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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.

2.0 ct Diamonds set in White Gold Oval Petite Four Prong Solitaire Diamond Engagement Ring (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

Pear Petite Solitaire

Princess Petite Four Prong Solitaire

Radiant Petite Four Prong Solitaire

Oval Petite Four Prong Pavé Setting

Created Diamonds Oval Petite Four Prong Solitaire Diamond Engagement Ring in White Gold (Main View)

White Gold Oval Petite Four Prong Solitaire featuring Exceptional Quality Lab Diamonds (Profile View)

Lab Grown Diamonds set in White Gold Oval Petite Four Prong Solitaire Diamond Engagement Ring (Side View)

Yellow Gold Oval Petite Four Prong Solitaire featuring Diamonds (Main View)

Yellow Gold Oval Petite Four Prong Solitaire featuring Lab Diamonds (Main View)

Rose Gold Oval Petite Four Prong Solitaire Diamond Engagement Ring featuring Exceptional Quality Lab Diamonds (Main View)

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

Yellow Gold Oval Petite Four Prong Solitaire featuring Man Made Diamonds (Main View)

Platinum & Yellow Gold Oval Petite Four Prong Solitaire featuring Created Diamonds (Profile View)

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

Platinum & Yellow Gold Oval Petite Four Prong Solitaire Diamond Engagement Ring featuring Hand Selected Man Made Diamonds (Profile View)

Exceptional Quality Lab Grown Diamonds Oval Petite Four Prong Solitaire in Platinum & Rose Gold (Profile View)

Rose Gold Oval Petite Four Prong Solitaire Diamond Engagement Ring featuring Lab Diamonds (Main View)

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

14k Yellow Gold 2.5ct Oval Lab Diamond Solitaire Engagement Ring Ada Diamonds Design AD-143 Floral Background

14k Yellow Gold 2.5ct Oval Petite Four Prong Solitaire Engagement Ring Ada Diamonds Design AD-143 Artistic

14k Yellow Gold 2.5 Carat Oval Solitaire Engagement Featuring Lab Created Diamond Ada Diamonds Design AD-143 Profile

2.5 Carat Lab Created Diamonds set in Yellow Gold Oval Petite Four Prong Solitaire (Main View)

2.75 Carat Diamonds set in Platinum Oval Petite Four Prong Solitaire Diamond Engagement Ring (Main View)

Platinum Oval Petite Four Prong Solitaire Diamond Engagement Ring featuring 2.75 Carat Lab Diamonds (Profile View)

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

Platinum Oval Petite Four Prong Solitaire Diamond Engagement Ring featuring High Quality 4.25 Carat Diamonds (Side View)

Platinum Oval Petite Four Prong Solitaire Diamond Engagement Ring featuring 2.0 ct Lab Diamonds (Main View)

2.0 Carat Lab Diamonds set in Platinum Oval Petite Four Prong Solitaire Diamond Engagement Ring (Side View)

2.0 Carat Lab Diamonds set in Platinum Oval Petite Four Prong Solitaire (Profile View)

Platinum Oval Petite Four Prong Solitaire featuring 2.5 ct Synthetic Diamonds (Main View)

Hand Selected 2.5 Carat Diamonds set in Platinum Oval Petite Four Prong Solitaire Diamond Engagement Ring (Profile View)

4.75 Carat Diamonds set in Yellow Gold Oval Petite Four Prong Solitaire (Main View)

4.75 Carat Synthetic Diamonds set in Yellow Gold Oval Petite Four Prong Solitaire (Profile View)

High Quality 4.0 ct Lab Diamonds set in Platinum Oval Petite Four Prong Solitaire (Main View)

Platinum 4ct Oval Lab Diamond Classic Solitaire Ada Diamonds Design AD-143 Profile

platinum lab diamond wedding set with oval engagement ring and u pavé three quarter eternity band ada diamonds design ad 143 and ad 171

18k White and Yellow Gold 2.5ct Oval Lab Diamond Solitaire Engagement Ring Ada Diamonds Design Ad-143 Macro

