Sold2020Art Deco Diamond, Black Onyx, Platinum BraceletArt 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 platinuSee Sold Price
Sold2024Art Deco Style Platinum, Diamond, and Black Onyx RingArt 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 caratSee Sold Price
Sold2017Ladies Art Deco Diamond, Black Onyx, Rock CrystalLadies 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.See Sold Price
Sold202255280: Art Deco Diamond, Black Onyx, Platinum Bracelet 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&colSee Sold Price
Sold2016JEWELRY. Art Deco Diamond and Black Onyx Bracelet.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 oSee Sold Price
Sold2022Deco Diamond and Platinum BroochArt 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 EuropeaSee Sold Price
Sold202214k Art Deco Black Onyx & Diamond Ring14k White Gold & Platinum Gram Weight: 6.6 Art Deco Black Onyx & Diamond Ring Size: 6.5See Sold Price
Sold2016An Art Deco Black Onyx & Diamond Bow PinPlatinum Art Deco brooch with black onyx and diamond bow brooch, 2 in. L, 9 gramsSee Sold Price
2023Platinum & Diamond Art Deco Ladies Wristwatch,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.See Sold Price
Sold2019Boxed Tuxedo Set: Onyx & DiamondBoxed 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 .60cSee Sold Price
Sold2016Art Deco Gubelin Platinum Diamond Sapphire DressPlatinum 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 movSee Sold Price
Sold2022An Art Deco Diamond & Onyx Geometric Bow PinPlatinum 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 designSee Sold Price
Sold2021Art Deco, Platinum, Malachite compactCirca 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.See Sold Price
Sold2023Art Deco Platinum & 18k Gold Car Pin BroochDESCRIPTION: 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 WSee Sold Price
Sold2017Diamond and Onyx Bow Brooch in 14 Karat White Gold andAn 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.See Sold Price
Sold202218k Platinum Art Deco Diamond Onyx Pendant18k Platinum Weight 4g Art Deco Diamond Approx. 0.5ct Onyx Pendant Measurements 0.86”x0.53” Chain 18.5”See Sold Price
Sold2022JEWELRY: Platinum Art Deco diamond and onyx bracelet, hinged bracelet tested platinum with 18K whiteJEWELRY: Platinum Art Deco diamond and onyx bracelet, hinged bracelet tested platinum with 18K white gold clap tongue, tapered width: 5.7mm-7.4mm, total weight: 24.8 grams, set with a total of twentySee Sold Price
Sold2017Assembled Art Deco Diamond, Sapphire, Black Onyx and 18Assembled 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 clasSee Sold Price
Sold2015Platinum Art Deco Diamond Sapphire and Onyx Cameo RingThis fabulous Art Deco piece is finely crafted from platinum. It features sparkling diamonds, colorful blue sapphires, and a very well done onyx cameo depicting a knight. The metal content is stampedSee Sold Price
Sold2018* An Art Deco Platinum, Diamond, Onyx and Emerald Bar* 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 eightSee Sold Price
Sold2019Art Deco Platinum Diamond & Onyx Jabot PinA 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 5See Sold Price
Sold2017Art Deco Platinum Diamond Onyx Square RingMETAL: 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 coSee Sold Price
Sold2023Art Deco Platinum Diamond Onyx Citrine Cocktail RingMETAL: 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 hSee Sold Price
Sold2023Art Deco Platinum Diamond Onyx Pendant BroochMETAL: 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 forSee Sold Price
4 days LeftA.H. Wilkens Auctions & AppraisalsART DECO PLATINUM AND DIAMOND BOW BROOCH, 10.1gCA$350(1 bid)
4 days LeftMiami Auction GalleryANTIQUE ART DECO DIAMOND EMERALD ONYX PLATINUM LINK BRACELETUS$74,000
May 31Miami Auctions & Appraisals LLC Cartier Antique Art Deco Diamond Pearl Onyx Platinum Brooch PinUS$7,200