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IGI & GIA Certified 10,000+ Stones in Stock Same-Day Shipping Live Wholesale Pricing Antique & Rare Cuts API Integration NYC & LA Offices Memo Terms for Trade IGI & GIA Certified 10,000+ Stones in Stock Same-Day Shipping Live Wholesale Pricing Antique & Rare Cuts API Integration NYC & LA Offices Memo Terms for Trade
Experience

The Diamond Revolution

Discover diamonds presented with exceptional clarity so you know exactly what you're getting.

32 princess cut lab-grown diamond shape
Princess
32 Emerald cut lab-grown diamond shape
Emerald
32 Round cut lab-grown diamond shape
Round
32 radiant cut lab-grown diamond shape
Radiant
32 Pear cut lab-grown diamond shape
Pear
32 marquise cut lab-grown diamond shape
Marquise
32 heart cut lab-grown diamond shape
Heart
32 oval cut lab-grown diamond shape
Oval
32 Cushion cut lab-grown diamond shape
Cushion
PEAR DIAMOND

100% Certified

From Seeds To Jewelry — All In-House

Affordable Luxury & Sustainable Choice

Jeweller setting a stone in a ring

Customize Your Jewelry

Follow a four-step process to create a one-of-a-kind jewelry piece according to your preference and style.

Book Virtual Appointment

Whether you need help, our jewellery specialists are here to assist you.

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Specialist presenting a ring in a box

Today's

Fresh Arrivals

Freshly updated wholesale stock of certified lab-grown diamonds, added daily.

Trusted by

The Global Diamond Trade

Supplying certified lab-grown diamonds to jewelers, designers, retailers, and manufacturers worldwide.

Retailers
Jewelers
Designers
Manufacturers

What

Our Trade Partners Say

Feedback from professionals who rely on BRAND Diam for consistent wholesale supply.

J
James K.
Diamond Trader
★★★★★

Reliable service and transparent communication. Orders are processed quickly, and delivery timelines are always met.

S
Sophie L.
Retail Jewelry Buyer
★★★★★

Their inventory is always well-curated, and the detailed specifications help us make quick and confident purchasing decisions.

D
Daniel H.
Wholesale Diamond Trader
★★★★★

Custom sourcing requests are handled efficiently, even when we need specific sizes, colors, or layouts within tight timelines.

L
Laura K.
Retail Jewelry Buyer
★★★★★

Wholesale pricing remains competitive, especially for volume orders. Stock updates are timely, which helps us plan purchases with confidence.

M
Michael R.
Jewelry Buyer
★★★★★

The consistency in diamond quality and grading accuracy has made our production process much smoother and more reliable.

E
Emily R.
Luxury Boutique Buyer
★★★★★

Their curated selections and fast certifications help us keep our premium clientele happy without delays.