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
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
Sold2016Art Deco Platinum Diamond Brooch PinBrooch measures 46mm x 22mm. Decorated with approx. 2.00ctw diamonds. Top tested plat. Weight - 10.7 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancSee Sold Price
Sold2022Art Deco Platinum Diamond Brooch PinMETAL: Platinum. MEASUREMENTS: Brooch is 45mm x 19mm. GEMSTONES: Diamonds approx. 3.00ctw, old mine cuts. TESTED: Plat. WEIGHT: 8.1 grams. Gemstones have not been graded for color and clarity ,and tesSee Sold Price
Sold2020Art Deco Platinum Diamond Brooch PinMETAL: Platinum. GEMSTONES: old mine and rose cut diamonds approx. 263 stones., center stone is approx. 0.70ct. MEASUREMENTS: Brooch is 57mm x 40mm. TESTED: Platinum. WEIGHT: 18 grams.Gemstones have nSee Sold Price
Sold2021Art Deco Platinum, Diamond & Emerald Brooch / PinArt Deco platinum, diamond, and fine emerald brooch / pin, composed of fifty-one mixed-cut diamonds including baguette and round brilliant-cut diamonds; approx: 5.50 ct tw., color: H-I, clarity: VS2 -See 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
Sold2024Art Deco Platinum Diamond Bar Brooch PinMetal : Platinum/ 14k Gold hardware Designer : Not Signed Gemstone : Diamonds approx. 1.50ctw. Measurements : Brooch is 65mm x 4.4mm. Marked: : Tested plat, 14k. Weight: 4See Sold Price
Sold2021Art Deco Filigree Platinum Diamond Bar Brooch PinMETAL: Platinum/14k Gold hardware. MEASUREMENTS: Brooch is 77mm x 15mm. GEMSTONES: Old mine cut diamonds - approx. 1.80-2.00ctw. TESTED: Plat/14k. WEIGHT: 9.8 grams.Gemstones have not been graded forSee Sold Price
Sold2020Art Deco Platinum Diamond Blue Stone Brooch PinMETAL: Platinum. GEMSTONES: Rose cut diamonds. Blue stones. MEASUREMENTS: Brooch is 63mm x 15mm at widest point. TESTED: Platinum. WEIGHT: 10.2 grams.Gemstones have not been graded for color and clariSee Sold Price
Sold2018ART DECO 14k Gold Platinum Diamond Brooch Pin 8.3gArt Deco diamond brooch. Features an Art Deco reticulated design with pave and bezel set diamonds throughout the rectangular brooch. Unmarked but tested 14k with a platinum top. Approximately 0.55 carSee 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
Sold2022Art Deco Diamonds, Platinum & 18k Gold Car Pin BroochCirca 1920s. Art Deco Car Brooch crafted in 18k yellow Gold and Platinum on top, accented with Rose cut Diamonds. Along with one natural Round cut Emerald. Weight: 5.4 grams. Measurements: 1.2 x 0.6 iSee Sold Price
Sold2021Art Deco Platinum 5.00ctw Diamond Brooch PinArt Deco platinum brooch, with approx. 5.00ctw in diamonds. Brooch measures 60mm x 30mm. Tested plat. Weight - 16.5 grams.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
Sold2021Art Deco Platinum Old Mine Diamond Brooch PinArt Deco Platinum brooch with 14k gold stem, set with old mine cut diamonds. Center diamond approx. 0.65ct, side diamonds approx. - 0.84ctw. Brooch measures - 46mm x 19mm. Tested: Plat (brooch), MarkeSee 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
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
Sold2020Art Deco Platinum Diamond & Pearl Brooch WatchLadies Touchon & Co fine platinum and gemstone brooch / nurses watch. Features a reticulated pin back section embellished with rose cut diamonds. Underneath are platinum links with natural seed pearlsSee Sold Price
Sold2023Antique 3ctw Fine Diamond Irid Platinum Art Deco Era Circle Pin BroochTitle: Antique 3ctw Fine Diamond Irid Platinum Art Deco Era Circle Pin Brooch Description: Classic circle pin featuring approx. 3.0ctw of very well-matched, white F-H color, clean VS, hi-performance dSee Sold Price
Sold2022Vintage Platinum 3.5tcw Diamond Circle Brooch PinThis is an elegant vintage circle brooch pin rendered in fine platinum. The Art Deco pin is studded with 3.5tcw Old European and Old Mine cut diamonds of VS clarity and GH color. It is 1 3/8" diameterSee 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
May 31Miami Auctions & Appraisals LLC Cartier Antique Art Deco Diamond Pearl Onyx Platinum Brooch Pin$7,200
May 31Miami Auctions & Appraisals LLC Antique Art Deco Diamond Pearl Platinum Double Clip Brooch Pin$5,800
May 31Miami Auctions & Appraisals LLC Antique Art Deco 5.50ct Diamond Platinum Filigree Geometric Open Brooch Pin$8,200
May 31Miami Auctions & Appraisals LLC Art Deco Vintage Diamond Platinum Calla Lilly Flower Prominent Brooch Pin$7,000
May 31Miami Auctions & Appraisals LLC Antique Deco 6.55cts Old European Diamond Platinum Filigree Brooch Pin$14,000
May 28Miami Auction GalleryVintage Art Deco Platinum 13.85cts Diamond Crossover Bouquet Elegant Brooch Pin$20,500
May 28Miami Auction GalleryANTIQUE BLACK STARR & FROST-GORHAM DIAMOND PLATINUM DECO BROOCH PIN$12,750
631 Lots AwayFederal Assets AuctioneersAntique Art Deco Platinum 7.24 ctw Diamond Large Sapphire Filigree Brooch Pin$3(2 bids)
2 days LeftFederal Assets AuctioneersAntique Art Deco Platinum European Marquise Diamond Ribbon Bow Wreath Brooch Pin$1
2 days LeftSeized Assets AuctioneersAntique Art Deco Platinum 4.04 ctw Old European Diamond Filigree Bar Pin Brooch$1
2 days LeftFederal Assets AuctioneersAntique Art Deco Platinum Old Euro & Mine Cut Diamond Open Geometric Brooch Pin$1
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