Blue Sapphire and Diamond Ring, the cushion cut sapphire measures 9.60x8.20x4.18mm and weighs approximately 3.11cts. There are 14 calbrè cut sapphires surrounding the center stone. On either side, there are a pair of .30ct round brilliant diamonds and 40 round-cut diamonds around the base of the ring. The total diamond weight is approximately 1.40cts. The ring is in 18k white gold. No heat detected.