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Big News: Ada Diamonds Joins the Sasha Primak Family

We are excited to announce that Ada Diamonds has joined Sasha Primak, a luxury jewelry manufacturer based in New York. For years, Sasha Primak has been a trusted partner of Ada Diamonds, crafting many of the exquisite pieces Ada customers wear today.We have the utmost respect for Ada’s founders and are committed to preserving their legacy, values, and the integrity of the Ada brand. Our dedication to exceptional quality, craftsmanship, and innovation remains unchanged.Ada Diamonds' showroom will be relocating to our state-of-the-art 5th Avenue facility, where customers will continue to enjoy the curated luxury experience they love. Visitors will also have the unique opportunity to see master artisans at work, bringing their jewelry dreams to life from start to finish.For any questions regarding past purchases, warranties, or future custom jewelry inquiries, please contact <a href="mailto:concierge@adadiamonds.com">concierge@adadiamonds.com</a>.Stay tuned for more exciting updates as we continue to create exquisite, high-quality jewelry for our valued customers.

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.

Thank You for Your Inquiry! 

An Ada Diamonds concierge will contact you via email shortly. You can expect a response within 1-2 business days of your submission. We look forward to working with you.In the meantime, please follow <a target="_blank" rel="noopener noreferrer" href="https://instagram.com/adadiamonds">@AdaDiamonds</a>!

Global PopUp Form

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

Return Policy

We expect you to love your Ada jewelry. Should you be unhappy for any reason, return your item within 30 days for a full refund, less any non-refundable deposits or re-stocking fees. Jewelry must be in new, unworn condition and customer is responsible for return shipping. A return shipping label will be provided for a small fee.

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.

Terms &amp; Conditions:<ul><li>Discount applies to select styles only.</li><li>This offer does not apply to custom-designed jewelry or settings.</li><li>A full diamond purchase is required to qualify for the discount; deposits (20%) are excluded.</li><li>Settings are eligible for a discount only with the purchase of a diamond.</li><li>Offer is valid for new purchases only and does not apply to previous transactions.</li><li>This promotion is available for a limited time and may be withdrawn at any time without notice.</li><li>This offer cannot be combined with any other promotions, discounts, or special offers.</li></ul>

Terms &amp; Conditions:<ul><li>Discount applies to select styles only.</li><li>This offer does not apply to custom-designed jewelry or settings.</li><li>Offer is valid for new purchases only and does not apply to previous transactions.</li><li>This promotion is available for a limited time and may be withdrawn at any time without notice.</li><li>This offer cannot be combined with any other promotions, discounts, or special offers.</li></ul>

Lab created cushion cut diamond in single halo setting in white gold

Not sure what she wants? We can help. Propose with a classic solitaire, and then design a custom ring together.

Proposal Settings

Floral Basket Solitaire Diamond Engagement Ring featuring Man Made Diamonds (Profile View)

Floral Basket Solitaire featuring Diamonds (Profile View)

See why real couples chose Ada to tell their love story

They Said Yes! 

At Ada Diamonds, we’re different,&nbsp;we’re better, we’re worth it. Book your complimentary consultation now

The Most Trusted Experts in Lab Diamonds

Diamonds set in Pear Petite Pavé Setting (Profile View)

Pear Petite Pavé Diamond Engagement Ring featuring High Quality Lab Diamonds (Profile View)

Ready to Begin Your Concierge Experience?

Engagement Modal Form

Asscher Single Halo Setting

Emerald Single Halo Setting

Oval Single Halo Setting

Pear Single Halo Setting

Princess Single Halo Setting

Radiant Single Halo Setting

Round Single Halo Setting

Halo-000

Halo-001

Halo-002

Halo-003

Halo-004

Halo-005

Halo-006

Wedding Band Sitting Flush Against Engagement Ring - Design Number: AD-365

Diamonds set in White Gold Cushion Single Halo Setting (Main View)

White Gold Cushion Single Halo Setting featuring Lab Diamonds (Main View)

Lab Diamonds set in White Gold Cushion Single Halo Setting (Profile View)

White Gold Cushion Single Halo Diamond Engagement Ring featuring Lab Diamonds (Profile View)

Lab Diamonds Cushion Single Halo Setting in White Gold (Profile View)

White Gold Cushion Single Halo Setting featuring Exceptional Quality Lab Diamonds (Profile View)

Synthetic Diamonds set in White Gold Cushion Single Halo Setting (Side View)

High Quality Lab Diamonds Cushion Single Halo Diamond Engagement Ring in White Gold (Side View)

Diamonds Cushion Single Halo Setting in White Gold (Side View)

Exceptional Quality Lab Diamonds set in White Gold Cushion Single Halo Setting (Side View)

