![1.40ct Natural Diamonds Platinum Pin Edwardian Deco Vintage Ref 12329: 1.40ct Natural Diamonds Platinum Pin Edwardian Deco Vintage Ref 12329 $9500.0 PRODUCT DESCRIPTION Vintage Platinum Brooch Pin .50ct natural marquise & 1.40ct natural round diamonds G-color Vs-2 Clarit](https://p1.liveauctioneers.com/5584/332483/179311235_1_x.jpg?height=310&quality=70&version=1718142738)
Platinum Brooches & Pins
![1.40ct Natural Diamonds Platinum Pin Edwardian Deco Vintage Ref 12329: 1.40ct Natural Diamonds Platinum Pin Edwardian Deco Vintage Ref 12329 $9500.0 PRODUCT DESCRIPTION Vintage Platinum Brooch Pin .50ct natural marquise & 1.40ct natural round diamonds G-color Vs-2 Clarit](https://p1.liveauctioneers.com/5584/332483/179311235_1_x.jpg?height=310&quality=70&version=1718142738)
![Platinum Estate Natural GIA Certified Fancy Diamond Emerald Pin Ref 12343: Platinum Estate Natural GIA Certified Fancy Diamond Emerald Pin Ref 12343 $12,000.00 PRODUCT DESCRIPTION GIA Certified Estate Platinum Emerald pin. GIA Certified: 1.07ct natural fancy Brown Green yell](https://p1.liveauctioneers.com/5584/330584/178268429_1_x.jpg?height=310&quality=70&version=1716924723)
![Vintage 1950's Blue Sapphire Diamond Platinum Brooch Pin, .30 CTW, 4.96 Gr: Vintage 1950's Blue Sapphire Diamond Platinum Brooch Pin, .30 CTW, 4.96 Gr Make a statement with this gorgeous one-of-a-kind brooch! Please let us know if you have any questions. Diamonds: 1 round bri](https://p1.liveauctioneers.com/5584/330569/178263029_1_x.jpg?height=310&quality=70&version=1716927854)
![Vintage 1950's Blue Sapphire Diamond Platinum Brooch Pin, .30 CTW, 4.96 Gr: Vintage 1950's Blue Sapphire Diamond Platinum Brooch Pin, .30 CTW, 4.96 Gr Make a statement with this gorgeous one-of-a-kind brooch! Please let us know if you have any questions. Diamonds: 1 round bri](https://p1.liveauctioneers.com/5584/331602/178878352_1_x.jpg?height=310&quality=70&version=1717530687)
![2.41ct Natural Sapphire Diamonds Platinum Brooch Platinum Baguette Ref 12326: 2.41ct Natural Sapphire Diamonds Platinum Brooch Platinum Baguette Ref 12326 $2500.0 PRODUCT DESCRIPTION Sapphire Flower Brooch .91ct Natural Blue Sapphire Round Cut, Clean Clarity 5.6mm diameter 1.50](https://p1.liveauctioneers.com/5584/332483/179311318_1_x.jpg?height=310&quality=70&version=1718142738)
![1.30ct Natural Diamonds Platinum Pin Edwardian Deco Vintage Platinum 12310: 1.30ct Natural Diamonds Platinum Pin Edwardian Deco Vintage Platinum 12310 $3000.0 PRODUCT DESCRIPTION Vintage Platinum Brooch Pin 1.30ct natural round diamonds H-color Vs-2 Clarity 2.6 inch long Hand](https://p1.liveauctioneers.com/5584/330583/178267902_1_x.jpg?height=310&quality=70&version=1716924723)
![2.00ct Diamonds cluster brooch pendant pin Platinum Estate Cluster Cocktail: Estate Prime Cocktail 2.00ct. Natural diamonds Brooch Cluster pin. Rounds, Full cut Brilliant. H-color Vs-2 Si-1 clarity. Platinum 16.8 grams. Measures: 1 x 2 inch Excellent made $7000 appraisal certi](https://p1.liveauctioneers.com/5584/331600/178874845_1_x.jpg?height=310&quality=70&version=1717530687)
![25ct Cobalt Blue Lab Sapphire Diamonds Brooch pin Platinum+: Flaming Sapphire Brooch 20ct Lab Sapphires Emerald Cuts, Cobalt Blues. 5.00ct Natural Diamonds. Rounds, Full cut Brilliant. G-color VS-2 clarity. Platinum intricate details 28 grams. Overall: 3 X 1.3](https://p1.liveauctioneers.com/5584/330583/178268069_1_x.jpg?height=310&quality=70&version=1716924723)
![5.00ct Diamonds cluster brooch pendant pin Platinum Estate Cluster Cocktail: Estate Prime Cocktail 5.00ct. diamonds Brooch Cluster pin. Baguettes, Marquise & Rounds, Full cut Brilliant. F-color Vs-2 clarity. Platinum 27 grams. Measures: 1.95 x .97 inch Excellent made $15000 ap](https://p1.liveauctioneers.com/5584/331600/178874824_1_x.jpg?height=310&quality=70&version=1717530687)
![Vintage Brooch 18k Gold Diamond Flower Pin Estate Jewelry: About the Item An amazing vintage brooch, made of 18 karat yellow gold and platinum, featuring diamonds. The brooch is designed as a stylized bouquet of flowers or a fire torch. It comprises yellow go](https://p1.liveauctioneers.com/5584/331564/178846873_1_x.jpg?height=310&quality=70&version=1717530687)
