Antique cuts & fancy colors, wholesale for the trade.
Old miner, euro cut, moval, rose cut, kite, shield and dozens more antique and exotic cuts, plus fancy colors from yellow to red. IGI & GIA certified lab-grown diamonds, loose and in calibrated melee, at wholesale pricing.
HD · tap any diamond
Tell us the cuts and colors. We send trade pricing.
Tick what you source and roughly how much. We reply within one business day with wholesale pricing, what's on hand in your shapes and sizes, and a named contact. Looking for something specific? We can source it or cut it to your spec.
Antique & exotic cuts, one supplier.
Seven fancy colors, three intensities.
On the floor, ready to ship.
Unusual cuts. Ordinary paperwork.
Every diamond is IGI or GIA certified, antique and exotic cuts included.
Each diamond lists its certificate number, checkable on the IGI or GIA website.
Color melee ships with parcel-level certification.
If a diamond doesn't match its certified specs, we replace it or refund in full.
Can't find the cut? We'll cut it.
Antique cuts, fancy shapes and signature cuts on request. Minimum 0.50ct finished weight, seven to fourteen business days.
Matched pairs for earrings and side stones, and custom layouts or assortments on demand.
Send the diamond to our bench: finished rings in four to six business days from CAD approval, white-label or drop-shipped.
Old miner & euro cut centers, in vintage mounts.
Trusted by 2,000+ trade accounts.
The only vendor I trust for calibrated fancy color melee. What I order is what arrives, every time.Michael AvilaAvila Bench Services · NYC
Their service is on a different level. One call and everything arrives same day.Daniel RosenRosen Fine Jewelers · Costa Mesa, CA
I used to call five suppliers and pay five shipping bills. Now I call Guru Diam once.Sarah KaminskyKaminsky & Co. · Houston, TX
Before you request pricing.
Which antique and exotic cuts do you carry? +
Old miner, euro cut, moval, old mine oval, old mine pear, rose round, hexagon, hexagon brilliant, kite, shield, trillion, criss cut, oval and pear step cuts, lozenge, bullet, Portuguese, coffin, star, octagon, baguette and more. If a cut, size or grade isn't listed, our team can source it or cut it to your spec.
Are antique cuts and fancy colors certified? +
Yes. Every diamond is IGI or GIA certified, your choice of lab. Parcel goods such as color melee carry parcel-level certification, and individual certs are sent digitally at order confirmation.
Which fancy colors and intensities? +
Yellow, pink, blue, green, red, brown and black, in fancy, intense and vivid. Available loose and as calibrated melee, graded for consistent color across a parcel.
Are these lab-grown diamonds? +
Yes. The antique cuts and fancy colors on this page are lab-grown, chemically identical to mined diamonds. Ask us if you also need natural diamonds.
Is there a minimum order? +
No strict minimum for certified loose diamonds: buy a single diamond or a full parcel. Custom cutting starts at 0.50ct finished weight.
Do you offer memo? +
Yes, short-term and long-term memo for qualified trade buyers, so you can hold or borrow diamonds before committing. Applications are reviewed in one to two business days.
Do you sell to the public? +
No. Guru Diam is B2B only, for jewelers, retailers, designers and manufacturers.
36 West 47th Street, Suite 601A
New York, NY 10036
607 S Hill Street, Suite #241
Los Angeles, CA 90014
+1 (201) 969-5916
Send specs, get matches