An Art Decó old-cut diamond brooch, p

An Art Decó old-cut diamond brooch, platinum, unmarked, tested, with 51 old-cut diamonds and 16 diamond roses, weighing 5.58 ct fine white-slightly tinted white+ (G-I) /VVS-SI, l. 44 mm, 9.99 g, with

Art Deco old cut diamond brooch GG/WG 585/000 with old cut diamonds and diamond roses, total 0,30 ct W/SI-PI, l. 72 mm, 4,9 g

Art Deco platinum and old mine-cut diamond brooch, 4.2 dwt. inclusive. [1 7/8" L].

Platinum 18k Weight 5.52g Art Deco Rose Cut & old Mine Diamond Approx. 0.50ct Brooch Measurements 0.7inx1.8in

Art Deco Approx. 2.5 Carat Old European Cut Diamond, Sapphire and Platinum Bar Brooch. Diamonds G-H color, VS1-SI1 clarity. Unsigned. Missing one small sapphire Very good condition. Measures 2" W, 3/4

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

An Art Deco Platinum and Diamond Brooch A platinum Art Deco brooch centering three old European-cut diamonds, surrounded by approximately sixty-two smaller diamonds, near colorless (G - H), with SI cl

This is an antique 14K white gold filigree bow brooch dating to the early 20th Century. The Art Deco brooch features an Old European cut diamond surrounded by single cut diamonds. The diamonds are SI

This is an unusual lot of an antique brooch pin and pendant with ornately carved cameos featuring pearls, marcasite, and an Old European cut diamond. The Art Deco brooch features a good luck horseshoe

Art deco brooch with Old Miner & Single Cut Diamonds TW Approx. 1 CT. Measurements: 0.75x1.8''. Weight: 8.5g.

AN ART DECO SAPPHIRE AND DIAMOND RING in 18ct yellow and white gold, set with a square step cut sapphire within a border of old cut diamonds, stamped 18ct, 2060, size P / 7.75, 2.4g.

Black, Starr & Frost Art Deco diamond brooch Set with old European-cut diamonds Platinum Signed B.S & F 2 x 0.125 in; Gross weight 5.9 dwts

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

Art-Deco Ring with diamonds and sapphires, YG 750/000 and platinum tested , approx. 1930, 1 old cut-diamond approx. 0.15 ct Wesselton/p 2, bevelled sapphires total approx. 0.10 ct (2 st. missing) diam

Art deco brooch set with five Old European cut diamonds. Center approximately .20 carat and four approximately .03 carat each, .42 CTW. Clarity SI2, Color H-I. 1-7/8" x 5/8". 3.0 dwt. IMPORTANT: Befor

ART DECO DIAMOND RING, CIRCA 1930 The old brilliant-cut diamond, weighing 1.86cts between single-cut diamond geometric shoulders, hoop misshapen, ring size approx. P

The exceptionally fine handmade art deco brooch is set with 212 old mine cut diamonds, 20 square calibre cut diamonds and 52 calibre cut sapphires set in platinum. The brooch has an approx. diamond we

Art Deco diamond and platinum broochcentering (1) old European cut diamond weighing approximately 0.55 ct., accented by (4) old European cut diamonds weighing a total of approximately 0.80 ct., and (1

An Art Deco diamond plaque ring of angular design, set throughout with graduated old round and rose-cut diamonds, unmarked(Ring size: P)

Diamond Brooch 18k Art Deco Brooch 750 thousandths centered with an old cut diamond set in a stylized openwork setting punctuated with crowned roses. French craftsmanship from around 1930. 2.13"

A platinum brooch set with approximately 1.50ctw of old mine cut diamonds separated by synthetic sapphires. The brooch measures 43mm x 23mm and weighs 6.0 grams.Gemstones have not been graded for colo

This is an antique Art Deco brooch pin rendered in fine 14k white gold. The delicate filigree pin features a cluster of Old European cut diamonds.VS Clarity and GH Color. The brooch is 2 1/8 x 5/8" a

ART DECO, DIAMOND AND ONYX BROOCH Containing one old European cut diamond weighing approximately 1.80 carats, numerous single cut diamonds weighing approximately 7.75 carats total and one oval shaped

Art Deco Approx. 4.0 Carat TW Old European Cut Diamond, French Cut Sapphire and 18 Karat White Gold Pendant / Brooch with 14 Karat White Gold Chain. Diamonds G-H color, VS1-VS2 clarity. Pendant measur