14k Yellow Gold 2 Carat Oval Solitaire Engagement Ring Featuring Lab Diamonds Ada Diamonds Design Number 143 Artistic Shot

3.25 Carat Lab Grown Diamonds set in Platinum & Yellow Gold Oval Petite Four Prong Solitaire (Main View)

Platinum & Yellow Gold Oval Petite Four Prong Solitaire featuring 3.25 ct Created Diamonds (Main View)

18k White and Yellow Gold Two Tone Custom 2.5 ct Oval Lab Diamond Petite Solitaire Engagement Ring Ada Diamonds Design AD-143 Profile

Exceptional Quality 2.0 ct Lab Diamonds Oval Petite Four Prong Solitaire Diamond Engagement Ring in Rose Gold (Side View)

14k yellow gold 4 carat oval lab diamond solitaire engagement ring in yellow gold ada diamonds design ad 143

14k yellow gold 4 carat oval man made diamond solitaire with hidden halo ada diamonds design ad 143 profile

2 Carat Oval Solitaire Engagement Ring in 18k Yellow Gold made with Laboratory Grown Diamonds Ada Diamonds Design Number AD-143 Artistic Image with Lace Background

Two Tone White and Yellow Gold 1.75 Carat Oval Solitaire Engagement Ring with Lab Diamonds Ada Diamonds Design Number 143 Macro Shot

14k rose gold 4.25ct oval solitaire engagement ring ada diamonds design ad 143

14k rose gold 4.25 carat oval cut lab diamond petite solitaire engagement ring ada diamonds design ad 143 profile

Platinum & Yellow Gold Oval Petite Four Prong Solitaire Diamond Engagement Ring featuring 3.75 ctw Man Made Diamonds (Main View)

2.5 ct oval lab diamond engagement ring with wedding band in platinum ada diamonds design ad 143 and ad 171 macro

yellow gold 2.5 carat oval cut lab diamond petite solitaire engagement ring with oval eternity band ada diamonds design ad 193 macro

Platinum Oval Petite Four Prong Solitaire Diamond Engagement Ring featuring 2.5 ctw Lab Grown Diamonds (Main View)

18k Yellow Gold Custom Wedding Set with 2.5 ct Oval Lab Diamond Solitaire and 2 Carat Lab Diamond Pear and Marquise Eternity Band Ada Diamonds Design AD-143 and AD-181

1.0 ct Synthetic Diamonds Oval Petite Four Prong Solitaire in Platinum (Main View)

Rose Gold 1.25 Carat Lab Diamond Four Prong Oval Solitaire Engagement Ring On Model Design AD143

1.5 Carat Oval Lab Grown Diamond Four Prong Solitaire In White Gold on Hand Ada Diamonds Design AD-143

1.75 Carat Lab Diamonds set in 14k Yellow Gold Oval Petite Four Prong Solitaire Diamond Engagement Ring (Main View)

Hand Selected 1.75 Carat Diamonds set in Platinum Oval Petite Four Prong Solitaire (Main View)

2.0 Carat Lab Diamonds Oval Petite Four Prong Solitaire Diamond Engagement Ring in 18k Rose Gold (Main View)

Platinum Oval Petite Four Prong Solitaire featuring Exceptional Quality 2.0 ctw Lab Diamonds (Main View)

2.25 Carat Oval Man Made Diamond Solitaire Engagement Ring in 14k Gold Ada Diamonds Design AD-143 on Hand

2.5 Carat Oval Lab Diamond Yellow Gold Solitaire Engagement Ring Ada Diamonds Design Number AD-143

Yellow Gold 2.75 Carat Oval Cut Solitaire Engagement Ring on Model featuring Lab Diamonds Ada Diamonds Design Number AD-143

2.75 ctw Lab Grown Diamonds Oval Petite Four Prong Solitaire Diamond Engagement Ring in Platinum & Yellow Gold (Main View)

18k Yellow Gold 3 Carat Oval Manmade Diamond Solitaire Ada Diamonds Design AD-143 on Model

