FINE JEWELS

A BLACK OPAL, RUBY, AND DIAMOND BROOCH

The auction will start in __ days and __ hours

Start price: HK$240,000

Estimated price: HK$240,000 - HK$350,000

Buyer's premium:

Centering upon an oblong-shaped plaque of black opal, surrounded by pierced old mine and rosé-cut diamond panels in the form of a cross pattée with ribbon work, to the calibré-cut ruby cross-details, mounted in platinum, circa 1930, length 3.54 cm