Sold2022Platinum Art Deco Diamond Necklace / BroochA unqiue .950 Platinum Diamond pendant which is also a brooch. This pendant/brooch has a total diamond weight: 9.90cttw. A diamonds are set in prongs and channel setting style. This beautiful pendant/See Sold Price
Sold2022Lady's Art Deco Platinum and 3.76 ct Diamond Circle/ Bow Motif BroochLady's Art Deco Platinum and 3.76 ct Diamond Circle/ Bow Motif Brooch Total Diamond Weight 3.76 cts. Weight 19.90 grams. Estimated total clarity VS1-SI2, Estimated Color G-H. See attachments for additSee Sold Price
Sold2021ART DECO PLATINUM & DIAMOND PLAQUE BROOCHcontaining two old European cut diamonds [H-I/I] weighing approximately 0.55 carats total; 120 old European cut diamonds [I-J/SI] weighing approximately 5.90 carats total; and 18 baguette cut diamondsSee Sold Price
Sold2021Art Deco Filigree Platinum Diamond Brooch PinMETAL: Platinum. GEMSTONES: Old mine cut diamonds total approx. 1.55ctw. Center diamond approx. 0.65ct. MEASUREMENTS: Brooch is 51mm x 19mm. TESTED: Plat. WEIGHT: 10.1 grams.Gemstones have not been grSee 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
Sold2016JEWERLY. Two Art Deco Style Platinum, Diamond, and18kt Gold Brooches. Total approx. weight of two brooches is 8.1 dwt. From an extensive Brooklyn, NY collection. Dimensions: 1.625" x .375" and 1.25" diameter.See Sold Price
Sold2024Art Deco Platinum and Diamonds Brooch/Pendant - Approximately 6.87 Cttw.Art Deco Platinum and Diamonds Brooch/Pendant - Approximately 6.87 Cttw.Tested platinum composition with gold overlay. 58mm x 31.5mm in size (excluding bail). 19.4 grams total weight, SI1 - SI2 claritSee Sold Price
Sold2016PLATINUM ART DECO DIAMOND BROOCHStunning 1920's Art Deco platinum filigree & diamond brooch. Center stone .25 carat European cut (G color SI clarity), total diamond weight on sides .66 carat (F-G color VS2-SI1 clarity). 1 3/4" wideSee Sold Price
Sold2020ART DECO PLATINUM, DIAMOND, & SAPPHIRE BAR BROOCHcentering one round brilliant cut diamond [K/VS2] weighing approximately 0.92 carats total; 104 single and full cut diamonds [G-H/VS1-VS2] weighing approximately 1.40 carats total; 22 round cut and roSee Sold Price
Sold2019An Art Deco Platinum, Diamond and Sapphire Brooch,An Art Deco Platinum, Diamond and Sapphire Brooch, containing three square step cut diamonds weighing approximately 1.00 carat total, four baguette diamonds weighing approximately 0.80 carat total, 40See Sold Price
Sold2020ART DECO PLATINUM, DIAMOND, & SAPPHIRE BAR BROOCHcentering one rectangular step cut very dark sapphire weighing approximately 2.50 carats total; six old European cut diamonds [G-H/VS1-VS2] weighing approximately 0.80 carats total; and 62 single andSee Sold Price
Sold2021ART DECO PLATINUM SAPPHIRE & DIAMOND ROUND BROOCHOne Art Deco period lady's round platinum diamond & sapphire brooch. The brooch measures approx. 1.50" round and features a total of twenty-three (23), bead set old mind cut diamonds measuring 1.70 -See Sold Price
Sold2019An Art Deco Platinum and Diamond Bar Brooch,An Art Deco Platinum and Diamond Bar Brooch, containing one old European cut diamond weighing approximately 0.40 carat, six old European cut diamonds weighing approximately 0.65 carat total and 64 oldSee 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
Sold2023An Art Deco Platinum, Gemstone and Diamond Broocha finely crafted antique bar brooch measuring 3.8 cm in length, containing five round mixed cut sapphires (unheated) weighing approximately 1.60 carats total, 18 caliber cut emeralds, and six old EuroSee Sold Price
Sold2021Art Deco Platinum Rock Crystal Diamond Ruby BroochApparently 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, totalSee Sold Price
Sold2015Art Deco Diamond Cabochon Ruby Double Clip BroochArt Deco Diamond and Cabochon Ruby in Platinum Double Clip Brooch. Diamond total weight approx. 5.00ct Measurements: 1" x 1.48" and 1" x 1.51" Total Weight: 21.2 gSee 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
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
Sold20161920s Art Deco Emerald 1.95ctw Diamond Platinum BroochBrooch measures 41mm X 24mm. Old European and Old Mine diamonds measure a total approx. 1.95ctw. Marked plat. Weight- 7.2grams. Gemstones have not been graded for color and clarity ,and tested for claSee Sold Price
Sold2020Platinum & Diamond Art Deco Brooch Pendant WatchLadies pendant / brooch watch. Features a platinum brooch and case housing a non functioning movement with diamonds. Total diamond weight is approximately 1.0 carats. Weigh 12 grams. Measures 1 3/8" xSee 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
Sold2021Art Deco Diamond, Emerald, Platinum Brooch StonArt Deco Diamond, Emerald, Platinum Brooch Stones: European and single-cut diamonds weighing a total of approximately 2.95 carats; square and rectangle-shaped emeralds weighing a total of approximatelSee Sold Price
Sold2015Art Deco diamond and platinum broochArt Deco diamond and platinum broochcentering (1) old European cut diamond weighing approximately 0.55 ct., accented by (4) old European cut diamonds weighing a total of approximately 0.80 ct., and (1See Sold Price
Jun 24Platinum Auction GroupArt Deco Platinum Diamond Brooch Gold Enamel Amethyst 14k Yellow$300(1 bid)
468 Lots AwaySeized Assets AuctioneersAntique Art Deco Platinum 7.24 ctw Diamond Large Sapphire Filigree Brooch Pin$1(1 bid)
15 hrs LeftFederal Assets AuctioneersAntique Art Deco Platinum European Marquise Diamond Ribbon Bow Wreath Brooch Pin$1
4 days LeftSeized Assets AuctioneersAntique Art Deco Platinum European Marquise Diamond Ribbon Bow Wreath Brooch Pin$1
2 days LeftFederal Assets AuctioneersAntique Art Deco Platinum Old Euro & Mine Cut Diamond Open Geometric Brooch Pin$1
6 days LeftSeized Assets AuctioneersAntique Art Deco Platinum 4.04 ctw Old European Diamond Filigree Bar Pin Brooch$1
Jun 20Modern JewelryArt Deco Diamond Platinum ETERNITY BAND RING WEDDING Old European Cut Size 7.5$3,450
4 days LeftAuktionshaus SchreiberBrooch. 585 white gold and platinum with diamonds. Art deco.€200(1 bid)
Jun 20Modern JewelryArt Deco DOUBLE CLIP Pin Brooch Pair French Platinum Gold Pearl Diamond 1930s$13,750
Jun 12Quittenbaum Kunstauktionen GmbH, Art Deco brooch with Old European and single cut diamonds€6,000