A Belle Epoque platinum sapphire and diamond brooch

A Belle Epoque platinum sapphire and diamond brooch Finely pierced rosette design symmetrically set with old-cut and transition-cut diamonds (in total ca. 2.95 ct, M-P, si-p, five stones ca. 0.15 ct each), and framed by calibrated natural sapphires. The centre set with a drilled pale grey bouton pearl (diameter ca. 7.3 mm). The pin replaced. Diameter 4.3 cm. Weight 14.21 g. Circa 1905/10.

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Ca Ø 4,3 cm · vikt 14,2 g