Platinum Brooches & Pins
![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)
![MAUBOUSSIN BROCHE 'MARTEAU' ART DÉCO DIAMANTS: MAUBOUSSIN BROCHE 'MARTEAU' ART DÉCO DIAMANTS Details Old-cut diamonds, platinum and 18k white gold (French marks), French maker’s mark, numbered, circa 1942 Expert certificate by Marguerit](https://p1.liveauctioneers.com/6670/333048/179794395_1_x.jpg?height=310&quality=70&version=1718372539)
![Antique Art Deco 5.50ct Diamond Platinum Filigree Geometric Open Brooch Pin: Genuine Round Cut Diamond bezel-set & prong set, total weight is 5.50 carats in total, G-H color, and VS1 clarity. The complete piece measures approximately 2.25 x 1 and is secured with a bar pin.](https://p1.liveauctioneers.com/2211/332393/179263825_1_x.jpg?height=310&quality=70&version=1717524154)
![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)
![Vintage 21.90cts Platinum Mixed-cut Natural Diamond tassel Brooch Pin: This beautiful Vintage 1960s diamond brooch pin is crafted in solid platinum. Displaying a delicate swirl design with exquisite details and exceptional artistry, this unique brooch pin is embellished](https://p1.liveauctioneers.com/2211/332393/179264058_1_x.jpg?height=310&quality=70&version=1717524154)
![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)
![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)
![Platinum over yellow gold edwardian dimond, pearl: Brooch is composed of old min-cut and rose-cut diamonds; diamonds are SI in clarity and I-g COLLER, total diamond weight app. 2.00 CTS. Pearls 4mm,5mm Circa 1880 Diamond andPearl and Gold 9.2 grams 11](https://p1.liveauctioneers.com/5870/332992/179756654_1_x.jpg?height=310&quality=70&version=1718238316)
![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)
![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)
![Platinum and 9ct White Gold Bouquet of Flower Brooch.: platinum and 9ct white gold set brooch in the shape of a bouquet of flowers, the brooch features 3 flower in which have mixed gems as such peridots, tourmaline, amethyst and citrine al in a cluster se](https://p1.liveauctioneers.com/9184/332128/179156423_1_x.jpg?height=310&quality=70&version=1717346843)
![ART DECO PLATINUM AND DIAMOND BROOCH, 7.5g: An antique platinum pin brooch, featuring round, baguette, and trillion cut diamonds, testing platinum, with safety chain. L. 4cm](https://p1.liveauctioneers.com/1124/333788/180327061_1_x.jpg?height=310&quality=70&version=1718732790)
![Antique 18ct Gold Platinum and Diamond Brooch: Antique 18ct Gold Platinum and Diamond Brooch, 1.86ct Diamond. HALLMARKS: Tested for 18ct Gold & Plat MEASUREMENT: 69mm long by 4.5mm wide CONDITION](https://p1.liveauctioneers.com/9184/332128/179156377_1_x.jpg?height=310&quality=70&version=1717346843)
![Vintage GIA Blue Sapphire Diamond Platinum Star Flower Brooch Pin: The focal point of this piece is the Deep Blue Center Blue Sapphire, weighing approx. 1.70 carats, round cut with Prong Set. The petals are adorned with (95) Diamonds, an Old cut prong set, weighing c](https://p1.liveauctioneers.com/2211/332393/179263972_1_x.jpg?height=310&quality=70&version=1717524154)
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 […]