Loose blue sapphire weighing 8.24 ct, modified brilliant cut, antique, 11.27 x 10.42 x 6.86 ct, origin: Myanmar (Burma), no evidence of heat treatment, with Gübelin report (08/2022), Gübelin Gemstone Rating with 87.6/100 points and the assessment “Excellent” and Edigem insurance value estimate over CHF 250,000 (08/2022). Untreated sapphires of this size and quality are a rarity.