From James Avery, this ring features: A delicate sterling silver heart is set with layered ruby and mother-of-pearl gemstones, adding a simple and sweet touch of red to any style. This James Avery ring looks great worn alone or stacked with other rings - and pairs beautifully with the Sweetheart Gemstone Earrings and Necklace. Sterling silver Approx. 6.4mm x 6.4mm x 2.75mm lab-created ruby 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 Available in whole and half sizes 4-10 Approx. 0.3125" wide Crafted in America using the world's finest materials.