From James Avery, these ear posts feature:Delicate sterling silver hearts are set with layered pink sapphire and mother-of-pearl gemstones, adding a pop of pink to any style or occasion. These James Avery earrings pair beautifully with the Sweetheart Gemstone Necklace or Ring. Sterling silverApprox. 6.4 x 6.4 x 2.75 mm Lab-created Pink Sapphire and Mother of Pearl DoubletThese stones have been layered to achieve a unique color