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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.

Princess Trellis Solitaire - 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_!

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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

Asscher Trellis Solitaire

Cushion Trellis Solitaire

Emerald Trellis Solitaire

Oval Trellis Solitaire

Round Trellis Solitaire

Radiant Trellis Solitaire

White Gold Princess Trellis Solitaire featuring Lab Created Diamonds (Main View)

Diamonds Princess Trellis Solitaire Diamond Engagement Ring in White Gold (Profile View)

Diamonds Princess Trellis Solitaire Diamond Engagement Ring in White Gold (Side View)

Lab Diamonds set in Yellow Gold Princess Trellis Solitaire Diamond Engagement Ring (Main View)

Synthetic Diamonds set in Yellow Gold Princess Trellis Solitaire (Main View)

Lab Grown Diamonds Princess Trellis Solitaire Diamond Engagement Ring in Rose Gold (Main View)

Rose Gold Princess Trellis Solitaire featuring Exceptional Quality Lab Grown Diamonds (Main View)

white gold 2.25 carat princess cut lab created diamond solitaire engagement ring ada diamonds design 342 macro

platinum 2.25 ct princess cut trellis solitaire made with lab diamond ada diamonds design ad 342 profile

white gold 2.25 ct princess cut lab grown diamond in trellis solitaire engagement ring ada diamonds design ad 342 profile

14k white gold 1ct Princess Cut Lab Diamond Solitaire Ada Diamonds Design AD-342 Artistic

Platinum 1ct Princess Solitaire Lab Diamond Engagement Ring Ada Diamonds Design AD-342 Profile View

Platinum 3 Carat Princess Solitaire Lab Diamond Engagement Ring Ada Diamonds Design AD-342 Macro

1.0 Carat Man Made Diamonds set in White Gold Princess Trellis Solitaire (Main View)

white gold 2.25 carat princess trellis lab diamond solitaire engagement ring ada diamonds design ad 342 on model

3.0 Carat Lab Diamonds Princess Trellis Solitaire Diamond Engagement Ring in Platinum (Main View)

3ct Princess Cut Lab Created Diamond Solitaire Wedding Ring Ada Diamonds Design AD-342 Profile on Hand

2.25 Carat Lab Diamonds Princess Trellis Solitaire Diamond Engagement Ring in Platinum (Main View)

2.25ct Princess Trellis Solitaire Engagement Ring in Platinum

Platinum Princess Trellis Solitaire featuring 2.25 ct Lab Diamonds (Profile View)

2.25ct Princess Trellis Solitaire Engagement Ring in Platinum Profile View

Your Choice of Gold: $1,350 USD Platinum: $1,600 USD Pricing is for setting only - center stone priced separately. Add a hidden halo for $500 USD.

Romantic and elegant, this setting features petite prongs and a trellis basket. Customize your lab diamond solitaire engagement ring with band widths of 1.8-2.5mm. 

Princess Trellis Solitaire

Trellis Solitaires

Custom made-to-order round solitaire 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.