925 Hallmarked Sterling Silver - total metal weight 7.666 grams. Genuine Gemstones: Oval cut Purple Amethyst, totalling 3.392 carats & Expertly set Marcasite, totalling 0.235 carats. On a fine, Sterling Silver 42cm chain with a 5cm extender. Pendent drop length of approximately 2.5cm. Necklace comes in a branded box with care card. Fine Silver jewellery, made by Esse Marcasite.