What Diamond Distributors does

Diamond Distributors Inc. (DDI) is a privately held, boutique diamond manufacturer and global supplier founded in 1938 and headquartered at 608 5th Avenue in New York, with additional offices in Hong Kong and a cutting/production facility in Ramat Gan, Israel. The company operates across the rough-to-polished diamond value chain: it sources rough diamonds from Russia, Belgium, Africa, Brazil, and Israel — notably as De Beers' second site-holder, a relationship in place since founding — and processes them through in-house master cutters using state-of-the-art machinery to produce polished white diamonds (D–Z colors) and natural fancy color diamonds (blue, pink, red, green, orange, purple) ranging from 2 to 100 carats across cuts including pear, emerald, radiant, cushion, old mine, oval, and round brilliant.

The business is structured around three revenue streams: rough diamond sales, polished diamond sales (certificate and non-certificate), and an estate buying service that purchases fine diamonds, gemstones, and antique jewelry from Victorian, Art Nouveau, Edwardian, Art Deco, and Retro periods. Pricing is transaction-based and quote-driven with no public price list; revenue is generated per carat/per stone rather than via subscription or licensing models. Distribution is B2B-only, delivered through consultative, relationship-driven direct sales from the three global offices and a recurring presence at major industry trade shows (Baselworld, JCK Las Vegas, HKTDC Hong Kong Diamond & Gem Show, June and September Hong Kong Jewellery & Gem Fairs). The primary customer segment is jewelry manufacturers, with secondary segments of high-net-worth collectors/connoisseurs and estate sellers; no named customer accounts or logos are publicly disclosed.

Operationally, DDI runs lean — between 11 and 50 employees — and is privately held with no disclosed funding rounds, no parent company, no subsidiaries, and no management team information publicly available. There is no evidence of digital product, no API or software offering, no AI/ML capability, and no patents or certifications. The company's competitive position rests on its 85-year brand, the De Beers site-holder relationship, master cutter talent, and a multi-generational global trade show and office-based distribution footprint.

Name

Diamond Distributors

Legal name

Diamond Distributors, Inc.

Website

https://ddidiamond.com

Company type

Private

Founded year

1938

Operating status

Operating

Headcount range

11–50 employees

Short description

Diamond Distributors is a privately held boutique diamond manufacturer and B2B supplier, founded in 1938 and operating as De Beers' second site-holder. It sources rough diamonds globally and sells polished white and fancy color diamonds (2–100 carats) to jewelry manufacturers, collectors, and estate sellers from offices in New York, Hong Kong, and Israel.

Ownership category

akta.pro rank

Product category

Diamond Manufacturing and Distribution

NAICS

Jewelry, Watch, Precious Stone, and Precious Metal Merchant Wholesalers (423940)

SIC

Jewelry, Precious Metal (3911), Wholesale-Jewelry, Watches, Precious Stones & Metals (5094)

akta.pro primary industry

Diamond Cutting & Polishing (Manufacturing) (CRAKAJAA)

akta.pro secondary industries

Diamond Jewelry (CRAKAAAA), Rough Diamond Trading & Brokerage (CRAKAJAC), Polished Diamond Trading & Brokerage (CRAKAJAD)

Keywords

• Rough diamond manufacturing
• Polished diamond distribution
• Fancy color diamonds
• Estate jewelry buying
• Diamond cutting services

Headquarters

HQ city

New York

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Infrastructure, Personnel, Marketing or Sales

Revenue model

1. Rough Diamond Sales: Sourcing and selling rough diamonds acquired from Russia, Belgium, Africa, Brazil and Israel. As De Beers' second site-holder, they have access to premium rough diamond supply.
2. Polished Diamond Sales: Manufacturing and selling polished diamonds ranging from D color to fancy colors, sizes from 2 to 100 carats. Includes both certificate and non-certificate diamonds.
3. Estate Jewelry Buying: Purchasing fine diamonds, gemstones and jewelry pieces from estate sellers, including antique jewelry from Victorian, Art Nouveau, Edwardian, Art Deco, and Retro eras.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Diamond Distributors Inc. is a boutique manufacturer and global supplier of exclusive rough and polished diamonds. The company sources rough diamonds from Russia, Belgium, Africa, Brazil, and Israel — leveraging its status as De Beers' second site-holder — and cuts them into polished white diamonds (D-Z colors, 1-100 carats) and natural fancy color diamonds (blue, pink, red, green, orange, purple) in sizes from 2 to 100 carats across multiple cuts. The company also purchases estate and antique jewelry pieces from individual sellers.

