Geometric Art Deco brooch in platinum and paved with

With three millegrained bezel-set OEC diamonds, approx. .90 ct., 1.50 cts. or .90 ct., centering graduated lines of OEC diamonds, approx. 5.0 cts. TW, in a geometric design. Ca. 1930. Stamped Wise & S

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

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

With yellow golden pin - 37 old European cut / single cut cut diamonds (1x approx. 0.35 ct., 2x approx. 0.09 ct. (Old European cut) and 34x approx. 0.01 ct. (Single cut) in a platinum setting). Clarit

An adorable Art Deco brooch of a winged insect, set with diamonds, rubies and a solitaire pearl, in platinum, France, circa 1920's - 1940's. This delightful piece has been expertly crafted out of plat

Art Deco brooch/pendant platinum 950/000 and GG 750/000 unstamped, tested, with one old cut diamond 0,25 ct W/VS and diamonds, total 0,40 ct, d. 35 mm, l. 44 mm, chain with spring ring, l. 45 cm, 13,0

AN ART DECO DIAMOND BROOCH in platinum, the rectangular form jewelled with old cut diamonds in Art Deco motif, unmarked, 5.5cm, 10.08g.

Set with small diamonds in an old polish and a diamond in polish in a weight of approx. 0.25 ct. Length approx, 6.5 cm. The pin clasp is 14K gold

Art Deco platinum brooch with hidden bale to be worn as a pendant. Set with approx. 2.30ctw in diamonds and emeralds. Brooch measures 45mm x 25mm, bale - 20mm long. Weight - 13.4 grams.

Art Deco platinum brooch displaying a central trio of (3) milgrain bezel set Old European cut diamonds measuring approx. 6.0mm, 4.5mm and 4.6mm. Diamonds are set within a platinum filigree frame displ

Art Deco platinum brooch/pin decorated with mixed cut diamonds. Center stone- Old European cut diamond-approx. 0.79ct (VS2/I), two side stones-Old European cut diamonds-approx. 0.55ctw (SI1-SI2/I-J),

Art Deco platinum brooch, with approx. 5.00ctw in diamonds. Brooch measures 60mm x 30mm. Tested plat. Weight - 16.5 grams.

Nice looking Art Deco Brooch crafted in Platinum, Set with Old mines and Rose cut Diamonds Approx. 1.48ctw (Center Old mine Diamond is Approx. 0.50cts. H color, SI clarity). Accented with Natural Blue

Art Deco Platinum brooch with 14k gold stem, set with old mine cut diamonds. Center diamond approx. 0.65ct, side diamonds approx. - 0.84ctw. Brooch measures - 46mm x 19mm. Tested: Plat (brooch), Marke

Art Deco platinum brooch displaying a central bezel set Old Mine cut diamond flanked by (2) bezel set Old Mine cut diamonds and further accented by a surround of smaller Old Mine cut diamonds. Central

An Art Deco Platinum and Diamond Brooch A rectangular Art Deco brooch, crafted from platinum in a swirling filigree setting, featuring a row of old European-cut diamonds, with further single-cut and r

Antique Art Deco platinum brooch centering oval carved jade 38m x 16mm, framed by diamonds approx. 0.48ctw. Brooch measures 43mm x 18mm. Tested platinum. Weight is 7.2grams.Gemstones have not been gra

Tiffany & Co. Art Deco Diamond, Platinum Brooch Stones: European, transitional, and Swiss-cut diamonds weighing a total of approximately 6.00 carats Metal&col

Divided to 2, set with many diamonds in various sizes and different cuts weighing approx. 6.00cts. Incredible work.

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

Art Deco Diamond, Platinum Brooch Stones: Baguette, transitional, and single-cut diamonds weighing a total of approximately 2.45 carats Metal: Platinum Theme&colon

Platinum art deco brooch with diamonds Description: Made of platinum with a polished finish, set with 26 diamonds. Length of 2 3/8" (6.03 cm), total weight of 7.0 grams. Evaluation certificate from Ce

DESCRIPTION: An Art Deco style brooch composed of Platinum decorated with a series of Old European cut and baguette cut diamonds, .60 Large Stones VS/SI (H-I) Color. The Baguettes in graduating size 0

Ladies platinum Art Deco brooch featuring an old mine cut diamond approximately 0.56 carats, Clarity-SI1, Color-H, accented by 72 round brilliant diamonds approximately 2.20 carats, Clarity-VS2, Color