Antique Onyx Diamond Platinum Bow Pin

A classic example of Art Deco Cartier, this elongated platinum bow pin is set with calibre cut onyx and diamonds dating to about 1920. The bow accent was a popular motif in the Edwar...

Remarkable fine details are featured in this petite turn-of-the-century brooch made of twelve karat 12K yellow gold. Artful black onyx inlay accents decorate this romantic piece and ...

A very fine period Art Deco stick pin. With rows of diamonds and onyx encircled by diamonds in a round platinum setting. Unmarked for fineness. S...

Style: Platinum 6ctw Diamond Vintage Brooch Pin Material: Platinum Diamond Details: Approximately 6ctw of of Baguette, Round Brilliant and Marquise Diamo...

An antique Victorian rose cut diamond and onyx oval pin brooch. The onyx gradually slopes towards the diamond in the center. The heart-shaped diamond is rose cut and bezel set with s...

This timeless antique diamond and sapphire pin brooch is crafted in solid platinum. Displaying of geometric art deco patterns set in round-cut, square-cut, and triangular-cut diamonds weighing approx. 3.50 carats, graded H-I color, and VS2-SI clarity. Offset by two adjacent round-cut and 12 square cut genuine royal blue sapphires weighing approx. 1.25 carats. Pin brooch weighs 10.6 grams and measures 57mm wide x 15mm long. Secures with a trombone clasp...