AN ART DECO ONYX AND DIAMOND JABOT PIN BROOCH the body

AN ART DECO ONYX AND DIAMOND JABOT PIN BROOCH the body terminated by drop shaped motifs set with black onyx cabochons within borders of old and rose cut diamonds, unmarked, 8.3cm, 7.3g.

A FRENCH ART DECO ONYX AND DIAMOND ARROW JABOT PIN BROOCH in platinum, designed as an arrow, set with polished onyx and rose cut diamonds, French maker's mark, French assay marks, 4.3cm, 2.2g.

AN ART DECO DIAMOND ARROW JABOT PIN BROOCH the head and feathers set with old and rose cut diamonds, no assay marks, 6.7cm, 2.9g.

NO RESERVE - AN ART DECO DIAMOND ARROW JABOT PIN BROOCH in 15ct yellow gold and platinum, terminating at both ends with round cut diamonds, stamped 15CT PT, 7.5cm, 5.7g.

A French Art Deco Platinum Diamond and Onyx Jabot Pin. Arrow terminals set in platinum with single cut diamonds and onyx. French Hallmarks. Approximate total weight. 7.3 grams. Dimensions: length: 3 5

JANESICH, FRENCH, ART DECO, DIAMOND AND ONYX JABOT PIN Containing triangular and calibre cut onyx and numerous rose cut diamonds. Mounted in platinum. 2 1/4 x 7/16 inches. Engraved: JANESICH 12872. St

Art Deco Lady's Moonstone & Diamond Jabot Pin 3.25''x1''. Impressive brooch includes a 19.5x16.6x10.1mm trapezoid cabochon (approx. 16 carats) and a 13.5x10x4.3mm pear shaped cabochon (approx. 3.5 car

Cartier: An Art Deco jade, diamond and onyx jabot pin, circa 1925 Each terminal set with a circular carved jade plaque, with old brilliant and single-cut diamond and cabochon onyx diamond detail, sign

Platinum Art Deco brooch with black onyx and diamond bow brooch, 2 in. L, 9 grams

Art Deco Tiffany & Co 14k gold and platinum jabot pin, adorned with lapis, onyx and diamonds. Each top is 10mm in diameter, entire pin is 76mm long. Marked Tiffany & Co. Weight - 4.6 grams.

METAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 40mm long. GEMSTONES: Rose cut diamonds. TESTED: Plat/ 18k. WEIGHT: 2.9 grams.Gemstones have not been graded for color and clarity ,and tested for cl

METAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 44mm long. GEMSTONES: Diamonds, blue stones. TESTED: 18k/ Plat. WEIGHT: 2.3 grams.Gemstones have not been graded for color and clarity ,and tested fo

Sapphire Brooch or Bar Pin. Art Deco Cartier platinum bar pin or brooch comprised of a central onyx openwork frame with (2) sapphire cabochon accents, and (3) stacked bands of pave diamonds; flanked b

This is an ORIGINAL ANTIQUE DOUBLE ENDED JABOT STICK PIN that was made in the ART DECO style during the 1930s. It is HANDMADE from PLATINUM. The pin is set with 70 SINGLE CUT DIAMONDS of H color, SI -

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.

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

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

METAL: platinum. GEMSTONES: diamonds-approx. 0.90 -1.00ctw. MEASUREMENTS: brooch 60 x 6.3mm at widest point. MARKED: Plat. WEIGHT: 5.4 grams.Gemstones have not been graded for color and clarity, and t

This is an antique Art Deco 14K white gold filigree bar brooch pin featuring single and full cut diamonds of SI clarity and GH color. 2 7/8" long and it weighs 4.9g. The diamonds range from 1.5-2.4mm.

French Art Deco Onyx & Diamond Arrow Pin mounted in 18K white gold circa 1920's with twist lock opening, small illegible hallmarks to top and bottom parts. Total weight 9.7 grams. Length 2 3/4 inches

AN ART DECO ONYX AND DIAMOND BAR BROOCH, CIRCA 1925 Set with two tapering onyx cabochons within a pierced surround set with old brilliant and single-cut diamonds, millegrain detailing throughout, moun

Beautiful art deco 925 sterling silver black stone pin brooch, 3 1/2 x 1 1/4 inches, 8.9 grams

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),

METAL: Platinum. GEMSTONES: Diamonds (one stone is missing) - approx. 3.00ctw. MEASUREMENTS: Brooch is 63mm x 29mm. TESTED: Plat. WEIGHT: 11.9 grams.Gemstones have not been graded for color and clarit