Species: Natural Vivid Swiss Blue Topaz with Extra Fine Color Quality Weight: 17,08 carat Measurements: 16.13 x 12.15 x 9.05 mm Color: Swiss Blue Transparency: Transparent Cut: Octagon Clarity: (if mentioned on report) Treatment: Not mentioned in the report Origin: India Laboratory report/number: 99632490 (ALGT) Shipping method: smart shipping, insured Country of origin as expressed herein, is only based on a spontaneous declaration of the seller, agreed as possible from the auctioneer, although not substantiated by an official expert opinion from the gemological laboratory issuing the report.