100 CleverDelights Glass Oval Cabochons - 13x18mm - Clear Magnifying Cabs - For Cameo Pendants, Photo Jewelry, Rings, Necklaces - 18x13mm - 1/2" x 11/16" Inch Dimensions: 13x18mm (Approximately 1/2" x 11/16") -- Dome Height: 4mm (Approx.) Great for cameo pendants, photo jewelry, ring pendants, crafts, custom jewelry, and many other uses Flat back - Oval dome glass cabochons Cabochons have a slight magnifying effect Top-quality CleverDelights-brand glass -- Don't be fooled by cheap imitators with their low-quality nicked, chipped, and cloudy cabochons