Star Power........................................ Blue Sapphire Polished Bead Diamond "Star" Necklace. Round Sapphire beads measure graduate from 4.00 m.m. to 2.00 m.m. in diameter. Total Sapphire weight is 47.40 Carats. Three 18 karat white gold diamond stars graduate starting 7/8 " in diameter to 3/8 ". Stars measure 1 3/4 " wide x 7/8 ". Total Diamond weight 1.25 Carats. Diamonds are Colorless, VS in Clarity. Necklace measures 15 1/2" so the necklace can sit around the base of the neck. 18 karat white gold clasp with diamond box accents. Stamped on clasp " 750 958VI ". Clasp was made in Italy. Stamped on back of stars " 18Kt ".