18CT GOLD AND PLATINUM DIAMOND DRAGONFLY BROOCH.

AN 18CT GOLD AND PLATINUM DIAMOND SET BAR BROOCH finely modelled with an applied crown 48mm long, app. weight 3.2g

An early 20th platinum and 18ct gold sapphire and diamond brooch. The circular-shape sapphire, within a rose-cut diamond surround and calibre-cut sapphire accents, to the rose-cut diamond sides. Frenc

A VINTAGE DIAMOND PLAQUE BROOCH, 1930s, in 18ct yellow gold and platinum, the openwork brooch set throughout with old cut diamonds, the diamonds totalling 3.0-3.5 carats, stamped 18ct and PL, 4.6cm, 7

A FRENCH ART DECO DIAMOND CLIP BROOCH in platinum and 18ct white gold, designed as a shield, set with shield, baguette, emerald, and single cut diamonds all totalling 3.0-3.5 carats, French assay mark

18ct yellow gold & platinum brooch, collet-set with 3x brilliant-cut diamonds, G colour, VS2, central diamond approx 0.12ct. Other two 0.08ct each. 3.8 grams, 5.7cm.

BOUCHERON, AN EXCEPTIONAL ANTIQUE ART DECO DIAMOND AND ENAMEL BROOCH in platinum and 18ct white gold, the geometric body set with old cut diamonds within two octagonal borders of black enamel, the pri

A VINTAGE AQUAMARINE AND DIAMOND BOW BROOCH, CIRCA 1950 in platinum and 18ct white gold, set with two tapered fancy cut aquamarines, accented by rose cut, single cut and round brilliant cut diamonds,

Chinese jade platinum and 18kt white gold brooch with diamonds. Marked PLAT 18ct. Brooch measures 46mm length. Jade measures 28mm x 17mm. Total weight 4.5dwt.

A VINTAGE GEMSET FLOWER BASKET BROOCH in 18ct yellow gold and platinum, designed as a basket of flowers, set with single cut diamonds, round cut rubies, emeralds and sapphires, stamped 18ct PLAT, 4.0c

This beautiful brooch is crafted from 18k yellow gold with white gold accent featuring a dragonfly with a fine lattice design on its double wings, each with 3 bezel set diamond in white gold and along

METAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 79mm x 30mm. GEMSTONES: Diamonds approx. 115 stones. TESTED: 18k/plat top. WEIGHT: 11.7 grams.Gemstones have not been graded for color and clarity ,a

METAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch measures 69mm x 39mm. GEMSTONES: Diamonds approx. 0.26ctw. MARKED: Maker's mark, plat, 18k. WEIGHT: 28.4 grams.Gemstones have not been graded for co

Estate 18kt yellow gold (tested) brooch, thirty-eight square-cut, channel-set red stones (synthetic), twenty-seven diamonds in platinum-topped setting, two bezel-set diamond and pearl drops, approx 1

Art Deco diamond brooch. Features an Art Deco reticulated design with pave and bezel set diamonds throughout the rectangular brooch. Unmarked but tested 14k with a platinum top. Approximately 0.55 car

METAL: 18k Gold. GEMSTONES: Diamonds approx. 0.36ctw. MEASUREMENTS: Brooch is 30mm x 28mm. MARKED: 18k. WEIGHT: 7 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and

An 18ct gold diamond brooch. Of bi-colour design, with intertwined undulating bars and brilliant-cut diamond highlights. AF. Estimated total diamond weight 0.25ct. Hallmarks for London, 2013. Length 4

Estate 14kt Yellow Gold & Diamond Dragonfly Brooch. Measures just under 1 inch in width.

Two 18ct gold & platinum diamond rings: Gross weight 4.1g. Single stone approx. 20 points or 1/5th carat with diamond chip shoulders, ring size O. The 3 stone size K largest stone under 10 points (2)

Tiffany and Co 18K Gold and Platinum brooch. The brooch is made in the shape of a flower and encrusted with diamonds. Marked with standard Gold and Platinum hallmarks, Tiffany and Co copyright, on the

DAVID WEBB, YELLOW GOLD, PLATINUM AND DIAMOND BROOCH Containing two heart shaped, 26 baguette and 87 round brilliant and single cut diamonds weighing approximately 7.00 carats total. 2 3/8 x 2 inches.

An eighteen karat gold, platinum, and diamond brooch, McTiegue designed as a unicorn with pavé-set diamond body; estimated total diamond weight: 2.00 carats, accented by a blue enamel collar and ruby

Van Clief Gold, Platinum and Diamond Brooch 18 kt., 101 round and 9 single-cut diamonds ap. 5.25 cts., signed Van Clief, ap. 17.7 dwts. C

METAL: 18K gold, platinum. GEMSTONES: diamonds-approx. 2.70ctw, multi color pearls 10.5-12mm. MEASUREMENTS: brooch is 53mm long xm at widest point. MARKED: Dunay 18K. WEIGHT: 42.5 grams.Gemstones have

18kt White Gold, Platinum Top, Diamond Brooch Measuring (1.25") in diameter containing European cut diamonds in a floral design (H-SI2) approx. 2.46ct tdw, electronically tested, unsigned piece (9.6 g