Art Deco ring with unheated sapphire of 17.99 carats (laboratory certificate) and diamonds

Type of jewelry: Antique jewelry / Antique ring
Era: Circa 1920-1930
Metal: Platinum
Mascaron hallmark depicting the head of a bearded man, seen from the front, surrounded by a border. For platinum items imported from contracting countries. The beard is different. Paris and departments from 1913 (decree of December 5, 1912) to 1926.
Total weight (gross): 10.10 grams
Ring size: 53 (resizing possible)
Nature of stones: Natural unheated sapphire (approximately 17.99 carats, Carat Gem Lab laboratory certificate indicating the absence of thermal modification and originating from Sri Lanka, formerly Ceylon), baguette-cut and 8 x 8 diamonds
Condition: Very good condition
Price: On request
Reference: 03 024 1