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_!

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

ER-MB-Number-0

ER-MB-Number-1

ER-MB-Number-2

ER-MB-Number-3

ER-MB-Number-4

Cushion Classic Four Prong Pavé Setting

Emerald Classic Four Prong Pavé Setting

Round Classic Four Prong Pavé Setting

Oval Classic Four Prong Pavé Setting

Princess Classic Four Prong Pavé Setting

Radiant Classic Four Prong Pavé Setting

Asscher Classic Four Prong Solitaire

White Gold Asscher Classic Four Prong Pavé Diamond Engagement Ring featuring Man Made Diamonds (Main View)

White Gold Asscher Classic Four Prong Pavé Setting featuring Lab Diamonds (Profile View)

Exceptional Quality Lab Diamonds Asscher Classic Four Prong Pavé Setting in White Gold (Side View)

Hand Selected Lab Diamonds set in Yellow Gold Asscher Classic Four Prong Pavé Setting (Main View)

High Quality Lab Diamonds set in Yellow Gold Asscher Classic Four Prong Pavé Setting (Main View)

Diamonds Asscher Classic Four Prong Pavé Diamond Engagement Ring in Rose Gold (Main View)

Lab Created Diamonds set in Rose Gold Asscher Classic Four Prong Pavé Diamond Engagement Ring (Main View)

Diamonds set in Platinum & Yellow Gold Asscher Classic Four Prong Pavé Setting (Main View)

Platinum & Yellow Gold Asscher Classic Four Prong Pavé Diamond Engagement Ring featuring Lab Diamonds (Profile View)

Lab Diamonds set in Platinum & Yellow Gold Asscher Classic Four Prong Pavé Setting (Profile View)

Diamonds set in Platinum & Rose Gold Asscher Classic Four Prong Pavé Setting (Main View)

Platinum & Rose Gold Asscher Classic Four Prong Pavé Setting featuring Exceptional Quality Synthetic Diamonds (Profile View)

Man Made Diamonds set in Platinum & Rose Gold Asscher Classic Four Prong Pavé Diamond Engagement Ring (Main View)

Diamonds set in Platinum & Rose Gold Asscher Classic Four Prong Pavé Diamond Engagement Ring (Profile View)

Your Choice of Gold:  1.6mm Side Stones (0.40ctw): $2,450 USD 1.8mm Side Stones (0.50ctw): $2,550 USD 2.0mm Side Stones (0.60ctw): $2,650 USD 2.2mm Side Stones (0.70ctw): $2,750 USD 2.4mm Side Stones (1.0ctw): $3,150 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.

Classic and timeless, this setting features four prongs for maximum security. Customize your lab diamond engagement ring with diamond sizes of 1.6-2.5mm in 3/4, half, or eternity coverage.

Pavé Standard

Asscher Classic Four Prong Pavé Setting

Classic Pavé

Custom made-to-order asscher pave 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.