H. Stern Smoky Quartz Cocktail Ring in 18k Yellow GoldUnique, handmade innovations. This luxury designer H. Stern cocktail ring features a smoky quartz gemstone and accent diamonds in 18 karat yellow gold. The cabochon quartz reflects a chocolatey brown hue. Set in a secure bezel. Two (2) round cut accent diamonds decorate the thick shoulders of the band. Finished on a bold and polished 18 karat yellow gold ring. A wearable work of art from Brazil's headquarters of H. Stern Jewelers. Modern & chic.