LATE 19TH CENTURY EMERALD AND DIAMOND BROOCH
Rectangular-cut emerald, old and rose-cut diamonds, silver and gold, circa 1890, 4.1 cm
Gem & Pearl Laboratory, 2019, report no. 17863: Colombia, evidence of moderate clarity enhancement
LATE 19TH CENTURY EMERALD AND DIAMOND BROOCH
Rectangular-cut emerald, old and rose-cut diamonds, silver and gold, circa 1890, 4.1 cm
Gem & Pearl Laboratory, 2019, report no. 17863: Colombia, evidence of moderate clarity enhancement
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