Sold2023JEWELRY. Art Deco Platinum and Diamond Brooch.Art Deco platinum brooch displaying a central trio of (3) milgrain bezel set Old European cut diamonds measuring approx. 6.0mm, 4.5mm and 4.6mm. Diamonds are set within a platinum filigree frame displSee Sold Price
Sold2022Black, Starr & Frost, Art Deco diamond broochBlack, Starr & Frost Art Deco diamond brooch Set with old European-cut diamonds Platinum Signed B.S & F 2 x 0.125 in; Gross weight 5.9 dwtsSee Sold Price
Sold2022Art Deco Platinum and Diamond Bar BroochArt Deco Platinum and Diamond Bar Broochthe shaped bar brooch set with old European and single cut round diamonds weighing approximately 1.33 total carats (H-I color, VS-SI clarity) and with syntheticSee Sold Price
Sold2022ART DECO DIAMOND BROOCH,ART DECO DIAMOND BROOCH, CIRCA 1930 Of openwork, geometric design, set with old brilliant-cut diamonds, diamonds approx. 2.70cts total, length 4.4cmSee Sold Price
SoldAN ART DECO PLATINUM AND DIAMOND BROOCHAN ART DECO PLATINUM AND DIAMOND BROOCH The filigree mount Set with old European-cut diamonds, approximate total weight 1.80 carats, millegrain accents, weight 6.4 dwt, obscured signature, numbered 7See Sold Price
Sold2020Platinum 14k Diamond Filigree BroochArt deco brooch set with five Old European cut diamonds. Center approximately .20 carat and four approximately .03 carat each, .42 CTW. Clarity SI2, Color H-I. 1-7/8" x 5/8". 3.0 dwt. IMPORTANT: BeforSee Sold Price
Sold2018Edwardian Platinum and Diamond Brooch/PendantEdwardian Platinum and Diamond Brooch/Pendant ca. 1910, the circular platinum brooch with an openwork lacy pattern set with a central old European-cut diamond, surrounded by smaller European-cut diamoSee Sold Price
Sold2024JEWELRY. Art Deco Platinum and Diamond Brooch.Art Deco platinum brooch displaying a central bezel set Old Mine cut diamond flanked by (2) bezel set Old Mine cut diamonds and further accented by a surround of smaller Old Mine cut diamonds. CentralSee Sold Price
Sold2022ART DECO SAPPHIRE AND DIAMOND BROOCH,ART DECO SAPPHIRE AND DIAMOND BROOCH, CIRCA 1925 The openwork geometric plaque millegrain-set throughout with old brilliant and single-cut diamonds, accented by circular-cut sapphires, diamonds approxSee 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
Sold2016ART DECO DIAMOND BAR PIN BROOCHOld European cut diamonds set in platinum filigree with gold pin back. Approximately 1.5 carat center stone with .75 carat side stones as well as many small diamonds throughout. Dimensions: L 2.75" xSee Sold Price
Sold2022Art Deco Platinum, Diamond, and Emerald and Synthetic Emerald Brooch, Katz & OgushArt Deco Platinum, Diamond, and Emerald and Synthetic Emerald Brooch, Katz & Ogushdesigned in a stylized ribbon motif centering on a bezel set old European cut diamond (5.25 x 5.25 x 2.88 mm) weighingSee Sold Price
Sold2018Art Deco Diamond, Platinum Circle Bow Brooch.Art Deco Diamond, Platinum Circle Bow Brooch. Featuring thirty-nine old European-cut diamonds weighing a total of approximately 3.25 cttw., set in a platinum circle bow brooch mounting measuring approSee Sold Price
Sold2023ART DECO STYLE BROOCH IN WHITE GOLD AND DIAMONDSArt Deco style openwork brooch in 18 kt white gold. of intertwined geometric lines set with diamonds, old cut, set in grain with an estimated weight of 6.50 ct. and center with diamond bezel, brillianSee Sold Price
Sold2024Art Nouveau Plique á Jour and Diamond Egret Motif Brooch, Riker BrothersArt Nouveau Plique á Jour and Diamond Egret Motif Brooch, Riker Brothersdesigned as an egret in a marsh with lilypads and foliage, the central lilypad set with an old European cut diamond (1.75mm), cSee Sold Price
