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 silver Approx. 6.4 x 6.4 x 2.75 mm Lab-created Pink Sapphire and Mother of Pearl Doublet These stones have been layered to achieve a unique color and enhanced surface durability. Avoid chemicals, cosmetics and ultrasonic cleaners as well as contact with water, soap, steam and extreme humidity. Post closure Approx. 0.9375" long Crafted in America using the world's finest materials.