The art deco diamond shape ring is an eye catching ring that channels the decadence of the art deco era this unusual piece combines a stylish colour palette of silver and black with a classic art deco aesthetic a central diamond shaped piece of black onyx stone is offset by the subtle shimmer of marcasite on a sterling silver surround at once simple yet dramatic this distinctive piece makes an imaginative gift for lovers of art deco stylekey featuresart deco inspired ringmade fro