These classic earrings from the Mimi & Max Collection make the perfect birthstone piece. The earrings are enhanced with a diamond cut halo design. Gemstone colors - Blue Gemstone shapes - Round Two prong set round cut gemstones each measures 4 mm Metal - Sterling silver Finish - High polish Metal weight - 2 grams Earring clasp - Butterfly Earring dimensions - 7. 5 mm wide x 7. 5 mm long x 5. 5 mm deep All carat weights and measurements are approximate and may vary slightly from the listed dimensions. Treatment code E (blue topaz). See Treatment Guide for further information.