Platinum Brooches & Pins
![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)
![Platinum 5.00 Ct. Diamond & Pearl Brooch: Platinum 5.00 Ct. Diamond & Pearl Brooch Weighing 18.0 grams Set with app. 5.00 Ct. of Diamonds H-J Color, VS1-SI3 Clarity Along with 3 Pearls 2.25 inches in length](https://p1.liveauctioneers.com/6970/332422/179277466_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)
![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)
![Tiffany & Co. 2.75 Carat Round Brilliant F VS1 Diamond Pearl Platinum Brooch: Designer: Tiffany & Co Title: Tiffany & Co 2.75 Carat Round Brilliant F VS1 Diamond Platinum Brooch Metal: Platinum Gemstone 1: 2.75 Carat Diamond Number of Stones: 96 Color: F Clarity: VS1 Shape: Rou](https://p1.liveauctioneers.com/3780/329167/177974208_1_x.jpg?height=310&quality=70&version=1715878703)
![Platinum Topped Gold and Diamond Star Brooch / Pendant, E.M Gattle & Co.: Platinum Topped Gold and Diamond Star Brooch / Pendant, E.M Gattle & Co.in a six-point star motif set to the center with an old European cut diamond (5mm) and bezel set old European cut diamonds, the](https://p1.liveauctioneers.com/250/333351/179989201_1_x.jpg?height=310&quality=70&version=1718312227)
![Vintage Platinum and Diamond Circle Brooch: Vintage Platinum and Diamond Circle Broochthe filigree circle brooch with floral trellis motif, set with old European cut diamonds weighing approximately .40 total carat (G-H color, SI1-SI2 clarity),](https://p1.liveauctioneers.com/250/333351/179989200_1_x.jpg?height=310&quality=70&version=1718312227)
![An Art Deco large-scale platinum brooch set with diamonds.: An impressive Art Deco large-scale platinum brooch (acid tested), adorned with geometric patterns and set with an old cut diamond weighing approximately 0.35 carats. Total diamond weight approximately](https://p1.liveauctioneers.com/6253/332449/179301283_1_x.jpg?height=310&quality=70&version=1717577449)
![Citrine diamond brooch around 1890: Citrine diamond brooch around 1890 RG 585/000 (Russian 56 hallmarked), silver and platinum, tested, with an oval faceted citrine 35 x 19 x 12 mm as well as 20 rose cut diamonds and 34 old cut diamonds](https://p1.liveauctioneers.com/609/331514/178829015_1_x.jpg?height=310&quality=70&version=1716985492)
![ELWOOD VAN CLIEF Vintage Diamond Platinum Brooch Pin 17.50 Carats: Weighing approx. 28.4 grams and measuring 60mm x 32mm. This brooch is covered with (36) marquise diamonds, (30) baguette diamonds, and (32) round-faceted diamonds weighing cumulatively 17.50cts, (grad](https://p1.liveauctioneers.com/2211/332393/179264040_1_x.jpg?height=310&quality=70&version=1717524154)
![Art Deco Platinum 6.00 ctw Old European and Mine Cut Diamond Filigree Brooch: An art deco period platinum filigree brooch with a central 1.58ct old European cut diamond (K - SI1) surrounded by 4.42ctw of European and mine cut diamonds (G to I - VS2 to SI2). Measures 21.10x75.05](https://p1.liveauctioneers.com/989/332987/179754022_1_x.jpg?height=310&quality=70&version=1718053323)
![Antique Art Deco Platinum 4.04 ctw Old European Diamond Filigree Bar Pin Brooch: An antique solid platinum pin brooch, with 22 old eurooean cut natural diamonds (H-L - VS2/SI2 ; 4.04ctw)Measures 15.60x76.25mm and weighs a total of 10.51 grams.](https://p1.liveauctioneers.com/6100/333037/179789505_1_x.jpg?height=310&quality=70&version=1718125734)
