细节
A NATURAL PEARL AND DIAMOND 'CROWN' BROOCH, BY BOUCHERON
The openwork crown set with seven drop-shaped natural pearls, enhanced by two rows of collet-set old European-cut diamonds, to the pavé-set diamond leaves, mounted in 18k gold, 9.0 cm wide, with French assay mark for gold
With maker's mark for Frédéric Boucheron
Accompanied by report no. 2115270753 dated 19 October 2009 from the Gemological Institute of America stating that the seven pearls are natural saltwater pearls, with no indication of treatment