18-karat yellow gold; Cognac diamonds, 0.38 total carat weight; Black diamonds, 0.23 total carat weight; Diamonds, 0.02 total carat weight; Amulet, 30 x 21.8mm; This amulet is interchangable and can be worn 2 different ways. Coin can rotate so amulet can be worn with either side of the coin facing up.; Please note: amulet only, necklace sold separately; Functioning bail allows pendant to attach to a necklace or bracelet