This is an AAA quality GIA Certified Natural Fancy Loose Square Modified Brilliant Black Diamond measuring 2.55x2.53x2.16 mm. Black Diamond Weight: 0.15 Carats. Gemologist Comments-- Very nice stone. Great for your starter Natural Fancy Black Diamond Collection. Small size, but still worth it. Get it made into a single earring for your man!.,NUMBER OF DIAMONDS:1,SHAPE:Square Modified Brilliant,AVERAGE COLOR:Fancy Black,AVERAGE QUALITY:AAA,MINIMUM CARAT TOTAL WEIGHT:0.15,DIMENSIONS:2.55x2.53x2.16 mm,CERTIFICATION:2155177950,COLOR:Black,ACCESSORY TYPE:Loose Black Diamond,PRODUCT TYPE:Loose Black Diamond,GENDER:Mens-Womens,MATERIAL:Color Diamond