1920s French Art Deco Carved Emerald Diamond Platinum Bay Tree Brooch

An delightful Cartier Art Deco brooch, the brooch comprising an openwork rectangular plaque with two central coral bars with rock crystal sides...

An Art Deco rectangular sunburst diamond brooch, the brooch of an open-plaque design with pointed ends, set throughout with old brilliant-cut diam...

An Art Deco diamond, onyx and emerald giardinetto brooch, the pot formed by an onyx embellished with eight old-cut diamonds, the rim flanked with five carre-cut diamonds, the trunk of the tree formed by four trapeze shaped cabochon-cut emeralds and the branches millegrain-set with small diamonds, the diamonds estimated to weigh 2 & ¼ carats in total, all mounted in platinum with platinum brooch fitting, bearing Austrian platinum mark circa 1925, measuring 4 x 1.9cm, gross weight 6.8 grams. This vintage broch is in very good condition for its age. Giardinetto little garden Art Deco flower brooch...

An Edwardian diamond bow brooch, the open ribbon tied bow with old-cut diamond set cross-over centre and diamond set barley twist border with bla...

An Art Deco diamond brooch, set with baguette and old European-cut diamonds estimated to weigh 15 carats in total, channel and grain-set in platinum mount of geometric design, with white gold double pin fitting, bearing French 18ct gold import marks, circa 1930, measuring 5.2 x 4cm, gross weight 21.3 grams. This vintage brooch is in very good condition for its age. Brooch fittings marked 18ct gold An impressive diamond brooch on sale...

A French Art Deco crystal, diamond and onyx brooch by Chaumet, consisting of an octagonal-shaped frosted rock crystal frame, mounted between two finials of palmette design, with diamond-set scroll Mughal style decorations, accented by a line of cabochon-cut onyx, mounted in platinum and gold, bearing French assay marks and partial maker’s mark of Chaumet, circa 1925, measuring approximately 7.1 x 2.5cm, gross weight 19.3 grams. This brooch is in excellent condition. Unmarked, tested as platinum and 18ct gold. A wonderful Art Deco brooch made Chaumet. The jewellery house of Chaumet dates back to the eighteenth century and is known for making jewellery for the French royal court and for Josephine Bonaparte. This spectacular brooch reflects the Art Deco period of Chaumet, which reflected an increase in geometric styles inspired by machine technology. This brooch features a frosted rock crustal...

Item Details: Metal Type: Platinum with Gold Pin [Hallmarked, and Tested] Weight: 5.8 grams Diamond Details: .75ct total weight, Natural Diamonds, Old European Brilliant Cut, F-G Col...

An Art Deco platinum brooch with diamonds and onyx. The brooch has milgrain-set old European-cut diamonds with an approximate total weight of 6.50 carats, H/I color, VS clarity, with...

Art Deco Emerald and Diamond Brooch Clips Circa 1920's in Platinum Two Cushion Cut Emeralds Weighing .70 Carats Approximately Two Old European Cut Diamonds Weighing .65 Carats Appro...

Stunning Platinum Art Deco Filigree Brooch with 9 Diamonds. Totaling .40 Carats. Color F/G Clarity VS/SI1. Matching Ring is also available. Th...

French, around 1920. Art Déco typical design. Set with 53 old- cut and rose-cut diamonds with an overall weight of ca. 2.65 carat. Mounted in platinum. Hallmarked with the eagle’s h...

An American Art Deco platinum brooch with diamonds by E. M. Gattle & Co. The brooch has 168 old European-cut diamonds with an approximate total weight of 4.50 carats, and 5 square-cu...