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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.

Yellow Gold Princess Petite Four Prong Solitaire Diamond Engagement Ring featuring 1.5 ct Lab Diamonds (Main View)

Not sure what style your sweetheart desires? Ensure your proposal is a complete surprise! A non-customized version of this setting qualifies for our <a href="/proposal-settings">Proposal Setting program</a>.

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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

Round Petite Four Prong Solitaire

Asscher Petite Four Prong Solitaire

Cushion Petite Four Prong Solitaire

Emerald Petite Four Prong Solitaire

Oval Petite Four Prong Solitaire

Pear Petite Solitaire

Radiant Petite Four Prong Solitaire

Princess Petite Four Prong Pavé Setting

Hand Selected Lab Grown Diamonds Princess Petite Four Prong Solitaire Diamond Engagement Ring in White Gold (Main View)

Diamonds set in White Gold Princess Petite Four Prong Solitaire (Profile View)

White Gold Princess Petite Four Prong Solitaire Diamond Engagement Ring featuring Diamonds (Side View)

Lab Diamonds Princess Petite Four Prong Solitaire in Yellow Gold (Main View)

Yellow Gold Princess Petite Four Prong Solitaire Diamond Engagement Ring featuring Lab Diamonds (Main View)

Lab Diamonds set in Rose Gold Princess Petite Four Prong Solitaire (Main View)

High Quality Diamonds Princess Petite Four Prong Solitaire Diamond Engagement Ring in Rose Gold (Main View)

Platinum & Yellow Gold Princess Petite Four Prong Solitaire Diamond Engagement Ring featuring Man Made Diamonds (Main View)

Lab Diamonds set in Platinum & Yellow Gold Princess Petite Four Prong Solitaire Diamond Engagement Ring (Profile View)

Platinum & Yellow Gold Princess Petite Four Prong Solitaire Diamond Engagement Ring featuring Lab Grown Diamonds (Profile View)

Platinum & Rose Gold Princess Petite Four Prong Solitaire featuring Lab Diamonds (Main View)

Lab Diamonds set in Platinum & Rose Gold Princess Petite Four Prong Solitaire (Profile View)

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

2.25ct princess cut lab diamond in solitaire engagement ring platinum

2.25ct princess cut lab diamond solitaire in platinum profile view

2.5ct white gold princess cut solitaire in platinum

2.5ct lab created princess cut diamond in platinum solitaire

yellow gold petite four prong with lab diamond princess cut

Platinum & 14k Yellow Gold Princess Petite Four Prong Solitaire featuring 1.5 ctw Man Made Diamonds (Main View)

platinum and yellow gold 1.5ct princess cut lab diamond solitaire engagement ring ada diamonds design ad 341 profile view

14kt Yellow Gold Princess Petite Four Prong Solitaire featuring 2.0 ct Diamonds (Main View)

14k yellow gold 2ct princess cut lab diamond solitaire engagement ring ada diamonds design ad 341 profile view

18k White Gold 1.5ct Princess Cut Lab Diamond Solitaire Engagement Ring Ada Diamonds Design AD-341 Macro

rose gold princess cut solitaire engagement ring

14 Karat Rose Gold Princess Petite Four Prong Solitaire Diamond Engagement Ring featuring 1.5 ct Diamonds

2ct lab diamond princess cut in yellow gold

platinum princess cut lab diamond solitaire engagement ring and princess cut lab diamond wedding band ada diamonds design ad 341 and ad194

Platinum Princess Petite Four Prong Solitaire Diamond Engagement Ring featuring Hand Selected 1.5 Carat Diamonds (Main View)

1.5ct princess cut solitaire engagement ring in 14k rose gold

two tone yellow gold and platinum 1.5ct princess cut lab diamond solitaire engagement ring ada diamonds design ad 341 on model

Platinum 1.75ct Princess Cut Petite Solitaire Engagement Ring Ada Diamonds Design AD-341 on Model

white gold 2 carat princess cut lab diamond solitaire engagement ring ada diamonds design ad 341 on model

2.25ct princess cut man made diamond solitaire engagement ring platinum

Exceptional Quality 2.25 ct Lab Created Diamonds Princess Petite Four Prong Solitaire in Yellow Gold

2.5 ct Created Diamonds set in Platinum Princess Petite Four Prong Solitaire Diamond Engagement Ring (Main View)

2.0 ct Lab Created Diamonds Princess Petite Four Prong Solitaire Diamond Engagement Ring in Yellow Gold (Profile View)

platinum princess cut lab diamond solitaire engagement ring and princess cut lab diamond wedding band on model ada diamonds design ad 341 and ad 194

High Quality 2.5 ctw Man Made Diamonds set in Platinum Princess Petite Four Prong Solitaire (Main View)

2.5ctw Princess Cut Petite Four Prong Solitaire Engagement Ring in Platinum

2.5 ct Man Made Diamonds set in Platinum Princess Petite Four Prong Solitaire Diamond Engagement Ring (Main View)

2.5ct Princess Cut Petite Solitaire Engagement Ring in Platinum Profile View

2.0 Carat Synthetic Diamonds Princess Petite Four Prong Solitaire Diamond Engagement Ring in Yellow Gold (Main View)

2ct Princess Cut Petite Solitaire Engagement Ring in 14k Yellow Gold

Rose Gold Princess Petite Four Prong Solitaire Diamond Engagement Ring featuring Hand Selected 2.25 Carat Synthetic Diamonds (Main View)

2.25ct Princess Petite Solitaire Engagement Ring in 14k Rose Gold

Your Choice of Gold: $1,250 USD Platinum &amp; Two-Tone: $1,500 USD Pricing is for setting only - center stone priced separately. Add a hidden halo for $500 USD.

Lovely and timeless, this setting features petite prongs and a gallery wire for maximum light exposure. Customize your lab diamond solitaire engagement ring with band widths of 1.8-2.5mm.

Princess Petite Four Prong Solitaire

Petite 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.