"Tank Ring Around 1940 Sapphire Cabochon And Diamonds"Type of jewel: Old jewel / Old ring Period: Around 1940 Origin: French work Metal: Gold 750/1000 (18 k), platinum 950/1000 Total weight (gross): 13 grams Dimensions (head of ring): 16 mm x 14 mm Ring size: 56 (size possible) Nature of stones: Sapphire cabochon, old cut diamonds, rose cut diamonds Condition: Very good condition History: In 1937, the International Exhibition of Technical Arts in Modern Life foreshadows a new style that will develop in the 1940s emancipating itself from Art Deco. During this decade, the jewels "tank" will make their appearance. They are so called because their links look like tank caterpillars. This type of antique jewel immediately recognizable is now the subject of renewed interest. References: 1940s 1940s Jewelry, Sylvie Raulet, Editions du Regard, Paris, 1987 Comments: Old 1940s ring with clean design.