This product is a vintage unisex antique 10kt Art Deco Era European Cut Diamond set in Onyx ring, size 8. The ring features a rectangular black Onyx stone set in yellow gold with a bezel setting. Signed and with a unique Art Deco style, this fine jewelry piece is perfect for special occasions like Christmas, graduation, anniversaries, birthdays, and Valentine's Day. The one-diamond piece exudes an Art Deco geometric theme with a vintage touch, making it a timeless and elegant addition to any jewelry collection.