Tanzanite and diamond ring, 18ct yellow gold stamped 18kand 750 set with one 4.10ct Zoisite type tanzanite 10.8 x 7.30 mm rectangular cushion cut deep darkish violet blue colour heavy inclusions seen also set are two 0.235ct Jk\SI2\P1 round brilliant cut diamonds and 32 approx 0.01ct H\I Si\P1 round brilliant cut diamonds total weight 5.7 grams size N1\2