Loose Black Diamond GIA Certified Emerald and 50 similar items

Loose Black Diamond GIA Certified Emerald Shape AAA Quality Available From 7x5MM-18x13MM. 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. GIA Quality Assurance Report is provided for each stone. Black Diamond Information: Certification: Certified by GIA - Quality Assurance Report Number of Diamonds: Single 1- Pair 2 Shape : Emerald Average Color : Fancy Black Average Quality : AAA Gemstone Dimensions : 7x5 mm - 18x13 mm Treatment Method: Heated Stone Creation Method : Natural Origin : Unknown MinDimension : 7x5 mm MaxDimension : 18x13 mm Color Information Color : Black Other Information Gender : Mens, Womens Material : Color Diamond Weight Ranges for Black Diamonds: 7x5 mm - 0.77 - 1.44 Cts 8x6 mm -1.62 - 2.40 Cts 9x7 mm - 2.80 - 3.44 Cts 10x8 mm - 3.12 - 4.10 Cts 11x9 mm - 4.62 - 6.32 Cts 12x10 mm - 6.72 - 8.00 Cts 14x10 mm - 7.00 - 8.60 Cts 16x12 mm - 9.68 - 11.82 Cts 18x13 mm - 13.80 - 16.86 Cts 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. Please visit our Instagem.net store on Etsy for all your Jewelry requirements. https://www.etsy.com/shop/StudsGaloreAJ https://www.etsy.com/shop/InstagemFindings