White Default Shadow

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.

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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Asscher Halo Pavé Setting

Cushion Halo Pavé Setting

Emerald Halo Pavé Setting

Oval Halo Pavé Setting

Pear Halo Pavé Setting

Princess Halo Pavé Setting

Radiant Halo Pavé Setting

Halo-000

Halo-001

Halo-002

Halo-003

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Halo-005

Halo-006

2.0 Carat Lab Created Diamonds Round Halo Pavé Diamond Engagement Ring in 18k White Gold (Main View)

Exceptional Quality Lab Created Diamonds Round Halo Pavé Setting in White Gold (Profile View)

Diamonds Round Halo Pavé Setting in White Gold (Side View)

Diamonds set in Yellow Gold Round Halo Pavé Diamond Engagement Ring (Main View)

Lab Grown Diamonds set in Yellow Gold Round Halo Pavé Diamond Engagement Ring (Main View)

Rose Gold Round Halo Pavé Diamond Engagement Ring featuring Man Made Diamonds (Main View)

Rose Gold Round Halo Pavé Diamond Engagement Ring featuring Hand Selected Diamonds (Main View)

Platinum & Yellow Gold Round Halo Pavé Diamond Engagement Ring featuring High Quality Diamonds (Main View)

Man Made Diamonds Round Halo Pavé Setting in Platinum & Yellow Gold (Profile View)

Diamonds set in Platinum & Yellow Gold Round Halo Pavé Diamond Engagement Ring (Profile View)

Diamonds set in Platinum & Rose Gold Round Halo Pavé Setting (Main View)

Platinum & Rose Gold Round Halo Pavé Setting featuring High Quality Lab Diamonds (Profile View)

Platinum & Rose Gold Round Halo Pavé Setting featuring Hand Selected Diamonds (Main View)

Created Diamonds set in Platinum & Rose Gold Round Halo Pavé Setting (Profile View)

2ct round lab diamond in halo pave setting in platinum

lab diamond engagement ring with halo in white gold

platinum 2.75 ct round lab diamond halo pavé engagement ring ada diamonds design 080 macro

Platinum Round Halo Pavé Setting featuring Lab Diamonds (Side View)

18k Rose Gold Round Lab Diamond Halo Engagement Ring Ada Diamonds Design AD-080 Macro

18k Rose Gold 2ct Round Lab Diamond Halo Engagement Ring Ada Diamonds Design AD-080 Profile

2.5ct lab diamond round in halo pave engagement ring

2.5ct round lab diamond in halo engagement ring with diamonds on the band in platinum

Exceptional Quality 2.5 Carat Lab Diamonds Round Halo Pavé Setting in Platinum (Main View)

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platinum 4 carat round lab diamond halo engagement ring with diamond band ada diamonds design ad080 macro

platinum 4ct round manmade diamond engagement ring with diamond band ada diamonds design ad 080

14k rose gold 2.5ct round lab diamond in halo engagement ring with diamonds on the band

2.5ct round lab diamond halo pavé engagement ring in 14k rose gold

Platinum 3ct Round Lab Diamond Ring with Halo and Diamonds on the Band Ada Diamonds Design AD-080

Ada Diamonds Top Of The World Setting Lab Grown Diamond Engagement Ring In Box AD080

Platinum Round Halo Pavé Diamond Engagement Ring featuring Hand Selected 1.0 Carat Lab Diamonds (Main View)

1.75 ct Created Diamonds set in Platinum Round Halo Pavé Setting (Main View)

White Gold 1.25 Carat Round Lab Diamond with Halo and Diamond Band Ring Ada Diamonds Design AD-080 on Model

Platinum 1.5 Carat Round Lab Created Diamond Engagement Ring with Halo and Pavé Band Ada Diamonds Design AD-080 On Model

Rose Gold Round Halo Pavé Diamond Engagement Ring featuring 1.5 Carat Diamonds (Main View)

White Gold 1.75ct Round Halo Man Made Diamond Engagement Ring Ada Diamonds Design AD-080 on Hand

Platinum 2ct Round Lab Created Diamond Custom Halo Engagement Ring Ada Diamonds Design AD-080 on Model

2ct Round Lab Diamond rose gold halo engagement ring Ada Diamonds Design Ad-080 on Model

2.25ct lab created diamond in halo setting

Rose Gold Round Halo Pavé Setting featuring 2.5 Carat Diamonds (Main View)

Rose Gold Round Halo Pavé Diamond Engagement Ring featuring High Quality 2.5 ct Man Made Diamonds (Profile View)

platinum 3.5ct halo pavé engagement ring with lab diamonds

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2.5 ctw Lab Diamonds set in Platinum Round Halo Pavé Diamond Engagement Ring (Main View)

3.5ctw Round Halo Pavé Engagement Ring in Platinum

Platinum Round Halo Pavé Setting featuring Exceptional Quality 2.5 Carat Diamonds (Profile View)

3.5ctw Round Halo Pavé Engagement Ring in Platinum Profile View

1.75 ctw Lab Diamonds Round Halo Pavé Diamond Engagement Ring in Rose Gold (Main View)

2.5ctw Round Halo Pavé Engagement Ring in 18k Rose Gold

Your Choice of Gold:  1.1mm in Halo, 1.6mm on Band (0.60ctw): $3,150 USD1.2mm in Halo, 1.6mm on Band (0.70ctw): $3,200 USD1.3mm in Halo, 1.8mm on Band (0.80ctw): $3,350 USD1.5mm in Halo, 2.0mm on Band (1.0ctw): $3,950 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. Total carat weights are approximate. Additional halo sizes of 2.0mm and 2.4mm.

A modern classic, this setting features a single halo and cathedral shoulders. Customize your lab diamond engagement ring by choosing your halo diamond size and band diamond size in 3/4, half, or eternity coverage.

Pavé Standard

Single Halo

Round Halo Pavé Setting

Halo Pavé

Custom made-to-order round halo 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.