Gem Type:TANZANITE Weight:4.09 Cts Shape:TRILLION Size:9.95 X9 .73 X 6.63 mm Clarity:IF Color:AAA BLUISH VIOLET Treatment:HEATED Hardness:6.5 , 7.0 MOH’S SCALE Origin:TANZANIA Code:AD-13816-14 [ 171515] 4.09Ct Aaa Bluish Violet 100% Natural Tanzanite From Tanzania