1920’ Platinum Diamond Plaque Brooch

1920’ Platinum Weight 22.34gr Measurement 2.68”x1.68” Diamond 3.2gr Plaque Brooch

Circa 1920's; Total Gemstone weight 6.96ct; Scalloped filigree plaque set throughout with diamonds and synthetic sapphires. Largest diamond is .52ct; Appraisal upon request. 17.6 grams

containing two old European cut diamonds [H-I/I] weighing approximately 0.55 carats total; 120 old European cut diamonds [I-J/SI] weighing approximately 5.90 carats total; and 18 baguette cut diamonds

Antique American Art Deco "Inverted Butterfly" Diamond Brooch platinum, ca. 1920, S. Kind & Sons, Philadelphia, Pennsylvania, the Art Deco brooch in the form of an inverted butterfly, mounted with sin

Stunning 1920's Art Deco platinum filigree & diamond brooch. Center stone .25 carat European cut (G color SI clarity), total diamond weight on sides .66 carat (F-G color VS2-SI1 clarity). 1 3/4" wide

AN ART DECO SAPPHIRE AND DIAMOND BROOCH, CIRCA 1920 in platinum, set with a cluster of round cut diamonds, within a border of calibre cut sapphires, the diamonds all totalling 1.4-1.6 carats, stamped

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

Antique cut diamond plate brooch in platinum. Brooch made of platinum set with rose cut diamonds in openwork motifs and three illusion claw centers with three antique cushion cut diamonds of approx. 0

DIAMOND & PLATINUM BOW BROOCH, C. 1920, L 2", T.W. 5 GR 5 gr. A small very delicate brooch in bowknot form. L 2". center diamond approx 10pts.Four blue sapphire baguettes. Myriad of diamonds assembled

Platinum and Diamond Brooch The openwork plaque of scrolled pierced ribbons centering one old European-cut diamond ap. .85 ct., flanked by 6 baguette diamonds and clusters of 18 collet-set old-mine an

1920’s Platinum Weight 8.2g Diamond Approx. 0.5ct VS1-H Bar Brooch measurements 1.4”x2.5”

Circa 1920, centering an old mine cushion-cut diamond gauged at approximately 1.50cts. and graded I-J color and SI clarity surrounded by ninety-two single and full-cut round diamonds totaling approxim

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

Platinum, Carved Jade and Diamond Brooch One rectangular carved jade ap. 33.0 x 19.0 x 3.0 mm., 6 transitional and 66 single-cut diamonds ap. 1.35 cts., c. 1920, ap. 8.8 dwts. gross. C

Own a beautiful piece of history! This stunning platinum pin circa 1920's features 58 round and marquises cut diamond for approximately .90 carats accented by a series of vibrant red rubies. The pin m

Nice Plaque Brooch crafted in 18k yellow Gold and Platinum on top, accented with Diamonds weighing Approx. 0.45 carats total weight. Along with 4 Baguette Sapphires. Measurements: 1.20 x 0.85 inches.

Metal: 18k Yellow Gold, Platinum Weight: 9.7 Grams Stone: Pearl, Diamond Carat: 0.03ct (dia) Era: 1920's This whimsical brooch featuring a man wearing a top hat holding a cane is expertly hand crafted

Art Deco Platinum  Weight 18.03gr Measurement 1.28”x2.21” Plaque Diamond Approx 3.5ct Vs1-SI1 I-M Brooch 

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

An 18 Karat Yellow Gold, Platinum and Diamond Flower Clip Brooch, Italian, consisting of five stippled textured curved petals surmounted with platinum zigzag design plaques containing 63 round brillia

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

ART-DECO JADE AND DIAMOND BROOCH, in 18 ct. gold and platinum. Set with a square carved green jade plaque to the center, with diamond accents to the sides. W. 5.3 cm. 4.1 grams.

Vintage Platinum & diamond brooch, c. 1950, set with a cluster of pear-shaped and marquise-cut diamonds, H-J color, VS-SI clarity, est. 10.0 carats, 2.5"l, approx. 18 dwt., illegibly stamped 869(?) Pr

Platinum Diamond Brooch, oval shape measuring approximately 2 x 1 ¼ inches; pave set with 158 round full and single cut diamonds, approximate total carat weight is 5.75 by formula;the diamonds averag