Set in 14k white gold studs. One matched pair 5.22 carats total weight square cushion tanzanites, exceptional color, 10X LOUPE CLEAN clarity, cut grade very good, measuring 7.9 mm wide, 7.9 mm long; with very good polish and very good symmetry. The overall quality rating of these tanzanites are 925 and 919 out of 1000. Tanzanites are color enhanced by heating.