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.

Cushion Classic Four Prong Pavé Setting - Ada Diamonds

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

ER-MB-Number-0

ER-MB-Number-1

ER-MB-Number-2

ER-MB-Number-3

ER-MB-Number-4

Asscher 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

Cushion Cathedral Solitaire

Exceptional Quality Lab Diamonds Cushion Classic Four Prong Pavé Diamond Engagement Ring in White Gold (Main View)

Diamonds set in White Gold Cushion Classic Four Prong Pavé Diamond Engagement Ring (Main View)

Diamonds Cushion Classic Four Prong Pavé Diamond Engagement Ring in White Gold (Profile View)

White Gold Cushion Classic Four Prong Pavé Diamond Engagement Ring featuring Hand Selected Lab Created Diamonds (Profile View)

Diamonds Cushion Classic Four Prong Pavé Setting in White Gold (Side View)

White Gold Cushion Classic Four Prong Pavé Diamond Engagement Ring featuring Exceptional Quality Man Made Diamonds (Side View)

Diamonds Cushion Classic Four Prong Pavé Setting in Yellow Gold (Main View)

Yellow Gold Cushion Classic Four Prong Pavé Setting featuring Created Diamonds (Main View)

Diamonds set in Yellow Gold Cushion Classic Four Prong Pavé Diamond Engagement Ring (Main View)

Yellow Gold Cushion Classic Four Prong Pavé Setting featuring Lab Diamonds (Main View)

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

Diamonds Cushion Classic Four Prong Pavé Setting in Rose Gold (Main View)

Hand Selected Diamonds Cushion Classic Four Prong Pavé Diamond Engagement Ring in Rose Gold (Main View)

Lab Created Diamonds set in Rose Gold Cushion Classic Four Prong Pavé Setting (Main View)

Lab Diamonds Cushion Classic Four Prong Pavé Diamond Engagement Ring in Platinum & Yellow Gold (Main View)

Platinum & Yellow Gold Cushion Classic Four Prong Pavé Setting featuring Lab Diamonds (Main View)

Platinum & Yellow Gold Cushion Classic Four Prong Pavé Diamond Engagement Ring featuring Man Made Diamonds (Profile View)

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

Hand Selected 2.0 Carat Lab Grown Diamonds Cushion Classic Four Prong Pavé Diamond Engagement Ring in Platinum & Yellow Gold (Main View)

2.0 ctw Man Made Diamonds Cushion Classic Four Prong Pavé Setting in Platinum & Yellow Gold (Main View)

Man Made Diamonds set in Platinum & Yellow Gold Cushion Classic Four Prong Pavé Setting (Profile View)

Diamonds Cushion Classic Four Prong Pavé Diamond Engagement Ring in Platinum & Yellow Gold (Profile View)

Lab Diamonds Cushion Classic Four Prong Pavé Setting in Platinum & Rose Gold (Main View)

High Quality Created Diamonds Cushion Classic Four Prong Pavé Diamond Engagement Ring in Platinum & Rose Gold (Main View)

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

High Quality Synthetic Diamonds Cushion Classic Four Prong Pavé Diamond Engagement Ring in Platinum & Rose Gold (Profile View)

Platinum & Rose Gold Cushion Classic Four Prong Pavé Diamond Engagement Ring featuring Synthetic Diamonds (Main View)

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

Diamonds Cushion Classic Four Prong Pavé Setting in Platinum & Rose Gold (Profile View)

Platinum & Rose Gold Cushion Classic Four Prong Pavé Diamond Engagement Ring featuring Lab Grown Diamonds (Profile View)

Platinum 3 Carat Cushion Cut Lab Diamond In Classic Four Prong Pavé Setting Ada Diamonds Design AD-358 Artistic

18k White Gold 3ct Square Cushion Cut Lab Diamond Pavé Ring Profile View

High Quality Lab Diamonds set in Cushion Classic Four Prong Pavé Diamond Engagement Ring

2.5 ct Lab Diamonds set in Platinum Cushion Classic Four Prong Pavé Setting (Profile View)

18k Rose Gold 2ct Cushion Cut Pavé Lab Diamond Ring Ada Diamonds Design AD-358 Macro

14k Rose Gold 1.75ct Cushion Cut Lab Diamond Pavé Ring Ada Diamonds Design AD-358 Profile

1.25 Carat Lab Grown Diamonds set in Platinum Cushion Classic Four Prong Pavé Diamond Engagement Ring (Main View)

1.25 Carat Lab Diamonds set in Platinum Cushion Classic Four Prong Pavé Setting (Side View)

High Quality 1.5 Carat Lab Created Diamonds set in Platinum Cushion Classic Four Prong Pavé Diamond Engagement Ring (Main View)

14k Rose Gold 2 Carat Cushion Cut Lab Diamond Engagement Ring Ada Diamonds Design AD-358 on Model

2.0 Carat Lab Diamonds set in Platinum Cushion Classic Four Prong Pavé Setting (Main View)

Platinum 3 Carat Cushion Cut Lab Diamond In Classic Four Prong Pavé Setting Ada Diamonds Design AD-358 on Model

Exceptional Quality 2.5 ct Lab Created Diamonds set in Platinum Cushion Classic Four Prong Pavé Setting (Main View)

2.5 Carat Lab Diamonds set in Platinum Cushion Classic Four Prong Pavé Diamond Engagement Ring (Main View)

comparison of 1.6, 1.8, 2.0, and 2.2mm pavé band engagement ring widths with lab diamonds on model ada diamonds

High Quality 1.25 Carat Diamonds set in Platinum Cushion Classic Four Prong Pavé Diamond Engagement Ring (Main View)

1.75ctw Cushion Classic Four Prong Pavé Engagement Ring in Platinum

1.25 Carat Synthetic Diamonds Cushion Classic Four Prong Pavé Diamond Engagement Ring in Platinum (Profile View)

1.75ctw Cushion Classic Four Prong Pavé Engagement Ring in Platinum Profile View

Rose Gold Cushion Classic Four Prong Pavé Diamond Engagement Ring featuring 1.75 Carat Lab Created Diamonds (Main View)

2ctw Cushion Classic Four Prong Pavé Engagement Ring in 14k Rose Gold

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 lovely, 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

Cushion Classic Four Prong Pavé Setting

Classic Pavé

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