French Art Deco ring with unheated sapphire (LFG) and diamonds

Type of jewelry: Antique jewelry / Antique ring
Era: Circa 1930
Origin: French work (French hallmark)
Metal: Platinum
Total weight (gross): 8.30 grams
Finger size: 53 (can be resized)
Dimensions (ring head): 2 cm x 1.7 cm
Nature of stones: Natural unheated sapphire (approximately 2.80 carats, certificate from the French Gemmological Laboratory indicating the absence of thermal modification and originating from Sri Lanka, formerly Ceylon), old-cut and 8 x 8 diamonds (approximately 1.80 carats)
Condition: Very good condition
Price: Upon request
Reference: 25 084 1