The Collection of Jean Louis Chameroy, Offered Without Reserve - 24 Oct 2023
148
A diamond and blue glass ring, 'bague au firmament', late 18th century
A diamond and blue glass ring, 'bague au firmament', late 18th century, of oval outline, centring on a blue glass panel set with a vertical line of three rose-cut diamonds, within an outer border of rose-cut diamonds, to shoulders engraved with foliate decoration, mounted in silver and gold, size R, front measuring 3.3 x 1.9cm
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