1920s Greenleaf & Crosby Onyx Diamond Platinum Brooch

The Tiffany name is synonymous with luxury, and this onyx and diamond “bow” brooch perfectly demonstrates why this firm is so beloved. Crafted in a sophisticated, streamlined Art Dec...

Channel-set diamonds transform this magnificent "bow" brooch by Cauvin & Cie. from dainty to dazzling. A rare, early Art Deco piece, this brooch features black enameling in an eye-c...

This sophisticated brooch, composed of swirling motifs and glittering white diamonds, hails from the famed Russian House of Fabergé. Crafted with undeniable charm and taste by the iconic Carl Fabergé, this brooch features approximately 2.00 carats of Old Mine-cut diamonds that shine in their 18K gold and platinum settings. The House of Fabergé was founded in 1842 in Saint Petersburg, Russia, by Gustav Faberge. In 1872, Peter Carl Fabergé took over his father's small jewelry atelier and transformed it into the world's largest decorative arts enterprise of its kind. The firm built a devoted clientele, including members of the Romanov Imperial family, for whom they crafted their most precious pieces and the firm’s celebrated Easter eggs. In 1917, the Russian Revolution brought an end to the Romanov dynasty, the exile of Peter Carl Fabergé to Switzerland and a definitive halt to the original...

This sophisticated brooch from the famed American jeweler Henry Dunay takes the form of a bouquet of beautiful amaryllis flowers. Two colored diamonds totaling approximately 1.00 car...

This charming brooch takes the form of a polo jockey on a galloping golden horse. The pin is encrusted with a multitude of round brilliant colored diamonds certified by the Gemological Institute of America. In total, approximately 18.00 carats of natural fancy colored diamonds form the horse. Crafted of green, white and black enamel, the polo player bears the number "1" and "BOEHM" on his back. The entire creation is set in 18K yellow gold. The sophisticated brooch is further distinguished by prestigious provenance, once owned by the revered self-made businesswoman and "Princess of Porcelain," Helen Boehm. Boehm Porcelain produced fine porcelain sculpture masterpieces that attracted the patronage of royalty, politicians and celebrities alike, including Queen Elizabeth II, Pope John Paul...

This remarkable and rare circa 19th century stomacher brooch showcases the unparalleled artistry of Mellerio, the oldest jewelry firm in France. Crowned by a spray of diamond flowerheads, leaves and buds, this beautiful En Tremblant brooch moves with the wearer, creating countless light refractions and multiplying its brilliance. The brooch is convertible; the flowerhead panel and cascading trellis-work section can each be worn separately. The resplendent jewelry piece is punctuated by detachable pear-shaped diamond drops. Meant to draw the eye and elevate a woman’s ensemble and status, stomacher trembler...

Platinum and 18 Karats white gold brooch. A sublimely delicate piece of antique jewelry, this brooch with its geometric, openwork lines is set with millegrain-cut cushion-cut diamond...

A very pretty Art Deco brooch with onyx and diamonds, ca. 1920s. The diamonds weigh circa 2 carats.

Pin in platinum, dog head hallmark. Signed Janesich, this antique pin is diamond-shaped and adorned with a line of three calibrated sapphires and 6 diamonds. The signature is affixed...

An exceptional, fine and impressive antique French 2.06 carat diamond and platinum brooch; part of our antique jewelry and estate jewelry collections. This exceptional antique French brooch...

Brooch in 18 karat yellow gold, eagle head hallmark and platinum. Important antique barrette brooch, it is decorated in the center of an oval sapphire millegrain closed set, shoulder...

Diamond pin of Art Deco, 20s Fine pin with a small diamond in the middle (0.05 ct) and 2 small diamond roses, in white gold 590 (so-called Edelweiss gold) and platinum on the front. Stamped with 590 and WG. B:7 mm L:55 mm...