This is an AA quality Loose Treated Princess Black Diamond measuring 5.73x5.51x5.14 mm. Approximate Black Diamond Weight: 1.58 Carats. This is a natural diamond that is treated to enhance the color.,NUMBER OF DIAMONDS:1,SHAPE:Princess,AVERAGE COLOR:Fancy Black,AVERAGE QUALITY:AA,MINIMUM CARAT TOTAL WEIGHT:1.58,DIMENSIONS:5.73x5.51x5.14 mm,CERTIFICATION:US51930327D,COLOR:Black,ACCESSORY TYPE:Loose Black Diamond,PRODUCT TYPE:Loose Black Diamond,TREATMENT METHOD:Natural Diamond Color Enhanced,STONE CREATION METHOD:Natural,STONE HEIGHT:5.73 mm,STONE WIDTH:5.51 mm,MINDIMENSION:5.51 mm,MAXDIMENSION:5.73 mm,ACCESSORY TYPE:Loose Black Diamond,PRODUCT TYPE:Loose Black Diamond,GENDER:Mens-Womens,MATERIAL:Color Diamond {DIAMOND APPRAISAL INCLUDED}