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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.

Emerald Petite Four Prong Solitaire - Ada Diamonds

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>

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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

Oval Petite Four Prong Solitaire

Pear Petite Solitaire

Princess Petite Four Prong Solitaire

Radiant Petite Four Prong Solitaire

Emerald Petite Four Prong Pavé Setting

White Gold Emerald Petite Four Prong Solitaire featuring Synthetic Diamonds (Main View)

High Quality Diamonds Emerald Petite Four Prong Solitaire in White Gold (Profile View)

Created Diamonds set in White Gold Emerald Petite Four Prong Solitaire Diamond Engagement Ring (Side View)

High Quality Diamonds set in Yellow Gold Emerald Petite Four Prong Solitaire (Main View)

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

Exceptional Quality Lab Created Diamonds set in Rose Gold Emerald Petite Four Prong Solitaire (Main View)

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

Platinum & Yellow Gold Emerald Petite Four Prong Solitaire featuring Hand Selected Diamonds (Main View)

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

Created Diamonds Emerald Petite Four Prong Solitaire in Platinum & Yellow Gold (Profile View)

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

Platinum & Rose Gold Emerald Petite Four Prong Solitaire featuring Diamonds (Profile View)

Diamonds Emerald Petite Four Prong Solitaire in Platinum & Rose Gold (Main View)

Hand Selected Lab Diamonds Emerald Petite Four Prong Solitaire in Platinum & Rose Gold (Profile View)

18k Yellow Gold 2.5 Carat Emerald Cut Lab Diamond Solitaire Engagement Ring Ada Diamonds Design AD-235 Artistic Image in Box

18k White Gold 3 Carat Emerald Cut Lab Diamond Solitaire Ada Diamonds Design AD-235 Floral Background

yellow gold 2 carat emerald cut lab created diamond solitaire engagement ring ada diamonds design ad 235 macro

14k yellow gold 2 carat emerald cut lab created diamond solitaire engagement ring on model ada diamonds design ad 235

Platinum 2.75 Carat Emerald Cut Solitaire Engagement Ring Featuring Lab Diamonds Ada Diamonds Design Number AD-235 Profile in Box

14k Rose Gold Four Carat Emerald Cut Lab Created Diamond Solitaire Ada Diamonds Design AD-235

14k Rose Gold 4 Carat Emerald Cut Lab Diamond Solitaire with 1.5 Carat Round Five Lab Diamond Half Eternity Band Ada Diamonds Design AD-235 and AD-247 Macro

platinum 5 carat emerald cut lab diamond solitaire engagement ring ada diamonds design ad 235 macro

platinum 9 carat emerald cut lab grown diamond solitaire engagement ring ada diamonds design ad 235 macro

Five Carat Emerald Cut Lab Diamond Solitaire Engagement Ring Platinum Ada Diamonds Design AD-235 Profile

Emerald Four Prong Lab Diamond Solitaire Engagement Ring Rose Gold Profile View Ada Diamonds Design AD-235

14 Karat Yellow Gold Emerald Petite Four Prong Solitaire featuring 4.0 ctw Lab Diamonds (Side View)

3.5 ctw Lab Diamonds set in Yellow Gold Emerald Petite Four Prong Solitaire (Side View)

Yellow Gold Emerald Petite Four Prong Solitaire featuring High Quality 3.75ct Lab Grown Diamonds (Main View)

14k Yellow Gold 1ct Emerald Cut Lab Diamond Solitaire Engagement Ring Ada Diamonds Design AD-329 in Box

14k Yellow Gold 1ct Emerald Cut Lab Diamond Solitaire Engagement Ring Ada Diamonds Design AD-235 Profile

4.0 Carat Diamonds Emerald Petite Four Prong Solitaire Diamond Engagement Ring in 14k Yellow Gold (Main View)

Two-Tone White and Yellow Gold 2.25ct Emerald Cut Lab Diamond Solitaire with Hidden Halo Ada Diamonds Design AD-235 Artistic

Yellow Gold Emerald Petite Four Prong Solitaire Diamond Engagement Ring featuring 3.75 ct Diamonds (Main View)

High Quality 3.75 Carat Lab Diamonds Emerald Petite Four Prong Solitaire in Yellow Gold (Profile View)

1.75 Carat Diamonds Emerald Petite Four Prong Solitaire Diamond Engagement Ring in Yellow Gold (Main View)

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

18k rose gold emerald cut solitaire engagement ring

lab created emerald cut diamond in yellow gold solitaire

14k yellow gold 1.5ct emerald cut lab grown diamond engagement ring ada diamonds design ad235 on model

Exceptional Quality 1.5 ctw Lab Diamonds set in Yellow Gold Emerald Petite Four Prong Solitaire (Main View)

Yellow Gold Emerald Petite Four Prong Solitaire Diamond Engagement Ring featuring 1.75 ct Lab Grown Diamonds (Main View)

Rose Gold 1.75ct Emerald Cut Lab Diamond Engagement Ring Ada Diamonds Design AD-235 on Model

14k Yellow Gold 2ct Emerald Cut Lab Diamond Solitaire Ada Diamonds Design Ad-235 on Model

Platinum 2ct Emerald Cut Lab Diamond Solitaire Ada Diamonds Design Ad-235 on Model

14k white and yellow gold 2.25ct emerald cut lab diamond solitaire engagement ring Ada Diamonds design ad-235 on model

Yellow Gold 2.5 Carat Emerald Cut Solitaire Engagement Ring On Hand Ada Diamonds Design Number 235 on Hand

2.75ct emerald cut lab diamond in solitaire

18k Yellow Gold 3 Carat Emerald Cut Lab Created Diamond Solitaire Ada Diamonds Design Ad-235 on Model

3.5 ct Man Made Diamonds set in 18kt White Gold Emerald Petite Four Prong Solitaire Diamond Engagement Ring (Main View)

Platinum Solitaire with 5 Carat Emerald Cut Lab Diamond Ada Diamonds Design Number 235 on Model Image

Emerald Four Prong Solitaire Lab Diamond Wedding Ring On Model AD235

"2.0ct Emerald Petite Four Prong Solitaire Diamond Engagement Ring in Platinum | AD-235"

"2.0 CT Emerald Cut Petite Four Prong Solitaire Diamond Engagement Ring in Platinum - Profile View"

"Stunning 4.0ct Emerald Petite Four Prong Solitaire Diamond Engagement Ring in 14k Yellow Gold - AD-235 Review"

"Elegant 3.0ct Emerald Cut Diamond Engagement Ring in 14k Rose Gold - AD-235 Showcase"

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.

Simple and stunning, 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.

Emerald 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.