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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 2.0 Carat Lab Grown Diamonds set in Platinum Radiant Classic Four Prong Pavé Diamond Engagement Ring (Profile 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

Emerald 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 Solitaire

White Gold Radiant Classic Four Prong Pavé Diamond Engagement Ring featuring Exceptional Quality Diamonds (Main View)

Diamonds Radiant Classic Four Prong Pavé Diamond Engagement Ring in White Gold (Profile View)

Exceptional Quality Lab Diamonds set in White Gold Radiant Classic Four Prong Pavé Setting (Side View)

Exceptional Quality Diamonds set in Yellow Gold Radiant Classic Four Prong Pavé Setting (Main View)

Diamonds Radiant Classic Four Prong Pavé Setting in Yellow Gold (Main View)

Lab Grown Diamonds Radiant Classic Four Prong Pavé Setting in Rose Gold (Main View)

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

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

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

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

Platinum & Rose Gold Radiant Classic Four Prong Pavé Diamond Engagement Ring featuring High Quality Lab Diamonds (Main View)

Hand Selected Diamonds Radiant Classic Four Prong Pavé Setting in Platinum & Rose Gold (Profile View)

Platinum & Rose Gold Radiant Classic Four Prong Pavé Diamond Engagement Ring featuring Exceptional Quality Synthetic Diamonds (Main View)

Platinum & Rose Gold Radiant Classic Four Prong Pavé Diamond Engagement Ring featuring Exceptional Quality Man Made Diamonds (Profile View)

Platinum 3 Carat Radiant Classic Pavé Engagement Ring with Lab Diamonds Ada Diamonds Design AD-352 Profile

Platinum 3 Carat Radiant Classic Pavé Engagement Ring with Lab Diamonds Ada Diamonds Design AD-352 Macro

Platinum 3 Carat Radiant Classic Pavé Engagement Ring with Lab Diamonds Ada Diamonds Design AD-352 From Side View

Rose Gold 2.5 Carat Radiant Lab Diamond Pavé Engagement Ring Ada Diamonds Design AD-352 Artistic

Rose Gold 2.5 Carat Radiant Lab Diamond Pavé Engagement Ring Ada Diamonds Design AD-352 Profile

White Gold 2ct Radiant Classic Pavé Engagement Ring Ada Diamonds Design AD-352 Artistic

White Gold 2ct Radiant Classic Pavé Engagement Ring Ada Diamonds Design AD-352 Profile View

2ct radiant cut lab diamond in platinum pave setting

Rose Gold Radiant Classic Four Prong Pavé Setting featuring 2.25 ct Lab Diamonds (Main View)

2.25ct lab created radiant cut diamond in classic pave setting

2.75ct radiant cut in pave engagement ring

Platinum Three Carat  Radiant Cut Classic Pavé Lab Diamond Ring Ada Diamonds Design AD-352 on Model

compare different band sizes lab diamond engagement rings 1.6mm, 1.8mm, 2mm, 2.2mm ada diamonds

2.25 Carat Lab Diamonds Radiant Classic Four Prong Pavé Diamond Engagement Ring in Platinum (Main View)

2.75ctw Radiant Classic Four Prong Pavé Engagement Ring in Platinum

Platinum Radiant Classic Four Prong Pavé Diamond Engagement Ring featuring 2.25 ct Man Made Diamonds (Profile View)

2.75ctw Radiant Classic Four Prong Pavé Engagement Ring in Platinum Profile View

Rose Gold Radiant Classic Four Prong Pavé Diamond Engagement Ring featuring 2.25 ct Lab Diamonds (Main View)

2.5ctw Radiant Classic Four Prong Pavé Engagement Ring in 14k Rose Gold

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 and elegant, 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

Radiant Classic Four Prong Pavé Setting

Classic Pavé

Custom made-to-order radiant 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.