The black moon choker necklace features a black onyx gemstone in crescent moon shape on a haft Italian snake chain and a half balls beads chain, made of solid 925 sterling silver, highly polished for a great shine with platinum plating to give it a high end look. Necklace length: 12.5 inches + 3 inches adjustable chain. Pendant dimensions: 0.70 x 0.46 in