AN 18CT GOLD AND PLATINUM DIAMOND SET BAR BROOCH f

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

Art Deco 18 Karat Yellow Gold, Platinum, Diamond and Ruby Bar Brooch Bezel set on the diagonal with four square French cut Diamonds [G/VVS], approximate total weight 2.05 carats, and enhanced with 16

Two Edwardian rings, gold and platinum set with diamond, and a cased set of graduated pearl set bar brooches, by Mappin and Webb

Old European cut diamonds set in platinum filigree with gold pin back. Approximately 1.5 carat center stone with .75 carat side stones as well as many small diamonds throughout. Dimensions: L 2.75" x

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

AN ANTIQUE OPAL AND DIAMOND BAR BROOCH in 18ct gold, set with a central oval cabochon opal between two old cut diamonds, with further rose cut diamonds to the bar, French import marks for 18ct gold, 3

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.

Three Gold and Gem-Set Bar Broochesto include: a platinum topped gold bar brooch set with old European cut diamonds weighing approximately .22 total carat (H-I color, VS2-SI1 clarity), completed with

A fine Victorian diamond floral formed bar pin / brooch. Formed as a rose with leaves and stem, adorned with a multitude of rose cut diamonds set in platinum and with a 14K yellow gold backing and pin

F.W. Drosten, Art Deco platinum and 14k rose gold accented diamond bar pin or brooch featuring one larger old mine cut and (18) smaller single cut diamonds weighing approximately 0.50cts total of I-1/

Aquamarine, Diamond, Platinum-Topped, 14k Yellow Gold Bar Brooch. Featuring one emerald-cut aquamarine weighing approximately 3.60 cts., accented by six rose-cut diamonds, set in a platinum-topped, 14

A PLATINUM, WHITE GOLD AND DIAMOND BAR BROOCH The quatrefoil central ornament set with old European and old mine-cut diamonds weighing approximately 1.60 carats, accompanied by R.Barratt, Ipswitch fit

Rubellite diamond bar brooch : Around 1920 Center set with a staircase cut rubellite, entouraged by 22 old cut diamonds. Yellow gold 18 ct, platinum. L. 4.5 cm, 4.3 g. // Rubellit-Diamant-Stabbrosche

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

18K Yellow Gold & Platinum Emerald and Diamond Flower Brooch Weighing 29.7 grams Set with app. 2.00 Ct. of Diamonds F-G Color, VS1-SI1 Clarity Along with app. 1.80 Ct. of Emeralds 2 inches in length

ERTÉ, Romain de Tirtoff, (Russian-French, 1892-1990) “F” Brooch. [Ca. 1980s]. Black onyx and pave set diamonds, 14 karat yellow gold. There are five graduating gold bars on top giving

Antique Silver Topped Gold and Diamond Bar Brooch, Russianthe platinum topped gold brooch with milgrain and floral detailing featuring four bezel set old European cut diamonds weighing approximately .

DIAMOND BROOCH, 1930S of bar design in the Art Deco style, centred on a geometric arrangement of millegrain-set circular-cut and baguette diamonds, mounted in platinum and white gold, length 57mm, sta

c. 1920-30, American, 18K yellow gold platinum toped filigree brooch featuring cushion cut sapphire with diamonds set in filigree, 2.75 in. L, 4.4 grams

An 18ct gold diamond, sapphire and ruby novelty brooch. Designed as a pave-set diamond duck, with ruby eye, swimming on oval sapphire cabochon and scrolling bar waves. Estimated total diamond weight 0

Asprey & Co bar brooch, in a form of a pheasant set with rose cut diamonds the head painted in enamels, platinum and 15 ct gold, stamped, cased 2 x 6.5 cm

AN ART DECO SAPPHIRE AND DIAMOND BAR BROOCH in yellow gold and platinum, the tapering bar set with a floral cluster of diamonds to the centre, flanked by rows of graduated cushion cut blue sapphires,

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

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