A SUPERB SAPPHIRE AND DIAMOND RING, MOUNTED BY CARTIER

A SUPERB SAPPHIRE AND DIAMOND RING, MOUNTED BY CARTIER Antique cushion-shaped sapphire of 6.26 carats, pear and marquise-cut diamonds, gold (French mark), mount signed Cartier, numbered Gübelin, 2024, report no. 24081102: 6.26 carats, Kashmir, no indications of heating SSEF, 2023, report no. 134598: 6.258 carats, Kashmir, no indications of heating, 'royal blue', Appendix letter AGL, 2023, report no. 1137116: 6.26 carats, Kashmir, no gemological evidence of heat, clarity enhancement: none Size/Dimensions: US ring size 4 Gross weight: 9.8 grams