An Art Deco Platinum, Diamond, Rock Crystal and Onyx

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.

Apparently unmarked, containing center bezel set round diamond. Slight Chip to Rock Crystal. Weight appx. 1.35carat, pave set diamonds, total weight appx. 2.58carat, 50 small calibre cut rubies, total

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

Vintage 18k gold ladies Retro Art Deco style cocktail statement ring. A melon carved black onyx central gemstone surrounded by a matte finished carved rock crystal oval ring, held in place by two styl

Art Deco Rock Crystal, Gold, Platinum, Enamel and Diamond Cigarette Case, France 18 kt., black and white enamel, rose-cut diamonds, with maker's mark and French assay marks, c. 1920. 3 3/8 x 1 3/4 x 1

Art Deco Rock Crystal Brooch with single cut diamonds, Emerald, Ruby, Ametrine set in platinum. Gems Cabochon cut, diamond full cut. Gems tested by jeweler. small ametrine missing on one side. Please

Collection of Two Art Deco Diamond, Multi-Stone, Platinum, 14k White Gold Jewelry Items. Including one diamond, sapphire, rock crystal quartz, 14k white gold floral and filigree motif brooch measuring

* 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

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

AN ART DECO DIAMOND, ROCK CRYSTAL AND ENAMEL BROOCH the rectangular plaque with pierced diamond-set leaves, spaced by frosted rock crystal and diamond panels, between black enamel and diamond borders.

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

OFFERED HERE IS A SUPERB ART DECO ROCK CRYSTAL AND ONYX NECKLACE TESTED WITH THE PRESIDIUM GEM TESTER. THE CLASP IS IN 14K WHITE GOLD. THE STRANDS ARE 14.5 AND 16" LONG.WE PROVIDE IN-HOUSE/COMBINED SH

French Art Deco Platinum Weight 5.82g Onyx Diamond Ring Size 7 Measurement 0.91”x0.74”

This is an estate pair of earrings that was handmade in the Art Deco style from platinum with 18K closing levers. They are set with 8 brilliant cut diamonds (vertical line) of H color, SI clarity that

Bracelet is 6 7/8" long, center section is 18mm x 44mm. Set with approx. 1.00-1.10ctw diamonds and onyx links. Tested plat and 14k gold. Weight - 14.9 grams.Gemstones have not been graded for col

Art Deco dreicer & Co platinum bow brooch set with approx. 0.66ctw in rose cut diamonds and onyx. Some onyx stones are chipped. Brooch is 53mm x 12mm. Marked: Dreicer & Co, tested Platinum. Weight - 7

METAL: 14K gold. GEMSTONES: diamond, rock crystal. MEASUREMENTS: necklace is 16.5" long, pendant measures 35mm long (with bale) x 19mm at widest point. MARKED: 14K. WEIGHT: 5.4 grams.Gemstones ha

METAL: platinum, 14k gold. GEMSTONES: diamond, frosted crystal. MEASUREMENTS: brooch is 47mm x 20mm at widest point.MARKED: 14K&PL. WEIGHT: 4.5 grams. Gemstones have not been graded for color and

An Art Deco Platinum, Rose Gold, Diamond and Onyx Ring, containing one triangular shape step cut diamond weighing approximately 1.20 carats within an onyx surround. 3.30 dwts. Estimate $2,000-3,000 Se

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