Platinum Brooches & Pins
![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)
![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)
![Antique Deco 6.55cts Old European Diamond Platinum Filigree Brooch Pin: Antique Deco 6.55cts Old European Diamond Platinum Filigree Brooch Pin. This Handsome original antique art deco filigree Diamond brooch pin is crafted in solid platinum. The center diamond is bezel se](https://p1.liveauctioneers.com/2211/332393/179264003_1_x.jpg?height=310&quality=70&version=1717524154)
![ITO HIROAKI BROOCH 15TH MELLOW SAPPHIRE 1.18CT: ITO HIROAKI Brooch 15TH Mellow Sapphire 1.18ct Brand: ITO HIROAKI Type: Brooch Material: 900/Platinum, 18K/750/Yellow Gold Color: None Size: 30.7 x 36.7mm Accessories: None Accessories No](https://p1.liveauctioneers.com/6177/332290/179215808_1_x.jpg?height=310&quality=70&version=1717432081)
![VINTAGE TIFFANY & CO. NATURE SERIES CRAB BROOCH: VINTAGE Tiffany & Co. Nature Series crab Brooch Brand: Tiffany Type: Pendant Brooch Material: Platinum Color: None Size: HxW: 27.2mmx28.2mm Accessories: None Accessories Notice: When purc](https://p1.liveauctioneers.com/6177/333686/180273145_1_x.jpg?height=310&quality=70&version=1718639147)
![TIFFANY HEART DIAMOND BROOCH IN PLATINUM: Tiffany Heart Diamond Brooch in Platinum Brand: Tiffany Type: Brooch Material: Platinum 950 Color: None Size: 22.1cm x 23.5cm / 8.7'' x 9.25'' Accessories: None Accessories Notice: When p](https://p1.liveauctioneers.com/6177/333687/180273637_1_x.jpg?height=310&quality=70&version=1718639810)
![TIFFANY LEAF MOTIF DIAMOND BROOCH PLATINUM: Tiffany Leaf Motif Diamond Brooch Platinum Brand: Tiffany Type: Brooch Material: Platinum, (18K) Color: Gold, Silver Size: 75.5cm x 6.5cm / 29.72'' x 2.55'' Accessories: None Accessories](https://p1.liveauctioneers.com/6177/333687/180273282_1_x.jpg?height=310&quality=70&version=1718639810)
![900PT/18KYG DIAMOND & SAPPHIRE CASTLE MOTIF BROOCH: Brooch with a beautiful 18-karat yellow gold castle design, 900-purity platinum leaves, approximately 0.03 carats of round brilliant diamonds, and approximately 0.04 carats of round-cut sapphires. Sta](https://p1.liveauctioneers.com/2682/333609/180215290_1_x.jpg?height=310&quality=70&version=1718510692)
![Antique 18kt Gold and Platinum Pendant / Brooch with Sapphires and Diamonds: Antique Round Pendant / Brooch crafted in 18k yellow Gold and Platinum on top, featuring 8 Round cut Sapphires weighing Approx. 1.00 carats. Along with Rose cut Diamonds. Diameter: 0.95 inches. Total](https://p1.liveauctioneers.com/7877/333606/180214432_1_x.jpg?height=310&quality=70&version=1718513102)
![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/5584/332497/179317120_1_x.jpg?height=310&quality=70&version=1718142737)
![Art Deco platinum & diamond pin circa1920s': The pin is set with eight diamonds. It is weighing 1.25cts. It is stamped inside the pin. SI in clarity and H-I in color. 2 1/2" long weighs 5.00gr condition excellent.](https://p1.liveauctioneers.com/5870/332992/179756716_1_x.jpg?height=310&quality=70&version=1718238316)
![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)
![18k Y/G and platinum Diamond and Ruby circle Brooch: Lovely brooch is set with 24 rubies= 2.75 cts. And 19dimonds=1.77 cts. Rubies are Thai. Diamonds are VS in clarity and G_H in color. The back has a screw. Weighs 27.6 gr. 1 1/2" in diameter. Excellent](https://p1.liveauctioneers.com/5870/332992/179756705_1_x.jpg?height=310&quality=70&version=1718238316)
![Tiffany & Co Platinum & Diamond Pin Brooch SEAGULL 1.40ct Large Size 2?? $12,000: Condition: Pre-owned: An item that has been used or worn previously. See the seller’s listing for full details and description of any imperfections. ,Main Stone Creation: Natural,Signed: Yes,Cut Gra](https://p1.liveauctioneers.com/3721/333196/180216345_1_x.jpg?height=310&quality=70&version=1718532817)
![Art Deco Platinum Diamond & Pearl Brooch.: Center natural Pearls Measures: 7 1/2"mm. Ca 1930'. All dia are single cut. weighs:1.7cts. VS in clarity G-H on color. Weighs:15gramd. Measures: 2 x 2". Condition: Used.](https://p1.liveauctioneers.com/5870/332992/179756863_1_x.jpg?height=310&quality=70&version=1718238316)
![One Platinum, Diamond and Synthetic Sapphire Brooch: GUILD laboratories' certificates are as accurate as GIA AND AGL certificates, and Sumer collection stands a hundred percent behind Guild laboratory's certifications.](https://p1.liveauctioneers.com/5870/332992/179756726_1_x.jpg?height=310&quality=70&version=1718238316)
![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/5584/332484/179311542_1_x.jpg?height=310&quality=70&version=1718142738)
![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/5584/332484/179311534_1_x.jpg?height=310&quality=70&version=1718142738)
![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)
![c.1930's Indian Epic Motif Diamond Gems Platinum Gold Earrings and Pin Set: About the Item Inspired by Indian epic, lovely set consisting of a pair of earrings and a pin. It depicts Hanuman, a Hindu god and an ardent devotee of god Rama. When Rama's younger brother Lakshmana](https://p1.liveauctioneers.com/5584/332704/179475111_1_x.jpg?height=310&quality=70&version=1718142737)
![Chaumet Retro BROOCH 18k Gold Diamond Pin Estate Jewelry: CHAUMET Retro 18 karat Yellow Gold Diamond Brooch 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 p](https://p1.liveauctioneers.com/3780/331958/179092560_1_x.jpg?height=310&quality=70&version=1717192562)
![Henry Dunay Sabi Yellow Gold Platinum Earrings Brooch Set: Henry Dunay Sabi Yellow Gold Platinum Earrings Brooch Set. 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 c](https://p1.liveauctioneers.com/3780/331958/179092501_1_x.jpg?height=310&quality=70&version=1717192562)
![Edwardian Diamond & Platinum Brooch Pin 1920's: About the Item Classic Edwardian brooch created in Europe in the 1920's. Old hand-cut diamonds, open-work airy design, floral motifs are the highlights of this lovely timeless piece. Diamond total wei](https://p1.liveauctioneers.com/5584/332704/179475102_1_x.jpg?height=310&quality=70&version=1718142737)
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 […]