Platinum Oval Petite Four Prong Solitaire featuring 3.0 ct Lab Grown Diamonds (Main View)

3.25 ctw Lab Created Diamonds Oval Petite Four Prong Solitaire in Yellow Gold (Main View)

Platinum Oval Petite Four Prong Solitaire Diamond Engagement Ring featuring 3.25 ctw Man Made Diamonds (Main View)

18k Yellow Gold 3.5ct Oval Petite Four Prong Solitaire Ada Diamonds Design AD-143 on Model

Platinum Oval Petite Four Prong Solitaire Diamond Engagement Ring featuring 3.5 ct Diamonds (Main View)

3.5ct oval lab diamond in platinum solitaire

platinum 3.75ct oval lab grown diamond engagement ring ada diamonds design ad 143 on model

3.75 Carat Synthetic Diamonds Oval Petite Four Prong Solitaire in Platinum & Yellow Gold (Main View)

14k yellow gold 4ct Oval Lab Diamond Petite Four Prong Solitaire Engagement Ring Ada Diamonds Design AD-143 on Model

Platinum Oval Petite Four Prong Solitaire featuring 4.0 Carat Lab Created Diamonds (Main View)

Platinum Oval Petite Four Prong Solitaire Diamond Engagement Ring featuring 4.25 Carat Diamonds (Main View)

14k yellow gold gold four and a half carat oval lab diamond petite four prong solitaire engagement ring ada diamonds design ad 143 on model

Yellow Gold Oval Petite Four Prong Solitaire featuring 5.0 ct Lab Diamonds (Main View)

2.ct Oval Petite Four Prong Solitare with Hidden Halo Engagement Ring made in two tone 18k rose gold and 18k white gold made with laboratory grown diamonds ADA Diamonds ad 143

rose gold 2ct oval lab diamond solitaire engagement ring with u pave wedding band ada diamonds design ad 143 on model

Platinum oval Solitaire Engagement Ring with Marquise Eternity Band Ada Diamonds Design AD-143 and AD-270

Oval Four Prong Lab Diamond Solitaire Engagement Ring and Leaf Lab Diamond Wedding Band in Yellow Gold Ada Diamonds Design AD-143

yellow gold oval cut lab diamond petite four prong solitaire engagement with oval eternity band ada diamonds design ad143 and ad193 on model

yellow gold 4ct oval lab diamond solitaire engagement ring with leaf wedding band ada diamonds design ad143 and ad216 on model

Platinum Oval Petite Four Prong Solitaire Diamond Engagement Ring featuring 2.75 ct Diamonds (Profile View)

3.0 ct Lab Diamonds Oval Petite Four Prong Solitaire Diamond Engagement Ring in Yellow Gold (Profile View)

Platinum & Yellow Gold Oval Petite Four Prong Solitaire featuring Exceptional Quality 2.5 ct Man Made Diamonds (Side View)

3.5 Carat Lab Diamonds Oval Petite Four Prong Solitaire in Platinum (Main View)

Platinum Oval Petite Four Prong Solitaire featuring 3.0 Carat Lab Diamonds (Main View)

3ct Oval Petite Four Prong Solitaire Engagement Ring in Platinum

Platinum Oval Petite Four Prong Solitaire Diamond Engagement Ring featuring High Quality 3.0 ctw Diamonds (Profile View)

3ct Oval Petite Four Prong Solitaire Engagement Ring in Platinum Profile View

4.0 ctw Lab Diamonds set in Yellow Gold Oval Petite Four Prong Solitaire Diamond Engagement Ring (Main View)

4ct Oval Petite Four Prong Solitaire in 14k Yellow Gold

Hand Selected 2.0 ct Man Made Diamonds Oval Petite Four Prong Solitaire Diamond Engagement Ring in Yellow Gold (Main View)

2ct Oval Petite Four Prong Solitaire Engagement Ring in 18k 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.

Delicate and feminine, 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 to 2.5mm.

Oval 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.