18th Century Navette Ring with Diamonds and Blue Enamel on Gold and Silver solitaire or blanc circa 1930

circa 1930

adorned in the center with a half-cut diamond in a hexagonal setting

with a center stone of a non-heated cushion-cut sapphire weighing 3

Monture en or jaune 18Kt (poinçon: hibou)

18th Century Navette Ring with Diamonds and Blue Enamel on Gold and Silver solitaire or blanc circa 1930Rare shuttle ring in 18kt rose gold and silver (hallmark: owl) decorated with blue guilloch enamel featuring theatrical motifs (tambourine, lute with sheet music, mask) set with rose cut diamonds, surrounded by old cut diamonds. Total diamond weight estimated at approximately 2. 20 carats. Work from the 18th century, circa 1770 1780. Gross weight: 9. 74g Ring size: 61 (diameter 19. 40 US 9. 50). Height: 3. 70cm Width: 2. 10cm Condition: slight micro