Star KSterling Silver 8mm Heart Shape three stone Promise Ring Metal: 925 Sterling Silver. Dimensions: Width: 8.00 mm Length: 8.00 mm This beautiful design is part of the exclusive Star K. Jewelry collection. Star K, is a reputable American Family Business based in New York since 1986, uses only the highest quality materials, and will proudly stand behind all of her products. Lifetime Warranty exclusively offered by Finejewelers. High End Jewerly Box and Gift Packaging Additional Stones: (created-ruby, Shape: heart-shape, Color: red, Creation: synthetic.)