![SEIKO SEIKO JEWELRY PT900 K18YG: SEIKO Seiko Jewelry PT900 K18YG Brand: Seiko Type: Brooch Material: Platinum 900, Yellow gold (18K) Color: None Size: 7cm x 2.5cm / 2.75'' x 0.98'' Accessories: None Accessories Notice: W](https://p1.liveauctioneers.com/6177/331471/178773857_1_x.jpg?height=310&quality=70&version=1716923107)
![TIFFANY&CO. BROOCH DIAMOND DRAGONFLY 950 PLATINUM: Tiffany&Co. Brooch Diamond Dragonfly 950 Platinum Brand: Tiffany & Co. Type: Brooch Material: Platinum Color: None Size: 21.0 x 20.0mm Accessories: None Accessories Notice: When purchasin](https://p1.liveauctioneers.com/6177/332290/179215118_1_x.jpg?height=310&quality=70&version=1717432081)
![Platinum & 14K Gold, Sapphire Brooch and 14K Gold Bust Brooch: 1st item: Ladies platinum and 14K yellow gold brooch featuring a round natural sapphire. The brooch is marked "14K" and XRF tests 14K gold on the back with 90% platinum on the face. The broo](https://p1.liveauctioneers.com/525/332539/179372107_1_x.jpg?height=310&quality=70&version=1717698500)
![Art Deco Platinum 7.00 Ct. Diamond Starburst Brooch: Art Deco Platinum 7.00 Ct. Diamond Starburst Brooch Weighing 38.6 grams Set with app. 7.00 Ct. of Diamonds F-G Color, VVS-VS Clarity 2.75 inches in length](https://p1.liveauctioneers.com/6970/332422/179277484_1_x.jpg?height=310&quality=70&version=1717584831)
![Art Deco Platinum 14.50 Ct. Diamond Heart Brooch: Art Deco Platinum 14.50 Ct. Diamond Heart BroochWeighing 21.7 gramsSet with 10 Diamonds weighing app. 7.50 Ct.35 Diamonds weighing app 4.00 Ct.And 14 Diamonds weighing app. 3.00 Ct.F-H Color, VVS-VS C](https://p1.liveauctioneers.com/1692/331206/178647433_1_x.jpg?height=310&quality=70&version=1716648721)
![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)
![Vintage BROOCH 18k Gold Diamond Flower Pin Estate Jewelry: Vintage Platinum 18 karat Yellow Gold Diamond Brooch An amazing vintage brooch, made of 18 karat yellow gold and platinum, featuring diamonds. The brooch is designed as a stylized bouquet of flowers o](https://p1.liveauctioneers.com/3780/331958/179092603_1_x.jpg?height=310&quality=70&version=1717192562)
![3.75 Total Carat Round Brilliant J VS1 and Diamond Platinum Pin: Title: 3.75 Carat Baguette Shape J VS1 and Round Brilliant J VS1 and Half Moon Shape J VS1 Diamond Platinum Pin Metal: Platinum Gemstone 1: 2.25 Carat Diamond Number of Stones: 56 Color: J Clarity: VS](https://p1.liveauctioneers.com/3780/329167/177974270_1_x.jpg?height=310&quality=70&version=1715878703)
![Art Deco DOUBLE CLIP Pin Brooch Pair French Platinum Gold Pearl Diamond 1930s: Pair of Pearl Diamond Platinum Yellow Gold Double Clips French 1930s A pair of stunning and unusual double clips. Chic accent to any outfit, the double clips are a great addition to your jewelry colle](https://p1.liveauctioneers.com/3780/331958/179092431_1_x.jpg?height=310&quality=70&version=1717192562)
![Vintage Cartier Monture Platinum Diamond BROOCH Pin Clip: Cartier Monture Diamond Platinum Clip Stylish elegant clip made of platinum and set with round brilliant cut and baguette cut diamonds (F-G color, VS1 clarity, 2.75 carats total). Measurements: 1 1/4"](https://p1.liveauctioneers.com/3780/331958/179092426_1_x.jpg?height=310&quality=70&version=1717192562)
![Art Deco DIAMOND RUBY EMERALD PLATINUM GOLD EARRINGS PIN SET 1930s Indian Epic: c.1930’s Indian Epic Motif Gems, Diamond, Platinum & Gold Earring & Pin Set Wonderful set consisting of a pair of earrings and a pin that is a great addition to your collection. Inspired by Indian e](https://p1.liveauctioneers.com/3780/331958/179092389_1_x.jpg?height=310&quality=70&version=1717192562)
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 […]