Purple Garnet Gemstone Sterling Silver Earrings - Ladies Womens Birthday Anniversary Gift Jewellery Present. Get into the Sterling Silver groove with these Garnet gemstone Earrings. A Garnet gemstone cabochon gracefully hangs from the sterling silver hoop with circular design. Length 33 mm, Width 7 mm, Depth 5 mm, Weight 3 gms. Comes boxed.