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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.

Radiant Cathedral Pavé 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

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Round Cathedral Pavé Setting

Asscher Cathedral Pavé Setting

Cushion Cathedral Pavé Setting

Emerald Cathedral Pavé Setting

Oval Cathedral Pavé Setting

Pear Cathedral Pavé Setting

Princess Cathedral Pavé Setting

Radiant Cathedral Solitaire

White Gold Radiant Cathedral Pavé Diamond Engagement Ring featuring Hand Selected Lab Created Diamonds (Main View)

Synthetic Diamonds Radiant Cathedral Pavé Diamond Engagement Ring in White Gold (Profile View)

Lab Diamonds set in White Gold Radiant Cathedral Pavé Setting (Side View)

Diamonds set in Yellow Gold Radiant Cathedral Pavé Diamond Engagement Ring (Main View)

Yellow Gold Radiant Cathedral Pavé Setting featuring Hand Selected Lab Diamonds (Main View)

Synthetic Diamonds Radiant Cathedral Pavé Setting in Rose Gold (Main View)

Rose Gold Radiant Cathedral Pavé Setting featuring Exceptional Quality Lab Diamonds (Main View)

Platinum & Yellow Gold Radiant Cathedral Pavé Diamond Engagement Ring featuring Lab Diamonds (Main View)

High Quality Lab Created Diamonds Radiant Cathedral Pavé Diamond Engagement Ring in Platinum & Yellow Gold (Profile View)

Platinum & Yellow Gold Radiant Cathedral Pavé Diamond Engagement Ring featuring Hand Selected Diamonds (Profile View)

Platinum & Rose Gold Radiant Cathedral Pavé Diamond Engagement Ring featuring Lab Diamonds (Main View)

Platinum & Rose Gold Radiant Cathedral Pavé Diamond Engagement Ring featuring Lab Diamonds (Profile View)

Platinum & Rose Gold Radiant Cathedral Pavé Diamond Engagement Ring featuring Exceptional Quality Diamonds (Main View)

High Quality Lab Created Diamonds Radiant Cathedral Pavé Setting in Platinum & Rose Gold (Profile View)

radiant cut lab diamond in cathedral pave setting

Hand Selected 2.25 ct Lab Grown Diamonds set in Platinum Radiant Cathedral Pavé Diamond Engagement Ring (Main View)

3.0 Carat Diamonds set in Platinum Radiant Cathedral Pavé Setting (Profile View)

3ct radiant cut lab diamond in cathedral pave setting in platinum

Platinum 3 Carat Radiant Lab Diamond in High Profile Pavé Setting Ada Diamonds Design AD-353 in Box

High Quality 3.25 ctw Lab Diamonds Radiant Cathedral Pavé Diamond Engagement Ring in Yellow Gold (Main View)

platinum 3 ct radiant cut lab diamond cathedral pavé engagement ring ada diamonds design ad 353

platinum 3 carat radiant man made cathedral pavé engagement ring ada diamonds design ad 353 macro

Exceptional Quality 3.25 ctw Diamonds Radiant Cathedral Pavé Setting in Yellow Gold (Main View)

Exceptional Quality 3.25 ct Diamonds Radiant Cathedral Pavé Setting in Yellow Gold (Profile View)

Yellow Gold 2.5 Carat Radiant Cathedral Pavé Ring with Lab Diamonds Ada Diamonds Design Ad-353 Macro

18k Yellow Gold 3 Carat Radiant Lab Diamond Cathedral Pavé Ring Ada Diamonds Design AD353 Profile View

Platinum & Yellow Gold Radiant Cathedral Pavé Diamond Engagement Ring featuring 4.25 Carat Man Made Diamonds (Main View)

4.25 ctw Lab Diamonds Radiant Cathedral Pavé Setting in Platinum & Yellow Gold (Profile View)

Lab Diamond Wedding Set Featuring Platinum 2ct Radiant Pavé Ring and Lab Diamond Eternity Band Ada Diamonds Design AD-353

lab grown diamond engagement ring with radiant center stone

Platinum Three Carat Radiant Pavé Lab Diamond Ring Ada Diamonds Design AD-353 Artistic

2.5 ctw Lab Created Diamonds set in White Gold Radiant Cathedral Pavé Setting (Main View)

White Gold Four Carat Radiant Lab Diamond Pavé Ring Ada Diamonds Design AD-353 Macro

18k White Gold 2 Carat Radiant Cathedral Pavé Lab Created Diamond Engagement Ring Ada Diamonds Design AD-353 Profile

4.25 Carat Lab Diamonds set in Platinum & 14k Yellow Gold Radiant Cathedral Pavé Diamond Engagement Ring (Side View)

Platinum 3.5 Carat Radiant Lab Diamond Ring Ada Diamonds Design AD-353 Profile

one and a half carat radiant cut lab diamond in pave setting

White Gold 1.75ct Radiant Lab Diamond Ring with Pavé Band Ada Diamonds Design AD-353 on Hand

Platinum Radiant Cathedral Pavé Setting featuring 2.0 Carat Diamonds (Main View)

2 Carat Rectangular Radiant Lab Diamond High Profile Pavé Engagement Ring Ada Diamonds Design AD-353 on Model

2.25 Carat Diamonds set in Platinum Radiant Cathedral Pavé Setting (Main View)

platinum 2.5 carat radiant cut lab diamond trellis pavé engagement ring design ad 353

18k White Gold 3.5 Carat Radiant Cathedral Pavé Lab Diamond Ring Ada Diamonds Design AD-353 on Hand

Platinum & Yellow Gold Radiant Cathedral Pavé Setting featuring High Quality 4.25 ct Diamonds (Main View)

4.25 Carat Diamonds Radiant Cathedral Pavé Diamond Engagement Ring in Platinum & Yellow Gold (Profile View)

on hand size guide different pavé band sizes lab diamond engagement rings ada diamonds

2.5 Carat Lab Diamonds Radiant Cathedral Pavé Diamond Engagement Ring in Platinum (Main View)

3ctw Radiant Cathedral Pavé Engagement Ring in Platinum

2.5 ct Diamonds set in Radiant Cathedral Pavé Diamond Engagement Ring (Profile View)

Radiant Cathedral Pavé Setting featuring Exceptional Quality 2.0 Carat Diamonds (Main View)

2.5ctw Radiant Cathedral Pavé Engagement Ring in 14k Yellow Gold

Your Choice of Gold:  1.6mm Side Stones (0.40ctw): $2,550 USD 1.8mm Side Stones (0.50ctw): $2,650 USD 2.0mm Side Stones (0.60ctw): $2,750 USD 2.2mm Side Stones (0.70ctw): $2,850 USD 2.4mm Side Stones (1.0ctw): $3,250 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. Add a hidden halo for $500 USD. Total carat weights are approximate.

Feminine and simple, this setting features a petite four-prong basket and cathedral shoulders. Customize your lab diamond engagement ring with diamond sizes of 1.6-2.5mm in 3/4, half, or eternity coverage.

Pavé Standard

Radiant Cathedral Pavé Setting

Cathedral 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.