Each Side Stones (~0.80ctw): $3,450 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 romantic and elegant three stone engagement ring style, this setting features a matched pair of emerald cut lab grown diamond side stones. Available in trellis or basket style.

Asscher and Emerald Setting

Three Stone Trellis

Custom made-to-order 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.