A French Belle Epoque platinum, diamond and sapphire brooch, by Demares
The diamond rectangular plaque of pierced foliate design with a central line of calibré sapphires and single millegrain-set brilliant-cut diamond, to diamond palmette terminals, circa 1910, French mark, one sapphire deficient
With marker's lozenge mark J D, for Jean Demares, No. 9241
A French Belle Epoque platinum, diamond and sapphire brooch, by Demares
The diamond rectangular plaque of pierced foliate design with a central line of calibré sapphires and single millegrain-set brilliant-cut diamond, to diamond palmette terminals, circa 1910, French mark, one sapphire deficient
With marker's lozenge mark J D, for Jean Demares, No. 9241
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