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
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
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
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
Sold2020JEWELRY. Art Deco Cartier Jade, Diamond, Onyx, andSapphire 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 bSee Sold Price
Sold2022Art Deco Platinum Sapphire and Diamond BroochArt Deco Platinum Sapphire and Diamond Brooch Item # 6953 Category Pins & Clips *Art Deco Platinum Sapphire and Diamond Brooch* Weighing 20.9 grams Set with 24 dangling diamonds weighing app. 4.70 Ct.See Sold Price
Sold2022Turquoise and Diamond Flower Brooch Item # 6911 Category Pins & Clips Art Deco Platinum TurquoiseTurquoise and Diamond Flower Brooch Item # 6911 Category Pins & Clips Art Deco Platinum Turquoise and Diamond Flower Brooch Weighing 20.9 grams Set with an app. 18.00 Ct. real Turquoise Oval CabochonSee 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
Sold2022A FRENCH ART DECO ONYX AND DIAMOND ARROW JABOT PIN BROOCH in platinum, designed as an arrow, setA 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.See 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
Sold2020AN ART DECO ONYX AND DIAMOND JABOT PIN BROOCH the bodyAN ART DECO ONYX AND DIAMOND JABOT PIN BROOCH the body terminated by drop shaped motifs set with black onyx cabochons within borders of old and rose cut diamonds, unmarked, 8.3cm, 7.3g.See Sold Price
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
Sold2021Amazing Art Deco 925 Black Onyx Pin BroochBeautiful art deco 925 sterling silver black stone pin brooch, 3 1/2 x 1 1/4 inches, 8.9 gramsSee Sold Price
Sold2024Vintage Art Deco Diamond Onyx Coral Pin ClipsVintage 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 1/4See Sold Price
Sold2016Art Deco 1.50ctw Diamond Platinum Brooch PinA platinum brooch set with approximately 1.50ctw of old mine cut diamonds separated by synthetic sapphires. The brooch measures 43mm x 23mm and weighs 6.0 grams.Gemstones have not been graded for coloSee Sold Price
Sold2018Art Deco Platinum Diamond Pin BroochMETAL: 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 tSee Sold Price
Sold2021An Art Deco diamond and platinum clip/broochAn Art Deco diamond and platinum clip/brooch set with circular-cut, kite-shaped, emerald-cut, and calveshead diamonds; estimated total diamond weight: 8.00 carats, all within an openwork setting. (15.See Sold Price
Sold2022Art Deco Platinum Diamond Brooch/ClipsArt Deco Platinum Diamond Brooch/Clips Weighing 28.8 grams Set with 108 Diamonds weighing app. 12.00 Ct. F-H Color, VS1-SI1 Clarity 2 Inches in lengthSee 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
Sold2016ART DECO 10.00 CT DIAMOND & PLATINUM BROOCH / CLIPLadies estate Art Deco platinum and approx 10.00 ct total weight diamond convertible brooch / dress clips, the frame allows it to be converted to a matched pair of dress clips, the brooch is hand fabrSee Sold Price
Sold2022A FRENCH ART DECO DIAMOND CLIP BROOCH in platinum and 18ct white gold, designed as a shield, setA FRENCH ART DECO DIAMOND CLIP BROOCH in platinum and 18ct white gold, designed as a shield, set with shield, baguette, emerald, and single cut diamonds all totalling 3.0-3.5 carats, French assay markSee Sold Price
Sold2020Art Deco Platinum Diamond Brooch PinArt 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),See Sold Price
Sold2023Art Deco Platinum Diamond Brooch PinMETAL: 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 claritSee Sold Price
Sold2023Art Deco Platinum Diamond Brooch PinMETAL: 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 colSee Sold Price
May 31Miami Auctions & Appraisals LLC Cartier Antique Art Deco Diamond Pearl Onyx Platinum Brooch PinUS$7,200
May 31Miami Auctions & Appraisals LLC Antique Art Deco Diamond Pearl Platinum Double Clip Brooch PinUS$5,800
May 28Miami Auction GalleryANTIQUE BLACK STARR & FROST-GORHAM DIAMOND PLATINUM DECO BROOCH PINUS$12,750
5 days LeftSeized Assets AuctioneersAntique Art Deco Black Starr Frost Platinum GIA Natural Pearl & Diamond Bar PinUS$1
May 31Miami Auctions & Appraisals LLC Estate Art Deco 15.00 Carats Diamond Platinum Double Clip BroochUS$18,250
May 31Miami Auctions & Appraisals LLC Antique Art Deco 5.50ct Diamond Platinum Filigree Geometric Open Brooch PinUS$8,200
May 31Miami Auctions & Appraisals LLC Antique Deco 6.55cts Old European Diamond Platinum Filigree Brooch PinUS$14,000
Jun 02Tremont AuctionsFine vintage Tiffany & Co. Art Deco design diamond and sapphire platinum mounted convertible dressUS$3,400