A terrific Art Retro pin brooch crafted in France circa 1940s set in 18K rose gold with 0.72 carat diamond and rubies, pin in superb condition... A touch of history. Antique jewelry object group: brooch Condition: excellent condition Country of origin: France Style: Retro - The style now called "Retro Art" is a genre which was developed in the 1940s and 1950s in response to a need for bold, eye-catching graphics and shapes that were easy to reproduce. Style specifics: Retro Style is a recent designation for the period in the forties when large scale, stylized geometric forms, drapes, bows or ribbons were all the rage. Pink Gold, set with colored stones, sometimes in floral forms was common. Period: ca. 1940 Material: platinum and 18K red gold Diamonds: One old European cut diamond with an estimated weight of approx. 0.72 crt. Note: All diamond weights, color grades and clarity are approximate since the stones were not removed from their mounts to preserve the integrity of the setting. Total diamond weight: approx. 0.72 crt. Precious stones: Two cabochon and five rectangle cut rubies (lab produced) (also called verneuil ruby). Birthstones: Diamond is the birthstone (or month stone) for April and ruby for July. Hallmarks: The French control mark for 18K gold representing an eagles head (that was in use in France from about 1838) and the French control mark for platinum representing a dogs head (that was in use in France from about 1912). Dimensions: 3.75 cm (1.48 inch) x 2.34 cm (0.92 inch) Weight: 10.50 gram (6.75 dwt) Reference N: 11265-0033 Copyright photography: Adin, fine antique jewelry