Sterle, a sapphire and diamond ring, set with a circular-cut pink and blue sapphire, weighing 2.52 carats and 2.20 carats respectively, signed Sterle, gross weight approximately 8.20 grams, estimated total diamond weight 0.60 carat, mounted in platinum and gold, size L., accompanied by GSL report no. AA64156/1 dated September 18, 2020 stating that the pink sapphire is of Madagascan origin, with no indications of heating. Accompanied by GSL report no. AA64156/2 dated September 18, 2020 stating that the blue sapphire is of Ceylon origin, with indications of no heating.