The item is a sterling silver round pendant with a 18 inch long silver Spiga chain. The chain has a lobster claw catch. The chain is adjustable and can be shortened by sliding the bead along the chain. The pendant consists of one green and one black onyx cylette. There is a round cubic zirconia set in between the two cylettes. The pendant measures 14 x 5 millimeters. This item weighs 5.6 grams. I will provide a pendant box. This item is made by jewelry designer John Kennedy.