Ever spotted a black gemstone and thought that would be the ideal look for my latest collection of rings? Black Onyx Coffin Engagement Ring Set, Goth Coffin Cut Wedding Set Black Onyx 14k Rose Gold Ring & Round Cut Black Spinel Opal Stacking Ring Dark Style Gemstone DetailsMain stone: 6x9mm Coffin Shaped Natural Black OnyxSide stone: High quality Round VS moissanite Matching Band:Round Cut Natural Black Onyx and a Lab Opal