Art Deco Brooch, 1920–30 platinum ca. 0.950, gold

An Art-Deco black onyx bow brooch ca 1930's. 14k white gold double pin back and frame. Diamonds set in platinum weighing approximately three carats total weight including center marquise cut diamond.

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

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

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 brooch; France; 1920s-30s; platinum, 0.750 gold, 30 rubies in carre cut, 60 various cut diamonds in t. ~ 0.50 ct I-J/Si-P, weight: 7.64 g; dimensions: 5.8 x 0.6 cm; CONDITION: 1 diamond damag

14KT white gold and platinum Art Deco brooch pendant necklace. The pendant has a .15 ct center diamond and is accented by emerald colored green stones. It can be worn as a brooch or a pendant. It incl

Ladies Platinum and gold diamond brooch. There is one old European cut diamond the measures 4.9x3.3mm and weighs approx .49 carat: clarity SI1-SI2 and color JKL. There are two old European cut diamond

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

METAL: 14k Gold/ Platinum. MEASUREMENTS: Necklace with the pendant attached is 19" long, pendant detaches and converts into a brooch - 46mm x 15mm. GEMSTONES; Diamonds approx. 3.00ctw. MARKED: Ir

2 Art Deco Brooches. 1st item: Art Deco platinum, 18k yellow gold sapphire, diamond and pearl brooch containing 14 baguette cut sapphires with a total weight of approximately .56 carats and 42 Old Eur

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

METAL: Platinum top/ Gold back. MEASUREMENTS: Brooch is 60mm x 15mm. GEMSTONES: Diamonds approx. 1.35ctw. TESTED: Plat/Gold. WEIGHT: 7.7 grams.Gemstones have not been graded for color and clarity, and

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: platinum, 14k gold. GEMSTONES: diamond-approx. 0.13ct. MEASUREMENTS: brooch is 63mm long x 10.5mm at widest point. MARKED/TESTED: platinum,14K. WEIGHT: 3.7 grams.Gemstones have not been graded

(Lot of 3) Collection of diamond, gold and platinum jewelry including an Art Deco, 14k white gold and platinum filigree brooch; an Art Deco platinum mounting, size 5 1/2; together with a 14k white gol

This lovely Art Deco brooch is crafted from platinum and has 14k white gold pin. The long frame has fine filigree floral design with milgrain border. The round cut diamonds are set in the front, each

Antique 15kt Yellow Gold Amethyst Bar Brooch. Art deco style platinum, 15kt yellow gold, amethyst and seed pearl bar brooch. Measures 2.25 inches in width.

The art deco brooch with green stone is marked platinum and 14K gold. The brooch with garnet stone is marked 10K. Total weight of both pieces is 5.5 grams. The platinum/14K brooch is slightly longer t

Art Deco Pin Brooch crafted in 18k Gold and Platinum featuring Natural Baguette Rubies Approx. 2cts accented by Rose cut Diamonds Approx. 0.45cts. Set with two round pearls on each side. Stamp: "M.D."

Signed Krementz art deco gemstone brooch. Features a platinum topped pin backed with 14k gold, and embellished with a pair of diamonds flanking an apple green jade measuring 15mm x 11mm. Total diamond

14KT YELLOW GOLD, PLATINUM AND DIAMOND ART DECO-DESIGN BROOCHNine round-cut diamonds approx. 0.55 ctw. Approx. 50.0 x 11.0mm.Approx. 3.75 total dwt.

Art Deco Pendant / Brooch crafted in 18k yellow Gold and Platinum on top, accented with Old mine and Rose-cut Diamonds weighing together Approx. 2.0 carats total weight. Pendant come with antique Plat

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

DESCRIPTION: An Art Deco Pin Brooch comprised of an 18k yellow gold foundations, inlaid with black Onyx, a platinum setting inset with Diamonds and a final Ruby accent. Stamped along the "750" Total W