![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)
Platinum Brooches & Pins
![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)
![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)
![Antique Cushion Amethyst Diamond Platinum Brooch Pin: The large cushion amethyst of approximately 17.50 carats is held in a prong setting. Decoring the glamorous prongs are pavé settings, composed of (14) European round-cut diamonds, weighing approx. 1.](https://p1.liveauctioneers.com/2211/332393/179263910_1_x.jpg?height=310&quality=70&version=1717524154)
![Antique Art Deco Diamond Pearl Platinum Double Clip Brooch Pin: Measuring 21 x 57mm, the brooch is adorned with a variety of emerlad, marquise and round faceted diamonds with 6 cultured Pearls placed strategically. Diamonds weigh appx. 2.75 carats and are of G-H c](https://p1.liveauctioneers.com/2211/332393/179263836_1_x.jpg?height=310&quality=70&version=1717524154)
![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)
![Vintage 9.80cts Diamond Flower 18k Gold Platinum Brooch Pin: This breathtaking vintage brooch pin is from circa the late 1960s. This diamond flower brooch pin is crafted in solid 18K yellow gold and solid platinum. Featuring a gorgeous blooming flower with leav](https://p1.liveauctioneers.com/2211/332393/179263990_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)
![Antique Old European Cut Diamond Green Jade Platinum Floral Marquise Large Brooch Pendant: The Brooch features a central lush, vibrant apple green Genuine jade stone, adding a touch of natural beauty and a pop of color to the piece. The jade stone is carefully polished, Cabochon Marquise-sh](https://p1.liveauctioneers.com/2211/332393/179264016_1_x.jpg?height=310&quality=70&version=1717524154)
![Vintage Retro 15.69cts Diamond Platinum Floral Bouquet Lapel Brooch: The flowers on this enchanting bouquet are simulated by marquise diamonds approx. 4.85cttw, H-I color, VS2-SI2 clarity. The stems are enriched throughout with a combination of baguette approx. 2.65cts](https://p1.liveauctioneers.com/2211/332393/179263849_1_x.jpg?height=310&quality=70&version=1717524154)
![CARTIER Vintage 6.50cts Diamond Platinum Elegant Botanical Pin Brooch: (3) round-cut, prong-set, (3) marquise-cut, half bezel-set, (11) marquise diamond, diamonds and (12) tapered baguette-cut Diamonds, Channel set, and (8) Pear-shape diamond. Total Diamond Weight 6.50 c](https://p1.liveauctioneers.com/2211/332393/179263851_1_x.jpg?height=310&quality=70&version=1717524154)
![Vintage 1950's 18.00cts Diamond Brooch Platinum Pin: It showcases six large round European-cut diamonds, approx. 5.00 carats in total, 21 genuine baguette diamonds, approx. 5.00 carats in total, and some 146 genuine round diamonds, approx. 8.00 carats i](https://p1.liveauctioneers.com/2211/332393/179264035_1_x.jpg?height=310&quality=70&version=1717524154)
![Vintage Retro 15.51ct Diamond Platinum Floral Motif Lapel Brooch: This stunning vintage 1960s lapel brooch of opulent aesthetic and unmatched sophistication depicts a very precious floral bouquet. Marquise diamonds simulate flowers and buds and baguette and round-fa](https://p1.liveauctioneers.com/2211/332393/179264034_1_x.jpg?height=310&quality=70&version=1717524154)
![Vintage 28.68Ct Diamond Platinum Lapel Brooch Pendant: Exuding classic elegance and astonishing glitter, this exquisite and versatile piece of jewelry is centered with a 1.70ct genuine round brilliant-cut diamond graded F-G color and VS1-VS2 clarity, and](https://p1.liveauctioneers.com/2211/332393/179264060_1_x.jpg?height=310&quality=70&version=1717524154)
![Antique Edwardian French 18k Gold & Platinum 0.80 ctw Diamond Pearl Bar Pin Broo: An antique solid 18k yellow gold and platinum bar pin brooch, with 5 round shape cultured pearls (4mm to 4.6mm each), and 20 rose cut natural diamonds (G/H - VS2/SI2 ; 0.80ctw). Measures 70.30x4.60mm](https://p1.liveauctioneers.com/6100/333037/179789636_1_x.jpg?height=310&quality=70&version=1718125734)
![Vintage Platinum 1.98 ctw Baguette Marquise Old Cut Diamond Spray Flame Pin Broo: A vintage solid platinum pin brooch, with 73 old cut natural diamonds (F/G - VS1/VS2 ; 1.18ctw), and 5 baguette cut natural diamonds (G/H - VS1/VS2 ; 0.25ctw), and 3 marquise cut natural diamonds (G/H](https://p1.liveauctioneers.com/989/332989/179757184_1_x.jpg?height=310&quality=70&version=1718055667)
![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/6100/333121/179832123_1_x.jpg?height=310&quality=70&version=1718216427)
![Antique 18K Yellow Gold Pearl Diamond Florentine Finish Large Flower Brooch Pin: An antique solid 18k yellow gold with platinum flower pin brooch, featuring 5 round shape cultured pearls (6.3mm), & 9 round single cut natural diamonds (G/H - SI1/SI2 ; 0.10ctw). Measures 74.6x36.0mm](https://p1.liveauctioneers.com/6100/333121/179831655_1_x.jpg?height=310&quality=70&version=1718216427)
![Antique Belle Epoque Platinum Multi Color Pearl Diamond Wreath Circle Pin Brooch: An antique solid platinum wreath brooch, with 10 round shape cultured pearls (4.6mm to 4.75mm each), and 20 old rose cut natural diamonds (G/H - VS2/SI2 ; 0.30ctw). Measures 32.15mm in diameter and we](https://p1.liveauctioneers.com/6100/333121/179831413_1_x.jpg?height=310&quality=70&version=1718216427)
![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)
![Antique Cushion Amethyst Diamond Platinum Brooch Pin: The large cushion amethyst of approximately 17.50 carats is held in a prong setting. Decoring the glamorous prongs are pavé settings, composed of (14) European round-cut diamonds, weighing approx. 1.](https://p1.liveauctioneers.com/8053/328971/177316962_1_x.jpg?height=310&quality=70&version=1715118143)
![Art Deco platinum 4 carats Old European cut diamond & sapphire brooch SKU-5068: Measurements: 2 1/4" Long by 1" Wide Features 3 old European cut diamonds that weigh about 2.0 cts total weight Accented with 30 old European cut diamonds t](https://p1.liveauctioneers.com/6389/331333/178842938_1_x.jpg?height=310&quality=70&version=1717039898)
![Antique Art Deco Diamond Pearl Platinum Double Clip Brooch Pin: Measuring 21 x 57mm, the brooch is adorned with a variety of emerlad, marquise and round faceted diamonds with 6 cultured Pearls placed strategically. Diamonds weigh appx. 2.75 carats and are of G-H c](https://p1.liveauctioneers.com/8053/328971/177316881_1_x.jpg?height=310&quality=70&version=1715118143)
![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/8053/328971/177317180_1_x.jpg?height=310&quality=70&version=1715118143)
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 […]