Art Deco Platinum Diamond Onyx Jabo Pin

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

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.

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

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

METAL: Platinum. MEASUREMENTS: Watch case - 27mm x 17mm x 33mm, length of entire lapel pin - 108mm. Decorated with frosted crystal, diamonds, onyx and mesh gold. Crystal has glue marks. Watch is not r

Platinum geometric bow pin featuring diamonds weighing approx. 3.00 ctw with an average color grade of G-H and an average clarity grade of VS, bead set with French cut black onyx channel set in design

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, DIAMOND AND ONYX BAR PIN Containing 10 single cut diamonds and 12 calibre cut onyx. Mounted in platinum and yellow gold. 2 1/2 inches long. Gross weight: 4.25 dwt.

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.

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

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.

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 Platinum, Diamond, Onyx and Emerald Bar Brooch, French, containing 133 old European and round single cut diamonds weighing approximately 2.70 carats total, 36 calibre cut onyx, and eight

METAL: platinum. GEMSTONES: diamonds-approx. 0.77ctw,onyx. MEASUREMENTS: ring size 8.25. Ring top is 16.2mm x16.2mm. MARKED: 900 Plat,100 Irid. WEIGHT: 5.38 grams.Gemstones have not been graded for co

METAL: Platinum. MEASUREMENTS: Ring size 7, top is 21mm x 17mm. GEMSTONES: Onyx, Diamonds approx. 0.40ctw, Citrine. MARKED: Punchmarks on the outside of the shank, 1216. WEIGHT: 10.2 grams.Gemstones h

METAL: Platinum. MEASUREMENTS: Pendant is 38mm x 21mm. GEMSTONES: Onyx, Diamonds approx. 2.20ctw. TESTED: Plat. WEIGHT: 10.3 grams.Gemstones have not been graded for color and clarity ,and tested for

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

Art Deco Platinum Weight 9.9gr Full & Single Cut Diamonds Approx 0.8ct Vs1 H Measurements 2.7”x0.4”  Onyx Drop Earrings 

An Art Deco Platinum, Diamond and Onyx Line Bracelet, Boucheron, containing 25 old European cut diamonds weighing approximately 1.50 carats total and 25 rectangular step cut onyx. Engraved: BOUCHERON

Vintage Art Deco Gold & Silver Pin holding a pair of removable Clips formed as scrolls & flowers with diamonds and onyx & coral highlights. Total weight 33.61 grams. Width assembled on pin frame 2 1/4

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),

set with 22 European cut diamonds approx. 3.00 carats (in our opinion: K-L color, SI2-I1 clarity, however not guaranteed), 2 center diamonds each approx. 70pts, in tested filigreed platinum (pin stem

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

METAL: Platinum. MEASUREMENTS: Brooch is 35mm x 17mm. GEMSTONES: Diamonds approx. 1.40ctw (center stone approx. 0.40-0.44ct). TESTED: Plat top. WEIGHT: 7.7 grams.Gemstones have not been graded for col