细节
An 18th century diamond and enamel ring,
the marquise shaped bezel with blue guilloche enamel panel and diamond single-stone centre, the reverse engraved and dated 1786 (panel loose), with a contemporary ring case.
the marquise shaped bezel with blue guilloche enamel panel and diamond single-stone centre, the reverse engraved and dated 1786 (panel loose), with a contemporary ring case.