A RUBY, SAPPHIRE AND DIAMOND TWIN-STONE RING, BY BOUCHERON
PROPERTY OF A PRIVATE COLLECTOR 
A RUBY, SAPPHIRE AND DIAMOND TWIN-STONE RING, BY BOUCHERON

细节
A RUBY, SAPPHIRE AND DIAMOND TWIN-STONE RING, BY BOUCHERON
Set with a pear-shaped ruby and sapphire, trimmed by calibré-cut diamonds, to the circular-cut diamond sculpted surround, mounted in 18k gold, with French assay mark and maker's mark
Signed Boucheron