Platinum Brooches & Pins
![Antique Art Deco Platinum 7.24 ctw Diamond Large Sapphire Filigree Brooch Pin: An antique. art deco solid platinum bar pin brooch, with 195 old european/rose/single cut natural diamonds (G-L - VS1-SI1; 7.24ctw), and 2 custom bullet cut synthetic sapphires, with straight baguette](https://p1.liveauctioneers.com/989/333311/179998850_1_x.jpg?height=310&quality=70&version=1718313059)
![AS TIME BROOCH AND PENDANT LAPIS LAZULI DIAMOND CASTLE 18K: As Time Brooch and Pendant Lapis Lazuli Diamond Castle 18K Brand: As Time by ISHIKAWA NOBUKO Type: Pendant Material: 18K/750/Yellow Gold, 900/Platinum Color: None Size: None Accessories: None](https://p1.liveauctioneers.com/6177/332290/179215340_1_x.jpg?height=310&quality=70&version=1717432081)
![Estate English Syn Sapphire Diamond .70 Cttw Platinum Brooch: Estate English Syn Sapphire Diamond .70 Cttw Platinum Brooch Estate Brooch, 1 Pear Shape Synthetic Sapphire, 14 Old European Cut Di](https://p1.liveauctioneers.com/6970/332422/179277010_1_x.jpg?height=310&quality=70&version=1717584831)
![1950’s Platinum 11.00 Ct. Diamond Brooch: 1950’s Platinum 11.00 Ct. Diamond Brooch Weighing 32.0 grams Set with 7 Marquise Diamonds weighing app. 1.50 Ct. 16 Baguette Diamonds weighing app. 3.00 Ct. And 83 Round Diamonds weighing app. 6](https://p1.liveauctioneers.com/6970/332422/179277471_1_x.jpg?height=310&quality=70&version=1717584831)
![VAN CLEEF & ARPELS ENSEMBLE DE DEUX BROCHES 'ROSES' RUBIS ET DIAMANTS: VAN CLEEF & ARPELS ENSEMBLE DE DEUX BROCHES 'ROSES' RUBIS ET DIAMANTS Details Round rubies, round brilliant-cut diamonds, 18k yellow gold and platinum (French marks) for the diamond brooch and 18k yel](https://p1.liveauctioneers.com/6670/333048/179794353_1_x.jpg?height=310&quality=70&version=1718372539)
![Antique Krementz Edwardian Platinum Top 14k Gold Diamond Etched Bar Pin Brooch: An antique solid 14k yellow gold and platinum pin brooch by Krementz, with 1 old european cut natural diamond (G - VS2 ; 0.06ctw). Measures 7.5x64.3mm and weighs a total of 4.42 grams.](https://p1.liveauctioneers.com/6100/333544/180157574_1_x.jpg?height=310&quality=70&version=1718402356)
![Three Antique 10K & 14K Gold Stickpins: Comprising a 10K flower with rose cut diamond, an Art Deco pin with dogtooth pearl and old mine cut diamond, and an Art Deco 14K & Platinum pearl and diamond pin. 10K 0.4 dwt, 14K 0.8 dwt and platinum](https://p1.liveauctioneers.com/7247/333489/180080186_1_x.jpg?height=310&quality=70&version=1718412249)
![Platinum & 18K ladies bowtie brooch, from local estate, fine condition, weighs 2.7 pennyweights,: Platinum & 18K ladies bowtie brooch, from local estate, fine condition, weighs 2.7 pennyweights, measures 1.7/8" across.](https://p1.liveauctioneers.com/808/333404/180285186_1_x.jpg?height=310&quality=70&version=1718672238)
![3 Antique Platinum & 14K Gold Stickpins: Comprising a platinum and 14K peridot and 2.5 mm diamond, a pin with Old European cut diamonds, and a gold filled antique Victorian pin with Morpho butterfly wing. Combined weight of the gold and plat](https://p1.liveauctioneers.com/7247/333489/180080174_1_x.jpg?height=310&quality=70&version=1718412249)
![Ladies Art Deco Platinum, Diamond & Colombian Emerald Brooch: Ladies Art Deco Platinum, Diamond & Colombian Emerald Pin. Center Old Mine Cut Diamond: 1.80cts. Diamond Clarity: VS Color: K to L Total Daimond Weight Aprox: 3.5cts 6 colombian Emeralds Aprox: 0.75ct](https://p1.liveauctioneers.com/5870/332992/179756376_1_x.jpg?height=310&quality=70&version=1718238316)
![Art Deco MARCHAK Coral Platinum Gold PIN BROOCH Antique French: Art Deco Coral Diamond Enamel Platinum 18k Yellow Gold Pin Measurements: Diameter 2-7/8 x 3/8 inches. Weight 10.4 grams. Stamped with Marchak maker's mark. In great condition; wear consistent with age](https://p1.liveauctioneers.com/3780/331958/179092654_1_x.jpg?height=310&quality=70&version=1717192562)
