Ring in 750 thousandths yellow and white gold, presenting a square cabochon-cut tanzanite weighing approx. 4.50 ct (natural surface flaws, minor bumps), set off by two old-cut brilliant-cut diamonds. Modern work. Size of tanzanite: 10.1 x 9.6 x 5.2 mm Total estimated diamond weight: 0.30 ct Finger size : 51 Gross weight : 5.7 g