NYC Diamond District (47th St)
America's diamond district — one block of West 47th Street where an estimated 90% of US diamonds change hands, 2,600+ businesses deep
Dealing & retail
The Diamond District is a single block — West 47th Street between Fifth and Sixth Avenues in Midtown Manhattan, between Times Square and Rockefeller Center — through which an estimated 90% of the diamonds entering the United States pass. More than 2,600 businesses are packed into it, employing some 33,000 people and turning over on the order of $24 billion a year.
New York's diamond trade is older than the address: it began around 1790 on Maiden Lane in Lower Manhattan, then moved uptown in the 1920s and 30s — buildings purpose-built for the trade rose on West 47th from 1923, and the district was cemented by the thousands of European Jewish diamond merchants and artisans who fled Nazi persecution and reopened here.
It still runs like an old-world bazaar transplanted to a Manhattan block: dense wholesale marts and exchanges of small booths, loose diamonds and coloured stones, engagement rings, watches, and finished jewellery, traded at high volume in a fast, deal-oriented culture.
Planning to visit or buy in NYC Diamond District (47th St)?
Getting there and when to go, what a fair price looks like, how to verify what you're buying, and how to spot a fake — the practical, no-nonsense guide.
Read the buyer's guideWorked here
A gemstone is rarely mined, cut, dealt and sold in the same place — those are four different trades. Here is NYC Diamond District (47th St)'s part in that journey: the stones it handles, and exactly what it does with each.
- Trade
- dealt and wholesaled here
- Sell
- sold to the public here
- DiamondTradeSell
About 90% of the diamonds entering the United States cross this single Manhattan block — stones mined and cut elsewhere, concentrated here to be dealt and sold. The trade began downtown on Maiden Lane around 1790 and moved to West 47th Street in the 1920s–40s, cemented by Jewish dealers fleeing Antwerp and Amsterdam in 1941. It still runs on a handshake: million-dollar deals sealed with the words “mazal u'bracha,” disputes settled not in court but by the Diamond Dealers Club's own arbitration — and, increasingly, lab-grown stones on the same trays as mined.
The diamond gemstone
Makers & Houses
West 47th Street between Fifth and Sixth Avenues is the trade's American centre, where certified natural stones move from bourse and grading lab into the numbered booths and showrooms that sell them to the public.
The strip's defining bodies, the members-only Diamond Dealers Club and the GIA, GCAL and IGI grading labs, are not consumer shops. They anchor the trade but sell nothing over a counter.
- African & global minesSource
- Antwerp (cutting)Cut
- 47th StreetSell
Roman Malakov Diamonds
Known for natural-diamond engagement rings, coloured-diamond and gemstone rings, plus custom design
A three-generation family jeweller with a storefront at the Fifth Avenue corner of 47th Street, a clear consumer-facing house selling natural-diamond bridal and custom jewellery directly from the district.
Landsberg Jewelers
Known for diamond engagement rings, wedding bands, bridal and designer jewellery, plus custom design
A family-owned jeweller founded in 1948 with more than 70 years continuously on West 47th Street, one of the longest-standing consumer-facing storefronts on the strip, still selling from a numbered booth.
Israel Rose Jewelry
New York Estate JewelryKnown for vintage, estate and antique jewellery, Victorian, Edwardian, Art Deco and Retro engagement rings
A family-owned estate jeweller trading since 1973, specialising in genuine antique and period engagement rings, a distinct consumer niche of secondary-market historic pieces rather than new manufacture.
The New York Diamond Exchange (NYDEX)
Known for GIA-certified natural diamonds sold near wholesale, an 'Origins' lab-grown line, and a buying service for estate jewellery
A four-generation diamond-dealing family that sells GIA-certified stones directly to consumers and also buys diamonds and estate jewellery from the public, a two-way consumer-facing dealer.
Diamanti NYC
Known for diamonds, fine jewellery and watches sold from a district showroom
A named consumer showroom on 47th Street founded by three industry veterans with a live e-commerce site, a provable, buy-from house selling diamonds, jewellery and watches.
Diamonds by Lauren
Rock Diamond CorpKnown for loose earth-mined and lab-grown diamonds, fancy coloured-diamond jewellery, and custom pieces
A 47th Street diamond firm known for fancy coloured-diamond jewellery, with live consumer websites and a district office address.
Lauren B Jewelry & Diamonds
Known for custom engagement rings, certified loose diamonds, moissanite and fine bridal jewellery
A husband-and-wife firm that began in 1980 as a small booth in the Diamond District and grew into a well-known custom-bridal jeweller, a clearly consumer-facing house rooted in 47th Street.
- Diamond Dealers Club (DDC). The district's members-only diamond bourse. Trade infrastructure, not a consumer shop.
- Gemological Institute of America (GIA). Diamond grading laboratory whose certificates back district sales. A lab, not a retailer.
- Gem Certification & Assurance Lab (GCAL). Diamond grading and certification lab serving the trade.
- International Gemological Institute (IGI). Diamond and gem grading lab with a district presence.
- Lazare Kaplan International. Historic B2B diamond cutter and manufacturer, an ideal-cut pioneer.
- William Goldberg. Renowned 47th Street diamond house, predominantly high-end and trade rather than walk-in retail.
- International Gem Tower (50 W 47th St). Purpose-built vertical trade tower housing diamond and jewellery firms.
- 580 Fifth Avenue Exchange. Multi-tenant diamond-exchange building at the district's corner.
- Diamond District Partnership. The district's business improvement district and management organisation.
- Historical: relocation to West 47th Street. The trade moved from Maiden Lane and lower Manhattan from the 1920s; Jewish refugee merchants fleeing Nazi Europe entrenched it in the 1930s and 40s.
On the map
- West 47th St (5th–6th Ave)
- The diamond exchanges & marts
- The Diamond District BID
In the district
Walk the district
Traveller notes
The Diamond District is a unique, fast-paced destination for serious buyers and curious visitors alike. Walk 47th Street to see jewellers' showrooms, hidden office-rooms, appraisal benches and vaults — an intense, market-style experience that rewards preparation and patience. While many vendors welcome walk-ins, appointment bookings are common for high-value purchases or bespoke work; bring ID and be prepared to request written certification for any diamond purchase.
- Do your homework: learn the 4Cs (cut, colour, clarity, carat) before shopping and ask for grading reports from reputable labs.
- Get it in writing: always obtain a sales slip with return policy and any grading/certification included.
- Watch the pace: expect high-energy stalls and assertive sales tactics — don't be rushed into a decision.
- Best times: weekday mornings are quieter and better for appointments or serious buying.
- Learn the layout: many reputable multi-tenant marts (e.g., Futurama and similar exchanges) concentrate dozens of vendors under one roof — these are good starting points.
- Context & history: 47th Street's diamond trade traces to early-20th-century migrations of European jewellers and expanded through the 1920s onward, with long-standing family firms and close-knit trade networks shaping the district's character.
