French Art Deco Turquoise & Diamond Bombé Ring Size:6.75 and finished in bright turquoise

and finished in bright turquoise enamel

circa 1920 - the kittens are silver or base metal and enamelled

and both have mother of pearl handles

A cool Georgian spinner ring dating from the early 19th Century

but the feathers produce an electrifying and intense colour that's impossible to create using enamel (the vibrant iridescence isn't produced by pigments in the feathers themselves

French Art Deco Turquoise & Diamond Bombé Ring Size:6.75 and finished in bright turquoiseDATE: Art Deco, c. 1930 This fantastic French made ring dates from the late Art Deco period, circa 1930. The piece is of bomb shape highly domed and curved and is set with a gorgeous combination of stones. The vibrant turquoise cabochon rests between baguette cut diamonds at either side, with a cluster of brilliant cuts, totalling around 60pts. Its crafted in 18k white gold throughout, with French marks to the outer band. STONES Turquoise Cabochon