Vintage 18K mid-century Victorian Revival 6.30 carat sapphire and old mine cut engagement ring

A stunning 18K gold and navy enamel ring with a GIA certified 6.30 carat natural Sri Lankan blue sapphire trimmed in old mine cut diamonds. The cushion shaped sapphire is a periwinkle-almost-indigo blue. It sits like a little confection at the center of a distinguished old mine cut diamond halo, twenty-diamonds all told. The rectangular face is filled to the brim with sparkling gemstones and wee, talon-shaped prongs. The 18K yellow gold mounting is hand engraved with blue enamel accents in scallops around the face and arrows down the shoulders. The roomy under gallery has engraved details reminiscent of the Art Deco cocktail rings of the 1930s. This ring has it all: the sparkle of the 1890s, the energy of the 1930s, and the fun of the 1950s. I date this piece to the Victorian Revival Period, although the gemstones are a full generation (or two) older. 

Measurements: Size 6 US, 12.1 grams, 1" x 3/4" face.
Gemstone details: (1) approx. 6.30 carat cushion shaped natural Ceylon (Sri Lankan) blue sapphire (14.59 x 8.95 x 5.35mm), unheated, eye clean/medium light cornflower blue, GIA Cert: #6227345351 and Sapphire Origin Report #6227345351, (20) Old Mine Cut diamonds, 2.25 ctw, VS/G-H
Era: Victorian Revival, 1940s-1950s
Markings: N/A, tests for 18K gold

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