berganza georgian giardinetti ring

Berganza rare Georgian diamond, ruby, emerald and sapphire silver-topped gold giardinetti ring, set with an oval old mine diamond in a closed-back setting with an intricate scrolling openwork bouquet motif, split shoulders and a smooth bezel engraved to depict a patterned basket, with piercing to the shoulders and a solid ridged shank, circa 1760.

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