EightStar Diamond Company: Manufacturer of Eightstar diamonds featured high optical symmetry.
Ernest Slotar, Inc.: Importing and contract manufacturing company, specializing in ideal cut and fancy shape diamonds. Sell to trade only
I.G.A.T. Diamonds: Israeli manufacturer of loose diamonds. Features Phoenix diamonds.
Lazare Diamond: Manufacturer of Lazar brand name ideal cut diamonds. Provides jeweler locator.
Nu Age Products: Offers diamond coloring services. Located in New york and Tel Aviv.
Penta Diamonds: Manufacturers and wholesalers of loose fancy shaped diamonds including marquise, oval, heart and pear shapes.
Sarin Technologies: Manufactures tools for optimisation and grading of rough and polished diamonds.
Schachter and Namdar Botswana: Diamond manufacturer in Botswana.
Smolensk State Unitary Company Production Corporation: Diamond polishing company providing "Russian cut" or the "Russian make" stones between 0.01 and 7.00 carats in weight and include various colours and purities.
Waldman Diamond Company,: Diamond manufacturer, buyers and sellers.