Art Deco Diamond, Black Onyx, Platinum Mourning

Art Deco Diamond, Black Onyx, Platinum Bracelet The bracelet features transitional-cut diamonds weighing a total of approximately 4.50 carats, enhanced by calibré-cut black onyx, set in platinu

Art Deco Diamond, Black Onyx, Platinum Bracelet Stones: European and transitional-cut diamonds weighing a total of approximately 13.70 carats; carved black onyx Metal&col

Art Deco Diamond, Emerald, Black Onyx and Platinum Brooch. Set in the center with an approx. .65 carat old European cut diamond, H-I color, VS2 clarity. Accented with approx. 3.50 carat TW old Europea

Ladies Art Deco Diamond, Black Onyx, Rock Crystal Quartz, Platinum, 14k Gold Wristwatch. DIAL: Round, white, stylized black Arabic numeral hour markers, black outer minutes track, blued diamond hands.

Art Deco Style Platinum, Diamond, and Black Onyx Ringthe platinum navette shaped mount with milgrain detailing set to the center with three marquise cut diamonds weighing approximately .70 total carat

Boxed tuxedo set of (8) Art Deco hexagonal black onyx, diamond, platinum and 9 ct white gold pair cufflinks, 4 buttons and 2 shirt studs, all with round full-cut center diamonds, total wt. approx .60c

Total approx. diamond weight of 4.2 cttw, approx. color of H, approx. clarity of VS2. Accompanied by a May 4th, 1999 appraisal stating this is, "Art Deco bracelet (circa 1925) Platinum, diamond, and o

Platinum case - 15mm excl crown x 32mm lug tip to lug tip. Adorned with approx. 0.70ctw old mine cut diamonds and faceted black onyx. . Band is platinum, clasp decorated with diamonds. Manual wind mov

14k White Gold & Platinum Gram Weight: 6.6 Art Deco Black Onyx & Diamond Ring Size: 6.5

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

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

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

118 round diamonds totaling 2.50 carats, high grade, fancy cut black onyx around dial, mechanical movement, working, 22.5 grams, with appraisal of $12,000.00, 6 1/4" long.

Circa 1920s', The lovely compact made of malachite and black Onyx, Accompanied by a platinum hinge set with a carved coral and rose-cut diamond. Hallmarks. Measures 3 x 2 x 1/2". Heavy in weight.

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.

Consisting of a pair of double cufflinks, together with three matching shirt studs, each featuring a concave onyx tablet centering one full-cut diamond set in platinum topped, 14k yellow gold mounti

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.

Topped 18kt Gold Ring. Central Old European cut diamond weighing approx. 0.33 cttw, approx. color of I, approx. clarity of VS. Total approx. weight of rose cut diamond accents is 0.25 cttw. Total appr

Assembled Art Deco Diamond, Sapphire, Black Onyx and 18 Karat White Gold Pendant (was once a watch) on 14 Karat White Gold Chain. Unsigned. Small crack to onyx, needs small repair to chain spring clas

French Art Deco Carnelian, Black Onyx, Platinum, 14k White Gold Bar Brooch Semi-Mounting. Featuring two carnelian discs measuring approximately 17 mm, accented by rectangular black onyx segments, set

* 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

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

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