25x18mm Oval Cabochon CAB Flatback Semi-precious Gemstone Ring Face (Orange Sea Sediment Jasper) Cabochon Size: Approx 25x18mm (1.0x0.7 Inches) Thickness: Approx 5 to 7mm Weight: Approx 4g to 7g / pc the sea sediment jasper is colored You will receive the similar item as picture shown