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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.

High Quality 2.5 ct Lab Diamonds set in Platinum Emerald Classic Four Prong Pavé Setting (Main View)

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

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Asscher Classic Four Prong Pavé Setting

Cushion Classic Four Prong Pavé Setting

Round Classic Four Prong Pavé Setting

Oval Classic Four Prong Pavé Setting

Princess Classic Four Prong Pavé Setting

Radiant Classic Four Prong Pavé Setting

Emerald Classic Four Prong Solitaire

Diamonds Emerald Classic Four Prong Pavé Setting in White Gold (Main View)

White Gold Emerald Classic Four Prong Pavé Diamond Engagement Ring featuring Diamonds (Profile View)

Created Diamonds set in White Gold Emerald Classic Four Prong Pavé Setting (Side View)

Exceptional Quality Lab Diamonds Emerald Classic Four Prong Pavé Diamond Engagement Ring in Yellow Gold (Main View)

Synthetic Diamonds set in Yellow Gold Emerald Classic Four Prong Pavé Diamond Engagement Ring (Main View)

Rose Gold Emerald Classic Four Prong Pavé Diamond Engagement Ring featuring Hand Selected Lab Diamonds (Main View)

Diamonds set in Rose Gold Emerald Classic Four Prong Pavé Setting (Main View)

Platinum & Yellow Gold Emerald Classic Four Prong Pavé Diamond Engagement Ring featuring High Quality Diamonds (Main View)

Platinum & Yellow Gold Emerald Classic Four Prong Pavé Diamond Engagement Ring featuring Lab Diamonds (Profile View)

Lab Diamonds set in Platinum & Yellow Gold Emerald Classic Four Prong Pavé Diamond Engagement Ring (Profile View)

Lab Grown Diamonds set in Platinum & Rose Gold Emerald Classic Four Prong Pavé Setting (Main View)

Lab Diamonds set in Platinum & Rose Gold Emerald Classic Four Prong Pavé Setting (Profile View)

Platinum & Rose Gold Emerald Classic Four Prong Pavé Setting featuring Diamonds (Main View)

Diamonds set in Platinum & Rose Gold Emerald Classic Four Prong Pavé Setting (Profile View)

Platinum 2 Carat Emerald Cut Lab Created Diamond Classic Pavé Engagement Ring Ada Diamonds Design AD-351 Artistic

Platinum 2 Carat Emerald Cut Lab Created Diamond Classic Pavé Engagement Ring Ada Diamonds Design AD-351 Profile

White Gold 2ct Emerald Cut Lab Diamond Classic Pavé Engagement Ring Ada Diamonds Design AD-351 Macro

14k White Gold 1.5 Carat Emerald Cut Classic Pavé Engagement Ring Ada Diamonds Design AD-351 Profile View

Platinum Emerald Cut Engagement Ring with Pavé Band featuring Lab Diamonds Ada Diamonds Design Ad-351 Macro

2.0 Carat Lab Diamonds set in Platinum & 14k Rose Gold Emerald Classic Four Prong Pavé Setting (Profile View)

14k White Gold 1.5 Carat Emerald Cut Classic Pavé Engagement Ring Ada Diamonds Design AD-351 on Model

2.0 ctw Lab Diamonds set in Emerald Classic Four Prong Pavé Diamond Engagement Ring

3 Carat Emerald Cut Engagement Ring with Diamond Band made with Lab Diamonds Ada Diamonds Design AD-351 on Model

band width comparison of round lab diamond pavé engagement rings white gold ada diamonds on model

High Quality 2.75 Carat Lab Diamonds Emerald Classic Four Prong Pavé Diamond Engagement Ring in Platinum (Main View)

3ctw Emerald Classic Four Prong Pavé Engagement Ring in Platinum

2.75 ctw Diamonds Emerald Classic Four Prong Pavé Setting in Platinum (Profile View)

3ctw Emerald Classic Four Prong Pavé Engagement Ring in Platinum Profile View

Your Choice of Gold:  1.6mm Side Stones (0.40ctw): $2,450 USD 1.8mm Side Stones (0.50ctw): $2,550 USD 2.0mm Side Stones (0.60ctw): $2,650 USD 2.2mm Side Stones (0.70ctw): $2,750 USD 2.4mm Side Stones (1.0ctw): $3,150 USD Starting at price is for the setting only (center stone priced separately) and includes DEF/VS lab grown diamonds set in 3/4 coverage. Platinum &amp; two-tone available for an additional $300 fee. Total carat weights are approximate.

Classic yet striking, this setting features four prongs for maximum security. Customize your lab diamond engagement ring with diamond sizes of 1.6-2.5mm in 3/4, half, or eternity coverage.

Pavé Standard

Emerald Classic Four Prong Pavé Setting

Classic Pavé

Custom made-to-order emerald pave 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.