Gem Diamond Products manufactures Electroplated Diamond Core Drills. Gem Diamond Products also manufactures various types of Electroplated Diamond Tools, Diamond Lapping Compounds, Synthetic Diamond Powder and Dressers and Shaped Tools. The Electroplated Diamond Core Drills is used for drilling operations in the block of stone, granite, concrete, ceramic, epoxy resins, fiber-glass and other composite materials. The Electroplated Diamond Core Drills is made from toughest grade diamonds.