EARLY 20TH CENTURY EMERALD, RUBY AND DIAMOND BROOCH
Square-cut emerald of 5.62 carats, calibré-cut rubies, single-cut diamonds, 1910s, 3.1 cm
Gübelin, 2018, report no. 18090030: 5.62 carats, Colombia, insignificant oil
EARLY 20TH CENTURY EMERALD, RUBY AND DIAMOND BROOCH
Square-cut emerald of 5.62 carats, calibré-cut rubies, single-cut diamonds, 1910s, 3.1 cm
Gübelin, 2018, report no. 18090030: 5.62 carats, Colombia, insignificant oil