Synthetic Diamonds Cushion Single Halo Setting in Yellow Gold (Main View)

Diamonds Cushion Single Halo Diamond Engagement Ring in Yellow Gold (Main View)

Hand Selected Diamonds Cushion Single Halo Diamond Engagement Ring in Yellow Gold (Main View)

Yellow Gold Cushion Single Halo Diamond Engagement Ring featuring Lab Grown Diamonds (Main View)

Created Diamonds set in Rose Gold Cushion Single Halo Setting (Main View)

Diamonds Cushion Single Halo Diamond Engagement Ring in Rose Gold (Main View)

Rose Gold Cushion Single Halo Diamond Engagement Ring featuring Lab Created Diamonds (Main View)

Rose Gold Cushion Single Halo Diamond Engagement Ring featuring High Quality Created Diamonds (Main View)

Platinum & Yellow Gold Cushion Single Halo Setting featuring Lab Diamonds (Main View)

Man Made Diamonds Cushion Single Halo Setting in Platinum & Yellow Gold (Main View)

Exceptional Quality Diamonds set in Platinum & Yellow Gold Cushion Single Halo Diamond Engagement Ring (Profile View)

Man Made Diamonds Cushion Single Halo Setting in Platinum & Yellow Gold (Profile View)

High Quality 2.0 Carat Diamonds Cushion Single Halo Diamond Engagement Ring in Platinum & Yellow Gold (Main View)

2.0 Carat Lab Diamonds Cushion Single Halo Diamond Engagement Ring in Platinum & Yellow Gold (Main View)

Platinum & Yellow Gold Cushion Single Halo Setting featuring Man Made Diamonds (Profile View)

Platinum & Yellow Gold Cushion Single Halo Diamond Engagement Ring featuring High Quality Lab Diamonds (Profile View)

Lab Diamonds set in Platinum & Rose Gold Cushion Single Halo Setting (Main View)

Platinum & Rose Gold Cushion Single Halo Setting featuring Lab Grown Diamonds (Main View)

Platinum & Rose Gold Cushion Single Halo Diamond Engagement Ring featuring Lab Diamonds (Profile View)

Platinum & Rose Gold Cushion Single Halo Diamond Engagement Ring featuring Lab Created Diamonds (Profile View)

Diamonds Cushion Single Halo Diamond Engagement Ring in Platinum & Rose Gold (Main View)

Created Diamonds set in Platinum & Rose Gold Cushion Single Halo Diamond Engagement Ring (Main View)

Exceptional Quality Diamonds Cushion Single Halo Setting in Platinum & Rose Gold (Profile View)

Platinum & Rose Gold Cushion Single Halo Setting featuring Lab Diamonds (Profile View)

White Gold Cushion Single Halo Diamond Engagement Ring featuring Exceptional Quality 2.0 Carat Diamonds ()

Exceptional Quality 1.5 Carat Diamonds Cushion Single Halo Diamond Engagement Ring in Yellow Gold (Main View)

lab created diamond engagement ring yellow gold halo

Platinum 2ct lab grown diamond cushion cut engagement ring profile

yellow gold 2ct cushion cut single halo lab diamond engagement ring ada diamonds design ad365

1.75ct cushion cut in halo setting Ada Diamonds Design AD-365

platinum cushion cut halo engagement ring with cushion wedding band ada diamonds design ad 365 on model

Elegant 2.0ct Cushion Cut Diamond Engagement Ring in Platinum - Single Halo Setting | Ada's Exclusive

Hand Selected 1.5 Carat Lab Diamonds Cushion Single Halo Setting in Yellow Gold (Main View)

"1.5 Carat Lab Diamond Cushion Halo Engagement Ring in 14k Yellow Gold - Exclusive Reveal"

Your Choice of Gold: 1.1mm Halo Stones (0.12ctw): $2,250 USD 1.2mm Halo Stones (0.15ctw): $2,300 USD 1.3mm Halo Stones (0.20ctw): $2,350 USD 1.5mm Halo Stones (0.30ctw): $2,450 USD 2.0mm Halo Stones (0.45ctw): $2,650 USD 2.4mm Halo Stones (0.60ctw): $2,950 USD   Starting at price is for the setting only (center stone priced separately) and includes DEF/VS lab grown diamonds. Platinum &amp; two-tone available for an additional $300 fee. Total carat weights are approximate.

Simple yet beautiful, this setting features a single halo of lab diamonds. Customize your ring with band widths from 1.8-2.5mm.

Single Halo

Cushion Single Halo Setting

Custom made-to-order cushion 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 New York and Austin TX.

Cushion Single Halo Setting

The Perfect Match

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