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>!

Need Help?

A US-based lab diamond expert will respond within 1 business day.&nbsp;

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.

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

14k yellow gold oval lab diamond floral halo engagement ring ada diamonds design ad 179

14k yellow gold oval lab diamond engagement ring with floral halo ada diamonds design ad 179

yellow gold custom 1.5 ct pear half halo lab diamond engagement ring ada diamonds design ad 179 macro

14k yellow gold custom 1.5 ct pear half halo lab diamond engagement ring ada diamonds design ad 179 macro

Custom Halo Setting Lab Grown Diamond Engagement Ring AD179

Custom Halo Setting Lab Diamond Wedding Ring On Model Design AD179

18k White Gold Custom Two Carat Pear Low Profile Halo Engagement Ring with Lab Diamonds Ada Diamonds Design Number 179 Macro Shot in Box

18k White Gold Custom Two Carat Pear Low Profile Halo Engagement Ring with Lab Diamonds Ada Diamonds Design Number 179 Profile View in Box

Custom Yellow Gold Lab Diamond Halo Engagement Ring Design AD-179

Lab Created Emerald Cut Diamond Double Halo Engagement Ring Design AD-179

Custom Halo Tapered Lab Diamond Engagement Ring Design AD179

Custom Oval and Marquise Lab Diamond Ring Design AD-179

Custom Halo By Pass Lab Diamond Engagement Ring Ada Diamonds AD-179

Custom Pear Halo Lab Diamond Ring with Marquise Band Ada Diamonds AD-179

Custom Floral Lab Diamond Halo Engagement Ring with Channel Set Band in Platinum Ada Diamonds AD-179

Custom Floral Lab Diamond Halo Engagement Ring with Channel Set Band in Platinum Side View Ada Diamonds AD-179

Custom Floral Lab Diamond Halo Engagement Ring with Channel Set Band in Platinum on Model Ada Diamonds AD-179

14k White and Rose Gold Three Carat Custom Oval Halo Engagement Ring with Lab Diamonds Ada Diamonds Design Number 179 Macro Shot in Box

14k White and Rose Gold Three Carat Custom Oval Halo Engagement Ring with Lab Diamonds Ada Diamonds Design Number 179 Profile View

14k White and Rose Gold Three Carat Custom Oval Halo Engagement Ring with Lab Diamonds Ada Diamonds Design Number 179 Side View

Platinum Custom 7 Carat Wedding Set with Pear and Baguette Lab Diamond Engagement Ring and Nesting Band Ada Diamonds Design AD-179 Artistic

Platinum Custom 7 Carat Wedding Set with Pear and Baguette Lab Diamond Engagement Ring and Nesting Band Ada Diamonds Design AD-179 on Model

Platinum Custom 7 Carat Wedding Set with Pear and Baguette Lab Diamond Engagement Ring and Nesting Band Ada Diamonds Design AD-179 Profile

18k Yellow Gold Custom 3 Ct Pear Lab Created Diamond Halo Engagement Ring with Twisting Diamond Band Ada Diamonds Design AD-179 Macro

18k Yellow Gold Custom 3 Ct Pear Lab Created Diamond Halo Engagement Ring with Twisting Diamond Band Ada Diamonds Design AD-179 Profile Shot

18k Yellow Gold 3 Carat Pear Lab Diamond Halo Engagement Ring with Twisting Diamond Band Ada Diamonds Design AD-179 on Model

Platinum 3.5 Carat Pear Halo Lab Diamond Engagement Ring with Marquise Band in Platinum Ada Diamonds Design AD-179 Macro Shot

Platinum 3.5 Carat Pear Halo Lab Diamond Engagement Ring with Marquise Band in Platinum Ada Diamonds Design AD-179 Profile

Platinum 3.5 Carat Pear Halo Lab Diamond Engagement Ring with Marquise Band in Platinum Ada Diamonds Design AD-179 On Model

1.5ct Custom Round Lab Diamond Engagement Ring with Marquise Halo in 14k Yellow Gold | Ada Diamonds

Platinum Custom 1.75ct Round Lab Diamond Vintage Inspired Engagement Ring with Halo Ada Diamonds Design AD-179 White Background

Platinum 1.75 Carat Antique Style Halo Engagement Ring with Lab Created Diamonds Ada Diamonds Design AD-179 on Model

14k Yellow Gold 2.25 Carat Custom Pear Halo Engagement Ring with Diamond Band Ada Diamonds Design AD-179 Macro

14k Yellow Gold 2.25ct Pear Lab Created Diamond Custom Halo Engagement Ring Ada Diamonds Design AD-179 Profile View

1.5 Carat Oval Lab Diamond Engagement Ring with Custom Halo in 14k Rose Gold | Ada Diamonds

14k Yellow Gold 2.25 Carat Lab Diamond Pear Halo Engagement Ring Ada Diamonds Design AD-179 on Model

14k Yellow Gold 1ct Round Lab Diamond Ring with Marquise Halo Ada Diamonds Design ad-179

14k Yellow Gold 1ct Round Lab Diamond and Marquise Engagement Ring Profile View

14k Yellow Gold Round and Marquise Lab Created Diamond Ring Ada Diamonds Design Ad-179 on Model

14k Rose Gold Custom 1.5ct Oval Halo Lab Created Diamond Ring Ada Diamonds Design AD-179

