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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.

Hand Selected 2.5 ctw Diamonds set in Yellow Gold Pear Cathedral Solitaire (Main View)

2.5 Carat Synthetic Diamonds set in Yellow Gold Pear Cathedral Solitaire (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_!

emerald-eternity-band-with-lab-grown-diamonds.jpg

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

Asscher Cathedral Solitaire

Cushion Cathedral Solitaire

Emerald Cathedral Solitaire

Oval Cathedral Solitaire

Princess Cathedral Solitaire

Radiant Cathedral Solitaire

Round Cathedral Solitaire

Pear Cathedral Pavé Setting

Exceptional Quality Synthetic Diamonds Pear Cathedral Solitaire Diamond Engagement Ring in White Gold (Main View)

White Gold Pear Cathedral Solitaire featuring Hand Selected Diamonds (Profile View)

Lab Diamonds Pear Cathedral Solitaire Diamond Engagement Ring in White Gold (Side View)

Diamonds set in Yellow Gold Pear Cathedral Solitaire Diamond Engagement Ring (Main View)

Lab Diamonds Pear Cathedral Solitaire Diamond Engagement Ring in Yellow Gold (Main View)

Rose Gold Pear Cathedral Solitaire featuring Diamonds (Main View)

Rose Gold Pear Cathedral Solitaire Diamond Engagement Ring featuring Hand Selected Diamonds (Main View)

Synthetic Diamonds Pear Cathedral Solitaire in Platinum & Yellow Gold (Main View)

Diamonds set in Platinum & Yellow Gold Pear Cathedral Solitaire (Profile View)

Hand Selected Lab Diamonds Pear Cathedral Solitaire in Platinum & Yellow Gold (Profile View)

Hand Selected Diamonds Pear Cathedral Solitaire Diamond Engagement Ring in Platinum & Rose Gold (Main View)

Platinum & Rose Gold Pear Cathedral Solitaire Diamond Engagement Ring featuring High Quality Diamonds (Profile View)

Platinum & Rose Gold Pear Cathedral Solitaire Diamond Engagement Ring featuring Diamonds (Main View)

Diamonds set in Platinum & Rose Gold Pear Cathedral Solitaire (Profile View)

platinum 3.5 carat pear cut lab diamond solitaire engagement ring ada diamonds design ad 339 macro

platinum 3.5 carat pear cut lab diamond solitaire engagement ring with hidden halo ada diamonds design ad339 profile view

two tone pear cut lab diamodn solitaire profile view

pear solitaire lab diamond engagement ring

Platinum 2.5ct Pear Solitaire Ring with Lab Diamond Ada Diamonds Design AD-339 Macro

yellow gold pear cathedral solitaire with nesting band

two tone pear cathedral solitaire side view

14k rose gold high profile 2 ct pear solitaire engagement ring ada diamonds design ad 339

1ct platinum pear solitaire engagement ring

1.5ct lab created pear diamond in yellow gold solitaire

2ct pear solitaire in two tone yellow gold and platinum

14k rose gold 2 carat pear lab created diamond cathedral solitaire engagement ring ada diamonds design ad 339

yellow gold 2.25 carat pear cathedral lab diamond solitaire engagement ring ada diamonds design ad 339 on model

Yellow Gold 2.5ct Pear Lab Diamond Solitaire Engagement Ring Ada Diamonds Design AD-339 on Hand

Platinum 2.5ct Pear Lab Diamond Solitaire Engagement Ring Ada Diamonds Design AD-339 on Hand

2.75ct two tone pear solitaire engagement ring on model

platinum 3.5 carat pear cut cathedral lab created diamond solitaire engagement ring with hidden halo ada diamonds design ad 339 on model

Yellow Gold Pear Cathedral 4ct Lab Created Diamond Solitaire Engagement Ring Ada Diamonds Design Ad-339 on Model

14k Yellow Gold 4 Carat Pear Cathedral Lab Diamond Solitaire Engagement Ring Ada Diamonds Design AD-339 on Model Profile View

profile view on model pear lab diamond solitaire two tone

Platinum 2.5 Carat Pear Lab Grown Diamond Cathedral Solitaire Engagement Ring Ada Diamonds Design AD-339 on Model

2.5 ctw Lab Grown Diamonds set in Platinum Pear Cathedral Solitaire (Main View)

2.5 CTW Platinum Pear Cathedral Solitaire Diamond Engagement Ring

"Elegant 2.5ct Pear Cathedral Solitaire Diamond Engagement Ring in Platinum | Main View"

Platinum & Yellow Gold Pear Cathedral Solitaire Diamond Engagement Ring featuring Hand Selected 1.75 ct Lab Grown Diamonds (Main View)

"Stunning 1.75 ct Pear Cathedral Solitaire Diamond Engagement Ring in Platinum & 18k Yellow Gold"

Yellow Gold Pear Cathedral Solitaire Diamond Engagement Ring featuring 2.5 Carat Diamonds (Main View)

"Elegant 2.5 Carat Pear-Shaped Diamond Engagement Ring in 14k Yellow Gold | Cathedral Solitaire Design"

Elegant 2.0ct Pear Cathedral Solitaire Diamond Engagement Ring in 14k Rose Gold - AD-339 Overview

"Elegant 1.75ct Pear Cathedral Solitaire Diamond Engagement Ring in 14k Yellow Gold - AD-339 Showcase"

Your Choice of Gold: $1,350 USD Platinum &amp; Two-Tone: $1,600 USD Pricing is for setting only - center stone priced separately. Add a hidden halo for $500 USD.

Elegant and elevated, this setting features three petite prongs and a raised cathedral shoulders. Customize your lab diamond solitaire engagement ring with band widths of 1.8-2.5mm. 

Pear Cathedral Solitaire

Cathedral Solitaires

Custom made-to-order solitaire 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.