Fine Quality Deep Bluish Violet Tanzanite. Perfectly suited as an investment, collector's item or to use in a jewelry setting. Including a full IGI report number 617421403 Dimensions: 8.44 x 6.26 x 4.86mm Variety: Tanzanite Species: Natural Zoisite Weight: 2.30 Carat Color: Deep Bluish Violet Shape & Cutting style: Cushion mixed cut, Flawless Transparency: Transparent Treatment: Tanzanites are commonly enhanced by heat. Origin: Tanzania N.B. Country of Origin is an opinion offered by the seller of this item. This opinion is not substantiated by an official laboratory Daylight lighting (natural and 6500K studio daylight) and magnification were used in the photos to display the offered stone naturally. Shipping as insured parcel with tracking number. Outside EU custom taxes & duties are responsible of buyer.