![Late Deco French Platinum & Diamond Double Clip Brooch: GUILD laboratories' certificates are as accurate as GIA AND AGL certificates, and Sumer collection stands a hundred percent behind Guild laboratory's certifications. Hall Marks on pin](https://p1.liveauctioneers.com/5870/332992/179756593_1_x.jpg?height=310&quality=70&version=1718238316)
![Estate 17.05 Cttw Diamond Cluster Platinum Pendant/Brooch Circa 1960'S: Estate 17.05 Cttw Diamond Cluster Platinum Pendant/Brooch Circa 1960’S Dimensions: Estate Brooch/Pendant, 2 Marquise Cut Diamond 0.85 cttw H-I VS1-SI1, 50 Baguette Cut Diamond 7.50 cttw F](https://p1.liveauctioneers.com/6970/332422/179276945_1_x.jpg?height=310&quality=70&version=1717584831)
![1940s Vintage 1.50 Carat Diamond: 1940s Vintage 1.50 Carat Diamond and Platinum Ladies Cocktail Fob Watch Case Material: Platinum Stone: Diamond Stone Cut: Round Cut Weight: 14.43 g Movement: Manual Wind Case Diions: Width: 0.85 i](https://p1.liveauctioneers.com/6732/331713/179665743_1_x.jpg?height=310&quality=70&version=1717912306)
![Art Deco Ladies Platinum & Diamond Pin.: Art Deco Ladies Platinum & Diamond Pin. Total Old Mine Cut Diamond: 4cts Daimond Clarity: VS Color: G to H Total Weight: 10.3grams 2" Long. (No. #BR642)](https://p1.liveauctioneers.com/5870/332992/179756343_1_x.jpg?height=310&quality=70&version=1718238316)
News about Platinum Brooches & Pins
![Harry Winston platinum and diamond ring rocked Doyle Fine Jewelry auction](https://www.liveauctioneers.com/news/wp-content/uploads/2023/04/Screenshot-2023-04-28-at-4.23.26-PM-1.png)
Harry Winston platinum and diamond ring rocked Doyle Fine Jewelry auction
NEW YORK – Jewelry sales at Doyle continue to surpass expectations at all levels of value. Auctions of Important Jewelry on April 27 and Fine Jewelry & Luxury Handbags on April 26 saw determined bidders from across the country and around the world drive exceptional prices throughout both sales, sending the week’s total past $6 million.
![Platinum sparkler, Remington bronze command attention at Abell Auction, May 22](https://www.liveauctioneers.com/news/wp-content/uploads/2022/05/Screen-Shot-2022-05-14-at-5.12.20-PM.png)
Platinum sparkler, Remington bronze command attention at Abell Auction, May 22
LOS ANGELES – Abell Auction Co. will present a fine art, antiques, 20th-century design and fine jewelry auction on Sunday, May 22, starting at 9 am Pacific time. Featuring property from prominent California estates, the online sale will be highlighted by an original Frederic Remington bronze Rattlesnake sculpture, estimated at $100,000-$150,000, and a collection of […]
![Picassos, Tiffany table, Agassiz platinum watch at Coker’s, June 18](https://www.liveauctioneers.com/news/wp-content/uploads/2011/06/2011_0608_9314248_lead.jpg)
Picassos, Tiffany table, Agassiz platinum watch at Coker’s, June 18
NEW MARKET, Tenn. – On Sat., June 18, commencing at 10 a.m. Eastern time, John W. Coker, Ltd., will conduct an eclectic Summer Estate Auction featuring exquisite timepieces and fine jewelry; paintings and decorative art; rugs and other quality antiques. Internet live bidding will be provided by LiveAuctioneers.com. From a Philadelphia art pottery collector’s estate […]
![Jasper52 presents Treasures of Time: Estate Designer Jewelry May 28](https://www.liveauctioneers.com/news/wp-content/uploads/2024/05/178015692_1_x.jpg)
Jasper52 presents Treasures of Time: Estate Designer Jewelry May 28
NEW YORK – On Tuesday, May 28, starting at 7 pm Eastern time, Jasper52 will conduct a sale titled Treasures of Time: Estate Designer Jewelry, consisting of exactly 221 lots. Absentee and Internet live bidding will be available through LiveAuctioneers. Highlights include an 18K gold and diamond bracelet by the Italian jewelry firm of Roberto […]