Loose Black Diamond Triangle Shape AAA Quality Available From 3x3MM- 6x6M Black diamonds ? also known as Carbonado. This means that they consist of several different minerals. When diamonds appear from volcanos they are taken down the mountain by lava until it reaches a river bedding. The water takes everything from the eruption into the flow until it quiets down and the stones sink into the ground. These deposits of sedimentation can hold a lot of diamonds. Non-Certified Black Diamonds. Black Diamond Information Number of Diamonds: Single 1- Pair 2 Shape : Triangle Average Color : Fancy Black Average Quality : AAA Gemstone Dimensions : 3x3 mm - 6x6 mm Treatment Method : Heated Stone Creation Method : Natural Origin : Unknown MinDimension : 3x3 mm MaxDimension : 6x6 mm Color Information Color : Black Other Information Gender : Mens, Womens Material : Color Diamond All the items will ship from the USA and are in stock. Please email or call us for special requests. We will try our best to accommodate We are a family owned and operated the business with over 40 years in the Diamonds and Jewelry business. We strive to provide quality and service.