Gemstone: Natural Topaz certified by ALGT : 15775621 Weight: 22.10 ct. Shape: Oval (excellent cut) Clarity: Transparent Size: 17.86 x 14.10 x 10.58 mm Colour: Vivid / Deep Orange - Brown Lustre: Superior Hardness: 8 on Moh's scale Treatment: Treatment cannot be determined at this time commonly irradiated *Origin: The stone comes from Brazil even though it is not specified on the certificate. This is the true picture exclusive to Catawiki, to show details of the stone. Careful packaging and shipping with internet tracking.