Chess Board, Black & White Onyx. The Onyx Chess Set is a gloriously beautiful chess set, ideal for collectors and all who are enchanted by the resplendent beauty of natural stone. Each piece is carefully crafted, and due to their being crafted of real stone, each piece in the set is unique. An excellent gift for collectors. Made of real stone, color and pattern will vary. King is 3.5 inches tall and pawns are 2 inches high.<\p>