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Bespoke lab diamond jewelry handcrafted in the US — Jewelry by Cleo

lab-grown diamonds, gold, and platinum, designed entirely around you

Bespoke fine jewelry, handcrafted in the US

★★★★★ Loved by 250+ clients

I’ve been on a bit of a journey, 15 years into our marriage trying to go back and fix the mistake I made when I selected my engagement ring. I was trying to compromise, and I just didn’t get anything like what I wanted. So, over the past few years I’ve just been buying a lot of new rings, hoping that one of them would fill that hole. Some of those rings have bigger stones or look flashier, and they just didn’t do the trick. This one fills that hole! I feel like this is the one that 25-year-old me really wanted, and now the ring I wear can match how I feel about my relationship with my husband. It means so much!

Shawna, custom engagement ring upgrade

I just got a ring remake back from and I have to share!!! I had this OMC wedding band and I didn’t love how it paired with my 3 stone engagement ring (also from JbC). It felt incomplete, needed more gold, needed more vintage flare. I asked Gabby if we could remake it together by using my stones - they’re expensive and I wanted to keep them! Short answer? YES! We went through a few design ideas until landing on this one. No problem timing wise, because the CAD updates were made in ONE DAY. Once we landed on the final design, I shipped my ring off and it was completed in less than a week Which my instant gratification loving self is so happy about And best part? It’s GORGEOUS!!! My wedding set feels like 100% mine now I forgot to mention!!! I was able to recycle the gold from my 'before' setting and get credit for it toward the new setting. Literally seamless.

Alexandra, custom heirloom reset

I was super skeptical about ordering a diamond ring online but this was a great experience! I wasn’t in a hurry so didn’t mind the wait. Communication was great, can’t say enough good things!

Regina, custom engagement ring upgrade

The Meridian Solitaire Ring

Atelier & Full Custom

From hand sketch to finished masterpiece. Create your dream piece with our bespoke atelier service.

Contact us
Silver ring with three pear-shaped diamonds on a white background

Curated Collection & Stone Search

Explore our expertly curated collection or let us source the perfect stone for your vision.

Explore collection

Our Custom Design Process

From vision to reality, we guide you through every step of creating your perfect piece
1

Consultation & Vision

Share your vision with us. We'll discuss your style, preferences, and budget to understand exactly what you're looking for.
2

Stone Selection & Video

Choose from our curated selection of lab-grown diamonds. We'll provide detailed videos and specifications for each stone.
3

CAD Design & Rendering

Our designers create detailed 3D CAD models and photorealistic renderings so you can visualize your piece before it's made.
4

Crafting & Delivery

Our master jewelers bring your design to life with meticulous craftsmanship. Your finished piece is delivered ready to cherish.

Free insured shipping within the US

Free shipping within the US. Tracking and optional signature included.

High-Touch Support, Human-Led Design

Contact Gabrielle, our concierge, for order support or to inquire about a bespoke project.

Secure payment

Protecting Your Transactions: Ensuring Secure Payments Every Time.

The tweezer guarantee

You see every moment.

The curator behind the vault

Hi, I'm Gabrielle.

I started Jewelry by Cleo with one belief: that the most meaningful pieces of jewelry in your life should come with complete transparency — on the stone, the craft, and the price. No markups that exist just because they always have. No process that leaves you guessing.

Most people find JbC because they're looking for a diamond. They stay because they found a partner in the process.

I spend my days scrolling thousands of lab-grown and natural stones, looking for the ones with that specific, watery sparkle a lab report simply can't describe. The perfect ratio. Zero fuzzy inclusions. The needle in the haystack.

"If I wouldn't wear it on my own hand, it doesn't make it into the shop. Period."

Whether I'm filming a 4K tweezer video in the morning sun to show you a stone's true color, or chatting with you on WhatsApp about the perfect length-to-width ratio — I am here to be your eyes on the ground.

Luxury craftsmanship at insider prices. No retail markups. Just beautiful stones and honest advice.

If I wouldn't wear it on my own hand, it doesn't make it into the shop. Period.

Talk to Gabrielle →