"French Art Deco Ring Circa 1935, Glannes R. Former Maison Duran, Natural Sapphire (4 Carats)"
Type of jewel: Old jewel / Old ring History: Glannes R. old Maison Duran (master's mark: the initials RG) Source: Azur directory of 1937 Period: Around 1935 Metal: Platinum 950/1000 (French mark) Total weight (gross ): 6.90 grams Ring size: 57.5 (can be resized) Dimensions of the ring head: 1.9 cm x 1.4 cm Type of stones: Natural sapphire of approximately 4 carats (Carat laboratory certificate Gem Lab indicating the absence of thermal modification, an intense blue color and a provenance from Sri Lanka formerly Ceylon), old cut diamonds (approximately 1.5 carat) State of conservation: Very good state of conservation Reference: 30 091 2 
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