Natural Rough Diamonds by Black Jack® Authentic African-Origin Rough Diamonds Since 1997 Black Jack is proud to offer genuine, uncut rough diamonds sourced directly from Africa and other reputable origins. With a legacy dating back to 1997, we are trusted by jewelers, collectors, and artisans who seek natural, untreated beauty. Our rough diamonds are used by master designers to craft bold, raw, and one-of-a-kind jewelry pieces including rings, pendants, bracelets, and even luxury beads. Each stone is unique in shape, color, and formation — celebrating the wild and untouched spirit of nature. Available Shapes Irregular Natural Forms Cube Shaped Rough Crystal Shaped Roundness Formed Stones Color Variants Offered Black Rough Diamonds Grey Rough Diamonds Blue Rough Diamonds Reddish-Toned Rough White Natural Rough Greenish and Greenish-Grey Variants Pink and Yellow Rough Diamonds Silver Colored Stones Carbonado (Natural Black) in Large Sizes Special Varieties Salt and Pepper Rough Diamonds Rough Diamond Beads in Multiple Natural Colors ApplicationsOur rough diamonds are ideal for: High-end custom jewelry Designer engagement rings Raw aesthetic pendants Bead-based collections Experimental and statement fashion pieces Why Choose Black Jack 25+ years of trust in the diamond trade Ethically sourced, globally respected Large, flexible inventory for wholesale orders Competitive pricing for bulk deals If you are looking for truly raw and organic diamond materials for your next jewelry masterpiece, Black Jack delivers nature in its most powerful form. InquiriesTo get our full wholesale catalog or request a custom lot, contact our team today. We ship worldwide with export documentation support and reliable service. Explore the natural origin of beauty. Let the raw speak for itself.