14k Rose Gold Custom 1.5 carat Oval Halo Lab Created Diamond Ring Ada Diamonds Design AD-179 on Model

Custom White Gold 1.7ct Pear Lab Diamond Ring with Half Halo Ada Diamonds Design Ad-179

White Gold 2 ct Pear Lab Created Diamond Ring with Custom Half Halo Ada Diamonds Design AD-179 on Model

Yellow gold 2 carat oval lab diamond engagement ring with custom milgrain halo ada diamonds design ad-178

18k yellow gold custom 2ct round lab diamond halo engagement ring with double pave band ada diamonds design ad 179

18k yellow gold custom 2ct round lab diamond halo engagement ring with double pave band ada diamonds design ad 179 on model

platinum 2.5 carat pear lab created diamond engagement ring ada diamonds design ad 178 macro

platinum 2.5 ct pear half halo lab diamond engagement ring ada diamonds design ad 178 on model

platinum 2.25ct oval halo engagement ring with open twist diamond band ada diamonds design ad 179

platinum 2.25 carat oval cut halo lab diamond engagement ring with open twist diamond band on model ada diamonds design ad 279

18k white gold 1.25 ct custom oval twisting halo lab diamond engagement ring ada diamonds design ad 179

18k white gold 1.25 ct oval lab diamond in custom setting with twisting halo and twisting diamond band ada diamonds design ad 179 profile

platinum 1.25 carat oval lab diamond in custom twisting halo setting ada diamonds desing ad 179 model

14k yellow gold 1.5 carat oval lab diamond engagement ring with custom halo ada diamonds design ad 179

14k yellow gold halo engagement ring featuring 1.5 carat oval diamond ada diamonds design ad 179

2.5 Carat Custom Oval and Marquise Lab Diamond Engagement Ring in Platinum | Ada Diamonds

3 ct Custom Pear Halo Lab Diamond Engagement Ring With Marquise Band | Ada Diamonds

2.5 ct Custom Cushion Halo Lab Diamond Engagement RIng | Ada Diamonds

Custom By Pass Halo Lab Diamond Engagement Ring with Custom Wedding Band | Ada Diamonds

3 Carat Custom By Pass Halo Lab Diamond Engagement Ring | Ada Diamonds

2.5 Carat Custom Radiant Halo Lab Diamond Engagement Ring | Ada Diamonds

3ct Custom Cushion Cut Halo Lab Diamond Engagement Ring With Half Moon Side Stones | Ada Diamonds

1.25ct Custom Floral Halo Lab Diamond Engagement Ring in Platinum | Ada Diamonds

2 ct Pear Low Profile Custom Halo Lab Diamond Engagement Ring in White Gold | Ada Diamonds

1.75 Carats Custom Hexagon Halo Lab Diamond Engagement Ring in 18k White Gold | Ada Diamonds

Custom 7 Carat Pear and Baguette Lab Diamond Halo Engagement Ring and Nesting Band | Ada Diamonds

1.75 Carat Custom Vintage Inspired Round Lab Diamond Halo Engagement Ring in Platinum| Ada Diamonds

Custom 7 Carat Pear and Baguette Lab Diamond Halo Ring and Nesting Band Profile View | Ada Diamonds

3 ct Custom Pear Halo Lab Diamond Ring with Marquise Band in Platinum | Ada Diamonds

3 Carat Custom Pear Halo Lab Diamond Ring with Twisting Pavé Band in 18k Yellow Gold | Ada Diamonds

2.25ct Custom Pear Halo Lab Diamond Engagement Ring with Pavé Band in 14k Yellow Gold | Ada Diamonds

2.5 ct Round Lab Diamond Ring with Custom Antique Inspired Halo in Yellow Gold | Ada Diamonds

2 Carat Pear Lab Diamond Engagement Ring with Custom Half Halo in White Gold | Ada Diamonds

2 Carat Oval Lab Diamond Engagement Ring with Milgrain Halo in 18k Yellow Gold | Ada Diamonds

2ct Custom Round Lab Diamond Halo Engagement Ring with Double Pavé Bands Yellow Gold | Ada Diamonds

1.75 ct Princess Cut Lab Diamond Custom Halo Engagement Ring in Yellow Gold | Ada Diamonds

1.5 ct Custom Pear Half Halo Lab Diamond Engagement Ring in 14k Yellow Gold | Ada Diamonds

1.75ct Oval Lab Diamond Engagement Ring with Floral Halo in 14k Yellow Gold | Ada Diamonds

3ct Pear Custom Half Halo Lab Diamond Engagement Ring in Platinum with V Wedding Band | Ada Diamonds

Ada&#39;s engagement ring settings featuring a halo made of lab grown diamonds start at $2,250 USD (setting price only - center stone priced separately). Platinum available for an additional $300 fee.  Subject to availability and feasiblity. You will receive a custom quote for your desired custom design.

Add a halo of lab grown diamonds to any style you can imagine. Your Diamond Concierge is here to assist you in designing a stunning custom lab diamond halo engagement ring. Inquire to get started!

Custom Halo Setting

Custom Halo

Let us bring your custom lab created diamond halo engagement ring to life! All of Ada's bridal pieces are fully bespoke and made-to-order. Available options: platinum, 14k or 18k gold: white, yellow, rose. Our friendly Concierge are here to help you build a unique, stunning engagement ring with lab diamonds. Sustainable, conflict free, eco-friendly, affordable.