Octagonal step-cut emerald, approximately 4.85 cts. Round single-cut diamonds, total approximately 1.15 cts. Maker's mark, French assay mark Platinum and 18K white gold, length approximately 1 3/8 inches
GIA Emerald Origin Report: Colombia, transparent, clarity enhanced F2
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An Art Deco Emerald Diamond, Platinum, and White Gold Brooch
Circa 1935 Octagonal step-cut emerald, approximately 4.85 cts. Round single-cut diamonds, total approximately 1.15 cts. Maker's mark, French assay mark Platinum and 18K white gold, length approximately 1 3/8 inches
GIA Emerald Origin Report: Colombia, transparent, clarity enhanced F2