Gold Platinum and 3.5 Carats Diamonds French Belle Epoque Brooch

Platinum brooch in the shape of an openwork rose cut diamond edged with foliage set with old-cut diamonds in a closed setting. Diamond weight: approximately 2 carats. Circa 1910. Siz...

A Belle Époque diamond brooch, set with a cushion shaped old-cut diamond, in the centre, weighing approximately 1.82 carat, in our opinion the colour is I-J, with a surrounding clust...

This is a spectacular flower motif brooch in Turquoise with a total of 3.15 Carat of antique Diamonds set in Platinum atop Gold. The central dia...

Platinum and 18K yellow gold barrette brooch set with rose-cut diamonds and a red stone. Missing a diamond. Length: 6.30 cm. Gross weight: 4.70g.

An antique, T. B. Starr, Belle Époque diamond, pearl, platinum and gold brooch, featuring a natural pearl, in the centre of an Art Nouveau double whiplash, above three graduating loops, with foliate scroll terminals, set with old-cut diamonds, in grain settings, with larger diamonds, in rub over settings, at the bottom of the scrolls and in five old-cut diamond and natural pearl pendant drops, mounted in platinum on gold; with a gold pin, signed T. B. STARR., with a safety catch fitting, circa 1905. Theodore B. Starr was among the most prominent and influential jewellery and silversmithing firms in New York, in the late nineteenth and early twentieth centuries. Born in 1837, Theodore Starr founded his company in 1862, at No.18 John Street. He went into partnership with jeweller and silversmith, Herman Marcus, in 1864. The company became known as Starr and Marcus...

Of openwork design with central round sapphire cabochon approximately 2.5ct to an old brilliant-cut diamond scrolling surround approximately 1.5ct, circa 1880, mounted in platinum an...