Under the Sea Opal RingSterling Silver Under the Sea Opal Ring Weight: 1. 8g Dolphin Tail: 13mm Teardrop: 8mm Stone: Synthetic White Opal Cabachon Marked . 925 STR High Polish Oxidised Please be aware this is an open design and although silver is malleable constant bending of this ring can damage it * Synthetic Opals are more than 80% Natural Opal. They are made in a lab and are chemically very similar to natural opals. Australian cult Boho Jewellery brand, Midsummer Star,