Sold2024Diamond Brooch 18k Art Deco Brooch 750 thousandths centered with an old cut diamond set in aDiamond Brooch 18k Art Deco Brooch 750 thousandths centered with an old cut diamond set in a stylized openwork setting punctuated with crowned roses. French craftsmanship from around 1930. 2.13"See Sold Price
SoldAN ART DECO PLATINUM, EMERALD, AND DIAMOND BROOCHAN ART DECO PLATINUM, EMERALD, AND DIAMOND BROOCH Centering an emerald-cut emerald measuring approximately 9.25 x 5.90 x 2.80 mm, and set with old European, old mine, single, and baguette-cut diamondsSee Sold Price
Sold2021JEWELRY. Vintage Platinum and Diamond Brooch.Vintage circular platinum openwork brooch with central Old European cut diamond measuring approx. 4.0mm surrounded by single cut, round brilliant cut, and Old European cut diamonds. Total approx. weigSee Sold Price
Sold2022An Art Deco Platinum and Diamond BroochAn Art Deco Platinum and Diamond Brooch A platinum Art Deco brooch centering three old European-cut diamonds, surrounded by approximately sixty-two smaller diamonds, near colorless (G - H), with SI clSee Sold Price
Sold2022JEWELRY. Antique 14kt Gold Black Enamel & DiamondBrooch. Antique 14kt yellow gold openwork brooch displaying a central Old European cut diamond surrounded by two tiers of (24) Old European cut diamond accents and black enamel work. Center diamond meSee Sold Price
Sold2022Antique Platinum Art Deco Filigree Diamond Brooch Pin PendantThis is an antique Art Deco bar brooch pin/pendant rendered in fine 14K white gold. The filigree brooch features 21 Old European cut diamonds of VS-SI clarity and HI color. It is 2 1/2" long and it weSee Sold Price
Sold2022ART DECO, DIAMOND AND ONYX BROOCHART DECO, DIAMOND AND ONYX BROOCH Containing one old European cut diamond weighing approximately 1.80 carats, numerous single cut diamonds weighing approximately 7.75 carats total and one oval shapedSee Sold Price
Sold2022A SAPPHIRE AND DIAMOND BROOCH The openwork brooch set with a central circular-cut sapphire, withinA SAPPHIRE AND DIAMOND BROOCH The openwork brooch set with a central circular-cut sapphire, within a surround of old brilliant-cut diamonds in square millegrained settings, further issuing curved rowsSee Sold Price
Sold2017Ladies Art Deco Platinum & Diamond Filigree RingA ladies Art Deco platinum and diamond dome ring, having a central bezel set old European cut diamond (approximately 1.13 carats total weight, color I-J, clarity Si2) with two small bead set old EuropSee Sold Price
1 day LeftSeized Assets AuctioneersArt Deco Platinum 6.00 ctw Old European and Mine Cut Diamond Filigree Brooch$1
1 day LeftMiami Auction GalleryAntique Deco 6.55cts Old European Diamond Platinum Filigree Brooch Pin$22,000
Aug 11Modern JewelryArt Deco DOUBLE CLIP Pin Brooch Pair French Platinum Gold Pearl Diamond 1930s$13,750
3 days LeftSworders Fine Art AuctioneersAn aquamarine negligee necklace and a Victorian diamond and split pearl bar brooch,£95
3 days LeftSworders Fine Art AuctioneersA late Victorian chrysoberyl cat's eye and diamond cluster,£160(1 bid)
2 days LeftA.H. Wilkens Auctions & AppraisalsART DECO 14K GOLD AND DIAMOND DRESS RING, 3.7gCA$200(1 bid)
Jul 02Elmwood'sAN ART DECO EMERALD AND DIAMOND STRAP BRACELET comprising a row of openwork links set with old£90,000
Jul 02Elmwood'sAN AQUAMARINE AND DIAMOND PLAQUE BROOCH the openwork plaque set throughout with round brilliant, old£2,400
2 days LeftFederal Assets AuctioneersAntique Art Deco Platinum European Marquise Diamond Ribbon Bow Wreath Brooch Pin$1
1 day LeftSeized Assets AuctioneersAntique Art Deco Platinum 7.24 ctw Diamond Large Sapphire Filigree Brooch Pin$1(1 bid)
3 days LeftFederal Assets AuctioneersAntique Art Deco Platinum 7.24 ctw Diamond Large Sapphire Filigree Brooch Pin$1
1 day LeftSeized Assets AuctioneersAntique Art Deco 14k White Gold European Diamond Open Filigree Bow Pin Brooch$1