Sold2021Krementz Art Deco Diamond, Onyx, Platinum, 14k DressConsisting 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 mountiSee Sold Price
Sold2022VAN CLEEF & ARPELS, AN EXQUISITE ART DECO ONYX AND DIAMOND FOB WATCH PENDANT NECKLACE, EARLY 20TH...VAN CLEEF & ARPELS, AN EXQUISITE ART DECO ONYX AND DIAMOND FOB WATCH PENDANT NECKLACE, EARLY 20TH CENTURY in platinum, the hexagonal face with stylised Arabic numerals, within a border of rose cutSee 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
Sold2016ANTIQUE ART DECO 1.35ctw DIAMOND RED CORAL BRACK ONYXThis 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 -See 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
Sold2020Art Deco Platinum Diamonds Onyx Drop Earrings Art Deco Platinum Weight 9.9gr Full & Single Cut Diamonds Approx 0.8ct Vs1 H Measurements 2.7”x0.4”  Onyx Drop Earrings See Sold Price
Sold2019An Art Deco Platinum, Diamond and Onyx Line Bracelet,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: BOUCHERONSee Sold Price
Sold2024Art Deco Platinum Diamond Emerald Double Clip BroochArt Deco Platinum Weight 29g Diamond Approx. 5ct Emerald Double Clip Brooch Measurements 1.1inx2.2in  See Sold Price
Sold2018ART DECO 7.76CTTW DIAMOND & PLATINUM BROOCH / CLIPEstate Art Deco platinum (tested) diamond double-clip brooch, c. 1930s, approx 7.46cttw, two fur or coat clips with pin mechanism to combine into single brooch, featuring pierced work and milgraining,See Sold Price
Sold2020Art Deco Platinum Double Diamond RingAn art deco platinum double diamond ring in a navette style. The two center out of round bezel set old european SI diamonds weigh approx 1.5c carats each. The ring is finished approx 1.5 carats in accSee Sold Price
Sold2022French Art Deco Platinum Onyx Diamond RingFrench Art Deco Platinum Weight 5.82g Onyx Diamond Ring Size 7 Measurement 0.91”x0.74”See Sold Price
Sold2017Art Deco Platinum 18K Gold Diamond Onyx EarringsThis 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 thatSee Sold Price
Sold2015Art Deco Platinum 14k Gold Diamond Onyx BraceletBracelet 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 colSee Sold Price
Sold2020Art Deco Dreicer & Co Platinum Diamond Onyx Bow BroochArt 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 - 7See Sold Price
Sold2019An Art Deco Platinum, Rose Gold, Diamond and Onyx Ring,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 SeSee 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
Sold2019Art Deco Platinum Gold Onyx Diamond Cufflinks Studs SetMETAL: Platinum/ 14k Gold. MEASUREMENTS: Cufflink top - 13mm, in diameter, stud top - 13mm in diameter. GEMSTONES: Onyx, rose cut diamonds (a few stones are missing). TESTED: Plat top, 14k gold. WEIGHSee Sold Price
Sold2021Art Deco Platinum Coral Onyx Diamonds EarringsArt Deco Platinum Weight 13.5gr Coral Onyx Diamonds Approx 1ct Measurements 2.4”x0.4” EarringsSee Sold Price
Sold2020Art Deco Platinum Onyx Coral Diamond Earrings Art Deco Platinum Onyx Coral European Cut Diamond Approx 2.2ct SI J Weight 7.7gr Measurements 1.8”x0.31” EarringsSee Sold Price
Sold2016JEWELRY. Art Deco Diamond, Platinum and OnyxLadies Watch Case. Total approx. diamond weight of 1 cttw, approx. color G, approx. clarity VVS. From an extensive Brooklyn, NY collection. Dimensions: .625" w x 1.25". Condition: All watches sold asSee Sold Price
May 31Miami Auctions & Appraisals LLC Estate Art Deco 15.00 Carats Diamond Platinum Double Clip Brooch$18,250
May 31Miami Auctions & Appraisals LLC Antique Art Deco Diamond Pearl Platinum Double Clip Brooch Pin$5,800
2 days LeftJasper52Art Deco Diamond Platinum Eternity Band Ring Old European Cut Wedding Size 7.5$2,200
May 31Miami Auctions & Appraisals LLC Cartier Antique Art Deco Diamond Pearl Onyx Platinum Brooch Pin$7,200