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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.

2.5 Carat Lab Diamonds set in Platinum Princess 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

Emerald Classic Four Prong Pavé Setting

Round Classic Four Prong Pavé Setting

Oval Classic Four Prong Pavé Setting

Radiant Classic Four Prong Pavé Setting

Princess Classic Four Prong Solitaire

Lab Created Diamonds Princess Classic Four Prong Pavé Setting in White Gold (Main View)

Exceptional Quality Man Made Diamonds Princess Classic Four Prong Pavé Setting in White Gold (Profile View)

Diamonds set in White Gold Princess Classic Four Prong Pavé Diamond Engagement Ring (Side View)

Yellow Gold Princess Classic Four Prong Pavé Setting featuring Lab Diamonds (Main View)

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

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

Rose Gold Princess Classic Four Prong Pavé Setting featuring Hand Selected Lab Diamonds (Main View)

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

Platinum & Yellow Gold Princess Classic Four Prong Pavé Setting featuring Exceptional Quality Diamonds (Profile View)

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

High Quality Diamonds Princess Classic Four Prong Pavé Setting in Platinum & Rose Gold (Main View)

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

Lab Diamonds Princess Classic Four Prong Pavé Diamond Engagement Ring in Platinum & Rose Gold (Main View)

Diamonds set in Platinum & Rose Gold Princess Classic Four Prong Pavé Diamond Engagement Ring (Profile View)

platinum 2.5ct princess cut pavé lab diamond engagement ring ada diamonds design ad 150

platinum 2.5 carat princess cut lab created diamond engagement ring with classic pavé band ada diamonds design ad 150 profile

Hand Selected 2.0 ctw Lab Grown Diamonds set in Platinum Princess Classic Four Prong Pavé Diamond Engagement Ring (Main View)

Platinum Princess Cut Diamond Band Engagement Ring in Platinum featuring Lab Diamonds Ada Diamonds Design AD150 Artistic Image

Platinum Princess Pave Setting Lab Diamond Engagement Ring Ada Diamonds Design AD150 Profile

1.25 Carat Diamonds set in Platinum Princess Classic Four Prong Pavé Setting (Main View)

platinum pave lab diamond ring with princess cut

platinum 2ct princess lab created diamond pavé engagement ring ada diamonds design ad150 macro

2.0 Carat Princess Cut Lab Created Diamond Engagement Ring AD150

Platinum 2.5ct Princess Cut Classic Four Prong Pavé Lab Diamond Ring Ada Diamonds Design AD-150 Macro

White Gold 2ct Princess Cut Lab Diamond Engagement Ring with Diamonds on the Band Ada Diamonds Design AD-150 Artistic

Two Carat Princess Cut Pavé Lab Diamond Engagement Ring Ada Diamonds AD-150

Platinum 2.5ct Princess Cut Lab Created Diamond Pavé Engagement Ring Ada Diamonds Design AD-150 Artistic

Platinum 3ct Princess Cut Classic Diamond Band Ring made with Lab Diamonds Ada Diamonds Design AD-150 in Box

Platinum 3 Carat Princess Cut Lab Created Diamond Engagement Ring Ada Diamonds Design AD-150 Profile in Box

14k White Gold 1.5ct Princess Lab Diamond Ring with Diamonds on the Band Ada Diamonds Design AD-150 Profile View

Platinum 2.5 Carat Princess Cut Lab Diamond Engagement Ring Ada Diamonds Design Ad-150 Profile View in Box

1.3ct princess lab diamond in pave setting

1.0 ct Lab Diamonds set in Platinum Princess Classic Four Prong Pavé Diamond Engagement Ring (Main View)

Exceptional Quality 1.25 Carat Lab Diamonds set in Platinum Princess Classic Four Prong Pavé Diamond Engagement Ring (Main View)

Platinum 1.5ct Princess Cut Lab Diamond Ring with Smaller Diamonds on the band Ada Diamonds Design AD-150 on Model

Platinum 1.75ct Princess Cut Lab Diamond Engagement Ring with Thin Diamond Band Ada Diamonds Design AD-150 on Hand

Exceptional Quality 2.0 ct Lab Diamonds set in White Gold Princess Classic Four Prong Pavé Setting (Main View)

Hand Selected 2.25 ct Created Diamonds set in Platinum Princess Classic Four Prong Pavé Setting (Main View)

platinum pavé engagement ring with 2.5ct princess cut man made diamond ada diamonds design ad150

platinum two carat princess cut classic pavé lab diamond engagement ring ada diamonds design ad 150

2ct Princess Pavé Engagement Ring in Platinum Ada Diamonds Design AD-150 made with Lab Diamonds in Black Box

platinum lab created diamond engagement ring with band widths shown in 1.6mm, 1.8mm, 2mm, 2.2mm on model ada diamonds

2.5 Carat Lab Created Diamonds Princess Classic Four Prong Pavé Diamond Engagement Ring in Platinum (Main View)

2.75ctw Princess Classic Four Prong Pavé Engagement Ring in Platinum

2.5 ct Lab Diamonds set in Platinum Princess Classic Four Prong Pavé Diamond Engagement Ring (Profile View)

2.75ctw Princess 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.

Timeless 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

Princess Classic Four Prong Pavé Setting

Classic Pavé

Custom made-to-order princess 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.