This pendant necklace features a cushion-cut blue sapphire center surrounded by a halo of round brilliant diamonds, prong-set in 18K white gold on an 18K yellow gold cable chain. Sapphire Total Weight: 1.28 ct Shape: Cushion Diamond Total Weight: 0.35 ct Pendant Dimensions: 0.5" L x 0.375" W Chain Length: 16" Lobster clasp