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Trade only · New York & Los Angeles

Wholesale Diamond Jewelry

Rings, eternity bands, tennis bracelets, necklaces, studs and pendants, in 14K and 18K gold. In stock in New York and Los Angeles, ready to ship to your store.

3,000+Pieces in stock
3,000+Trade accounts
NY · LAShip same day
Graduated lab-grown diamond tennis necklace, 14K white gold Graduated tennis necklace · New York
ShippingSame day on orders before 6 PM ET
MinimumNo MOQ, paid per piece
Metals14K & 18K gold, silver, platinum
Returns14-day free return
Custom4–6 working days from approved CAD
Shop by type

Wholesale rings, bands, earrings, bracelets, necklaces and pendants

Point at a type to see it on film. Each page opens our live stock with the full filter sidebar: style, setting, center shape, carat, metal, size and location.

Browse all jewelry
Engagement rings · In stock and made to order

Wholesale engagement rings, in stock or built to spec

Solitaire and Three-Stone engagement rings in stock, ready to ship. Or send a sketch: 24-hour CAD, then 4–6 working days from approved CAD to the finished ring.

Popular styles

Tennis bracelets, eternity bands, studs and more

The styles jewelers reorder most. Every style has its own page with the live stock, already filtered.

Guru Diam design catalog

Featured diamond jewelry designs

A few designs from our catalog, each with its design code. Sign in for trade price and live stock, or ask for a quote on any design.

See all jewelry
Why jewelers buy from us

A wholesale jewelry supplier that works like your back office

Open a trade account
3,000+jewelry pieces in stock

Ready to ship from New York and Los Angeles.

3,000+trade accounts

Jewelers, retailers and designers buy with us.

6 PM ETsame-day cut-off

Orders before 6 PM ET ship the same day.

14 daysfree return

Every order can be returned free within 14 days.

Memoterms for approved accounts

Take pieces on memo to show your clients.

1dedicated account manager

One contact for orders, memo and custom work.

4–6working days, custom

From approved CAD to finished piece. Custom jewelry

NY + LAshowrooms

Visits by appointment. Book a visit

Guru Diam · NYC Diamond District + Los Angeles

Wholesale diamond jewelry from New York's Diamond District

Guru Diam is a wholesale diamond jewelry supplier for the trade, based at 36 W 47th St in New York's Diamond District with a second office at 607 S Hill St in the Los Angeles diamond district. Jewelers, retailers and designers buy finished lab-grown and natural diamond jewelry from us, along with loose lab-grown diamonds and certified natural diamonds for their own settings.

The most-ordered pieces are diamond tennis bracelets and tennis necklaces, eternity bands, lab-grown diamond stud earrings and solitaire engagement rings. Every piece is labelled lab-grown or natural, and shows its metal, total carat weight and location.

Need a different metal, ring size or center diamond? Our custom jewelry team turns a sketch into CAD in 24 hours and a finished piece in 4–6 working days. Check sizes with the diamond size chart (mm to carat).

Prices are shown to trade accounts only. Open a trade account (approved the same business day before 4 PM ET), or read about Guru Diam.

Trade questions

Wholesale jewelry FAQ

Do you sell diamond jewelry to consumers?

No. Guru Diam is a trade-only wholesaler. We sell to verified jewelers, retailers, designers and manufacturers. Open a trade account to see prices and order.

Do you carry lab-grown and natural diamond jewelry?

Yes, both. Every piece is labelled lab-grown or natural, and we never mix the two in one piece or one listing filter.

Can I change the metal or ring size?

Yes. We work in 14K and 18K gold, silver and platinum. Custom pieces take 4–6 working days from approved CAD; complex pieces may take 2–3 weeks.

How fast do in-stock pieces ship?

Orders placed before 6 PM ET ship the same day. International delivery takes 3–4 business days.

Can I return a piece or take it on memo?

Every order has a 14-day free return. Approved trade accounts can also take pieces on memo.

Why can't I see prices?

Prices are for trade accounts only. Sign in, or open a trade account; approval is same business day if you apply before 4 PM ET.

Stock your store with diamond jewelry

3,000+ trade accounts already buy from our New York and Los Angeles offices.