![Chaumet Retro Brooch 18k Gold Diamond Pin Estate Jewelry: About the Item A French chic retro diamond brooch by Chaumet Paris made of 18 karat gold and platinum. During the Retro jewelry era, scrolls became one of the most popular design motifs. In this brooc](https://p1.liveauctioneers.com/5584/331564/178846827_1_x.jpg?height=310&quality=70&version=1717530687)
![Henry Dunay Sabi Yellow Gold Platinum Earrings Brooch Set: About the Item An 18k yellow gold and platinum set of earrings and a brooch from Sabi collection by Henry Dunay. The earrings are knot shape with clip-on closure. The brooch has beautiful curves and i](https://p1.liveauctioneers.com/5584/331564/178847003_1_x.jpg?height=310&quality=70&version=1717530687)
![4.50ct Natural Diamonds Ninja Star Pin Platinum: Tri Star 4.50ct Natural Diamonds Star Form Pin Rounds, Brilliant cut. G-H-color Vs-2 clarity. Platinum 44.3 grams. Overall: 2.3 x 2.3 inch Excellent made Gorgeous Details $25,000 Appraisal Certificate](https://p1.liveauctioneers.com/5584/330584/178268245_1_x.jpg?height=310&quality=70&version=1716924723)
![4.50ct Natural Diamonds Ninja Star Pin Platinum: Tri Star 4.50ct Natural Diamonds Star Form Pin Rounds, Brilliant cut. G-H-color Vs-2 clarity. Platinum 44.3 grams. Overall: 2.3 x 2.3 inch Excellent made Gorgeous Details $25,000 Appraisal Certificate](https://p1.liveauctioneers.com/5584/332483/179311111_1_x.jpg?height=310&quality=70&version=1718142738)
![Pearl Diamond Platinum Gold Double Clip Brooch Pin, French, 1930s: About the Item A pair of double clips created in France in the 1930s. Unusual and French chic, the pair is a great addition to your jewelry collection. Made of platinum (tested) and 18 karat (tested)](https://p1.liveauctioneers.com/5584/331564/178847104_1_x.jpg?height=310&quality=70&version=1717530687)
![10ct natural diamonds neoclassical brooch 18kt gold platinum Ref 12316: 10ct natural diamonds neoclassical brooch 18kt gold platinum Ref 12316 $12000.0 PRODUCT DESCRIPTION 10.00ct. diamonds large sized brooch pin. (Possible for pendant). Rounds, Full cut Brilliant. G-colo](https://p1.liveauctioneers.com/5584/330583/178267873_1_x.jpg?height=310&quality=70&version=1716924723)
![Vintage 5.00cts Diamond Platinum Wreath Brooch Pin: Measurements: 35mm x 33mm. Diamonds Weight Approx: 5.00 cttw](https://p1.liveauctioneers.com/6687/332297/179218554_1_x.jpg?height=310&quality=70&version=1717443039)
![Henri Piquet Turquoise Diamond Platinum Pin Brooch Clip: About the Item Stunning turquoise and diamond safety pin created by Henri Piquet in France in the 1920s. Chic and elegant, the pin is a great addition to your jewelry collection. It is made of platinu](https://p1.liveauctioneers.com/5584/331564/178847102_1_x.jpg?height=310&quality=70&version=1717530687)
![Antique Deco Sailfish Aquamarine Diamond Platinum Brooch Pin: The center exposes a genuine fancy-cut flawless GIA pear-shaped Blue Aquamarine weighing approximately 30.00 carats and is accented with numerous round-cut diamonds,all approx. 5.00 carats in total, F](https://p1.liveauctioneers.com/6687/332297/179218577_1_x.jpg?height=310&quality=70&version=1717443039)
![Vintage 12.82cttw Diamond Platinum Double Clip Brooch Pin: Presenting an exquisite vintage jewelry piece: a double clip brooch pin showcasing an impressive 12.82 carat total weight of natural diamonds, all set in elegant platinum. This brooch is a testament t](https://p1.liveauctioneers.com/6687/332297/179218497_1_x.jpg?height=310&quality=70&version=1717443039)
![Estate Art Deco 15.00 Carats Diamond Platinum Double Clip Brooch: Measurements: 2.5" x 1.5". Total Diamonds Weight Approx: 15.00 carats](https://p1.liveauctioneers.com/6687/332297/179218646_1_x.jpg?height=310&quality=70&version=1717443039)
![Suzanne Belperron Dents de Loup Clip Brooches Diamond Gold Platinum: About the Item A pair of magnificent double clips designed by Suzanne Belperron and manufactured by company B. Herz in Paris between 1932 and 1940. The piece comes with an authentication certificate f](https://p1.liveauctioneers.com/5584/330568/178262556_1_x.jpg?height=310&quality=70&version=1716924723)
![A diamond and platinum brooch: A diamond and platinum broochof foliate motif, featuring 12 round brilliant-cut diamonds ranging from 1.04 carats to approximately 0.78 carat, framed by 30 marquise-cut diamonds and accented by a stem](https://p1.liveauctioneers.com/306/333073/179802200_1_x.jpg?height=310&quality=70&version=1718146324)
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 […]