Black Spinel Solitaire Ring - 8mm HexagonBlack spinel is a fantastic alternative to black diamonds, as they are a highly reflective and durable stone. This ring is available in two sizes, and this is the larger size. 8mm hexagon cut faceted black spinel band is round and measures 1. 5mm wide available in sterling silver or solid 14k yellow, white or rose gold made to order, ships within 2 3 weeks of purchase