This handsome genuine onyx ring ring is an understated sign of his success. The emerald-cut jet black center stone is framed by sparkling white diamond accents and masculine etched detailing on each side. 18k gold-plated. Sizes 8-13. Main Stone: 1 Emerald Faceted Cut Genuine Black Onyx, 10 mm x 8 mmAccent Stone: 6 Genuine Diamonds .05 cttw18k Gold-Plated, SilvertoneMeasures: 22.5 mm wide x 10.5 mm long x 7 mm high; Shank Width: 4.0 mm wideIncludes gift box and drawstring pouch18k Gold-Plated, SilvertoneShank Width: 4.0 mm wideDimensions: 22.5 mm wide x 10.5 mm long x 7 mm highIncludes gift box and drawstring pouch 7 Color rating: I Clarity rating: I2-I3 Polished finish Prong setting Warranty available, Limited liability warranty, 30 Days Thailand Imported Product Specifications 22.5 mm wide x 10.5 mm long x 7 mm high; Shank Width: 4.0 mm wide 0.054 Material & Care Metal, Gold plated Clean with a soft cloth.