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.

Hand Selected 1.0 ct Diamonds set in White Gold Single Halo Split Shank Setting (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

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Halo-000

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Diamonds Single Halo Split Shank Setting in White Gold (Main View)

White Gold Single Halo Split Shank Setting featuring High Quality Synthetic Diamonds (Profile View)

Diamonds Single Halo Split Shank Setting in White Gold (Side View)

Yellow Gold Single Halo Split Shank Setting featuring High Quality Lab Diamonds (Main View)

Lab Grown Diamonds Single Halo Split Shank Setting in Yellow Gold (Main View)

Lab Diamonds Single Halo Split Shank Diamond Engagement Ring in Rose Gold (Main View)

Rose Gold Single Halo Split Shank Setting featuring High Quality Diamonds (Main View)

platinum two carat round lab diamond engagement ring with halo and split shank diamond band ada diamonds design ad 161 macro

platinum 2 carat man made diamond engagement ring round single halo split shank ada diamonds design ad 161 profile view

white gold 1.25 ct cushion cut lab grown diamond in single halo split shank setting with diamonds on the band ada diamonds design ad 161

platinum 1.25 carat cushion cut man made diamond in single halo split shank pavé engagement ring ada diamonds design ad 161 profile view

White Gold Single Halo Split Shank Setting featuring 1.0 ct Lab Diamonds (Main View)

1.0 Carat Lab Diamonds set in White Gold Single Halo Split Shank Diamond Engagement Ring (Side View)

1.75 Carat Diamonds Single Halo Split Shank Diamond Engagement Ring in White Gold (Main View)

Single Halo Split Shank Setting Lab Diamond Engagement Ring Design AD161

Yellow Gold Single Halo Split Shank Diamond Engagement Ring featuring High Quality 1.75 ct Lab Diamonds (Main View)

14k Yellow Gold 2.25 Carat Pear Single Halo Split Shank Engagement Ring with Lab Diamonds Ada Diamonds Design Number AD-161 Profile Shot

Rose Gold Single Halo Split Shank Diamond Engagement Ring featuring Hand Selected 1.25 Carat Diamonds (Main View)

1.75 Carat Lab Diamonds Single Halo Split Shank Setting in Rose Gold (Side View)

Platinum Single Halo Split Shank Diamond Engagement Ring featuring High Quality 2.25 ct Lab Grown Diamonds (Main View)

18k White Gold 2.75 Carat Round Halo Engagement Ring with Split Shank and Diamond Band Featuring Lab Grown Diamond Ada Diamonds Design Number AD-161 Profile View

Platinum 5 Carat Oval Halo Split Shank Engagement Ring Featuring Lab Grown Diamonds Ada Diamonds Design Number AD-161 Macro Shot

18k white gold halo split shank setting with 1 carat pear lab diamond ada diamonds design ad-161 on model

platinum 2 ct cushion cut split shank single halo lab created diamond engagement ring ada diamonds design ad 161 on model

18k yellow gold 1.25 carat oval lab diamond halo split shank engagement ring ada diamonds design ad-161 on hand

white gold 1.25 carat pear halo split shank engagement ring made with lab diamonds ada diamonds design ad-161 on model

platinum oval lab grown diamond halo split shank ring ada diamonds design ad-161 on model

platinum 2 ct round single halo split shank lab created diamond engagement ring ada diamonds design ad161 on model

1.75ct asscher lab diamond in single halo setting

1.75 Carat pear lab diamond ring with halo and split shank diamond band ada diamonds design ad-161 on model

18k White Gold Halo Split Shank Engagement Ring Setting with 2ct Man Made Diamond Ada Diamonds Design AD-161 on hand

Platinum 2 Carat Cushion Cut Lab Grown Diamond Halo Split Shank Engagement Ring Ada Diamonds Design AD-161 on Model

5 Carat Oval Lab Created Diamond Ring with Halo and Split Shank Diamond Band Ada Diamonds Design Ad-161 on Model

1.5 ctw Synthetic Diamonds Single Halo Split Shank Diamond Engagement Ring in Platinum (Main View)

2.16ctw Round Single Halo Split Shank Engagement Ring in Platinum

1.5 Carat Lab Diamonds set in Platinum Single Halo Split Shank Diamond Engagement Ring (Profile View)

Profile View of 2.25ctw Round Single Halo Split Shank Engagement Ring in Platinum

1.75 ctw Diamonds Single Halo Split Shank Diamond Engagement Ring in Platinum (Main View)

2.25ctw Asscher Single Halo Split Shank Engagement Ring in Platinum

Your Choice of Gold:  1.1mm in Halo, 1.6mm on Band: $3,150 USD1.2mm in Halo, 1.6mm on Band: $3,200 USD1.3mm in Halo, 1.8mm on Band: $3,350 USD1.5mm in Halo, 2.0mm on Band: $4,050 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 beautiful way to enhance your center stone, this setting features a single halo of lab grown diamonds in a basket setting and an optional split shank diamond pavé set band.

Split Shank Pavé

Single Halo

Single Halo Split Shank Setting

Split Shank Halo Pavé

Custom made-to-order 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.