Black Onyx Chess NecklaceThis Black Onyx Chess necklace from Studio Grun features a radiant design with a striking rectangle chessboard like charm. The charm hangs from a high polish, gold filled cable chain that enhances its elegant yet playful look. The chain is 18 inches long but can be adjusted to 16" or 17" for a personalized fit, allowing you to style it at different lengths. It's perfect for layering or wearing on its own, making it a chic and eye catching addition to