Product overview

Diamond Distributors Inc. (DDI) is a boutique diamond manufacturer and global supplier founded in 1938, operating as a single unified business focused on rough and polished diamond trading. The company maintains offices in New York, Hong Kong, and Tel Aviv, with cutting operations in Israel and New York. DDI's product portfolio centers on rough diamonds acquired from Russia, Belgium, Africa, Brazil, and Israel, which are processed through their master cutting services into polished diamonds. The company specializes in both white diamonds (D-Z colors, 1-100 carats) and natural fancy color diamonds (blue, pink, red, green, orange, purple in 1-100 carat ranges). Their polished diamond collection includes various cuts such as Pear Shaped, Emerald Cut, Radiant Cut, Cushion Cut, Old Mine Cut, Oval Cut, and Round Brilliant diamonds. Additionally, DDI offers an Estate Buying Service for purchasing fine diamonds, gemstones, and antique jewelry pieces, along with educational resources on the Four Cs of diamond evaluation and a Look Book catalog.

Differentiator

Problem solved

Functional benefit

Products and services

• Rough Diamonds Complex rough diamonds acquired from Russia, Belgium, Africa, Brazil, and Israel through DDI's De Beers second site-holder relationship, serving as the foundational inventory for DDI's cutting operations. Sold to jewelry manufacturers as wholesale rough inventory.
• Polished White Diamonds White polished diamonds ranging from D-Z colors, available in certificate and non-certificate options between 1 and 100 carats. Sold to jewelry manufacturers and collectors across cuts including Pear Shaped, Emerald Cut, Radiant Cut, Cushion Cut, Old Mine Cut, Old Mine Cushion Cut, Oval Cut, and Round Brilliant.
• Fancy Color Diamonds Natural fancy color diamonds in hues including blue, pink, red, green, orange, and purple, ranging from 1 to 100 carats. Targeted at luxury jewelry manufacturers, collectors, and connoisseurs seeking investment-grade colored stones.
• Master Cutters Services Expert diamond cutting services utilizing experienced staff, state-of-the-art machinery, and detailed planning to maximize brilliance and beauty of each diamond individually. Provided as part of DDI's boutique manufacturing operations.
• Estate Buying Service Purchase of fine diamonds, gemstones, and jewelry pieces including antique jewelry from Victorian, Art Nouveau, Edwardian, Art Deco, and Retro eras. DDI provides highest resale value for estate pieces through fair market valuation and access to a vast network of estate buyers and sellers.

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• De BeerscoreStrategic or Co-development Partner · 1 January 1938Diamond Distributors Inc. is proud to have stood as De Beers' second site-holder for rough diamonds. This historic partnership, established when the company was founded in 1938, provides them with direct access to premium rough diamond supply from the world's leading diamond mining company.

Scale indicators3 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Mouawad: Family-owned diamond cutting/jewelry house with operations in Geneva, Beirut and Hong Kong; comparable as a vertically integrated rare-stone manufacturer and luxury jewelry supplier with global reach.
• De Beers Group: Long-standing DDI partner and the world's most recognised diamond mining/marketing group; a broad incumbent that both supplies rough to DDI and competes for downstream polished-trading and sightholder relationships.
• Alrosa: World's largest rough diamond producer and a major global diamond supplier; a broad incumbent upstream of DDI that competes for B2B rough supply relationships and trading volume in the same end market.
• Harry Winston (Swatch Group brand): Vertically integrated luxury jeweller historically operating own mines and cutting facilities for ultra-rare stones; comparable as a peer operating in the rare/fancy color diamond segment serving ultra-high-net-worth buyers.

Emerging players

• Blue Nile (Signet Jewelers): Online diamond retailer enabling consumers and small jewelers to source certified diamonds; adjacent channel in the polished-diamond distribution stack where DDI competes for jeweler procurement wallet share.

Direct peers

• Dalumi Diamonds: Israel-based polished diamond manufacturer and De Beers sightholder offering a wide range of certified and non-certified stones; closely comparable as a mid-sized specialist diamond manufacturer with global B2B distribution.
• Rosy Blue: Globally diversified polished diamond manufacturer and supplier headquartered in Antwerp/Mumbai/HK; a direct competitor in B2B polished diamond trading to jewelry manufacturers and retailers worldwide.
• KGK Group: India/Hong Kong-based integrated diamond mining, cutting and trading group with global sourcing; directly comparable as a vertically integrated rough-to-polished diamond supplier serving the jewelry trade.
• Leo Schachter Diamonds: Israel-based diamond manufacturer specializing in precision-cut polished diamonds across a wide range of shapes and sizes, directly comparable to DDI's cutting capabilities and B2B manufacturer model.
• Lazare Kaplan International: Long-standing U.S.-based rough and polished diamond manufacturer with De Beers sightholder heritage; comparable as a boutique diamond cutter and global supplier serving jewelry manufacturers with rare stones.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Diamond Distributors