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AN ELEGANT ANTIQUE DIAMOND AND ENAMEL RING
Designed as a blue guilloché enamel octagonal plaque, enhanced by a cluster of old mine-cut diamonds, within an old mine-cut diamond, gold and silver mount, circa 1790
Designed as a blue guilloché enamel octagonal plaque, enhanced by a cluster of old mine-cut diamonds, within an old mine-cut diamond, gold and silver mount, circa 1790