Non-Traditional Appeal: For couples who want to move away from the conventional diamond engagement ring, black onyx offers a bold and unconventional alternative.Gothic and Vintage Vibes: Black onyx is often associated with gothic, art deco, or vintage-inspired designs, which resonate with those who appreciate timeless, edgy aesthetics. Gems Info:Main stone: 6x9mm Coffin Shaped Natural Black OnyxSide stone: natural moonstone Matching Band: natural black spinel