Matching Round Cut 7mm Sapphire Gemstone Necklace, Earrings, Ring Set in Rose Gold Settings. The sapphire has, for centuries, been seen as a symbol of the heavens, a guardian of innocence, a bestower of truth, a promoter of good health, and a preserver of chastity. It is believed to brings gifts of fulfillment, joy, prosperity, inner peace and beauty. Ring Size: 7.5 View Photos for Further Details.