#1 Diamond Source

#1 Diamond Source company information, Employees & Contact Information

Updated May 2026

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#1 Diamond Source is a Wholesale company and founded in 1991. It has approximately 1 employees on record. Contact data was last refreshed in May 2026. Find #1 Diamond Source's verified employee emails, phone numbers, headquarters address, and key decision makers below.

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#1 Diamond Source sells loose diamonds at wholesale prices for custom designed engagement rings and diamond studs. Our dedicated GIA Graduate Gemologist and diamond specialists are passionate about giving genuine personal service and expert guidance and we can custom set your loose diamond choice in our own factory to your exact specifications at a much lower cost. Our huge selection of GIA certified loose diamonds are guaranteed to originate from ethical and socially responsible sources. Members of: The Better Business Bureau, Jewelers Vigilance Committee, Stopblooddiamonds.org.

Company Details

Employees
1
Founded
-
Address
36 W 47 St, New York,ny 10036,united States
Industry
Wholesale
NAICS
Wholesale Trade
Merchant Wholesalers, Durable Goods
Merchant Wholesalers, Nondurable Goods
Office Equipment Merchant Wholesalers
Other Commercial Equipment Merchant Wholesalers
Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
Ophthalmic Goods Merchant Wholesalers
Other Professional Equipment and Supplies Merchant Wholesalers
Sporting and Recreational Goods and Supplies Merchant Wholesalers
Toy and Hobby Goods and Supplies Merchant Wholesalers
Other Miscellaneous Durable Goods Merchant Wholesalers
Farm Supplies Merchant Wholesalers
Book, Periodical, and Newspaper Merchant Wholesalers
Flower, Nursery Stock, and Florists' Supplies Merchant Wholesalers
Tobacco and Tobacco Product Merchant Wholesalers
Paint, Varnish, and Supplies Merchant Wholesalers
Other Miscellaneous Nondurable Goods Merchant Wholesalers
Professional and Commercial Equipment and Supplies Merchant Wholesalers
Website
1diamondsource.com
Keywords
Wholesale diamonds, Engagement rings, Loose diamonds, Diamond cutting, GIA certified loose diamonds.
HQ
New York, NY
Competitors
Jash Diamonds Inc, Global Diamond Group & Sons LLC.
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