9ct Gold Diamond and Sapphire Cluster EarringsGold Sapphire Diamond Earrings These 9ct white and yellow gold cluster earrings are designed with a distinct floral motif. At the centre of each earring sits a single diamond, which is completely encircled by a halo of sapphires. The use of both 9ct white and yellow gold creates a subtle, two tone effect in the metalwork. Each earring measures 2. 20 mm wide and is secured with a classic butterfly back.