![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)
Platinum Jewelry
![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 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)
![Estate Cushion 3.65cts Fancy Yellow Diamond Platinum Gold Halo Stud Earrings: Features two vibrant natural intense yellow Cushion-cut Diamond in the centers, weighing approx. 3.10 carats in total, VS1-VS2 clarity. urrounded by icy white fiery diamonds. weigh appx. 0.50 carats a](https://p1.liveauctioneers.com/2211/332393/179263846_1_x.jpg?height=310&quality=70&version=1717524154)
![Vintage Multi shape 6.65cts Diamond Platinum dangle drop Earrings: An approximate 3.20 carats Marquise adorns the base of the earrings F-G color, VS1 and SI1 clarity. With additional multi shape diamond weighing approx. 3.45 carat H-I Color, Vs1-VS2 clarity. Total di](https://p1.liveauctioneers.com/2211/332393/179263854_1_x.jpg?height=310&quality=70&version=1717524154)
![GIA Diamond 8.27ct No Heat Ceylon Sapphire Platinum Drop Earrings: These earrings hold two GIA certified sapphires of a modified trapezoid mixed cut, transparent clarity and weighing in at 8.27 carats total (4.12ct + 4.15ct). The top of the uniquely cut natural sapph](https://p1.liveauctioneers.com/2211/332393/179263853_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)
![Certified 9.02cts Zambian Emerald Diamond Platinum Cocktail Ring: Crafted in Platinum with 18K Yellow Gold Bezel, prominently features in the center an AGL Certified Zambian Square High-Quality Emerald, weighing approximately 7.88 carats, sided by (2) Genuine Natura](https://p1.liveauctioneers.com/2211/332393/179264053_1_x.jpg?height=310&quality=70&version=1717524154)
![Vintage Art Deco 27.90cts Diamond Platinum Geometric Wide Link Bracelet: This vintage, elegant bracelet is hand-crafted in platinum. The center of the links showcases (8) Old European-cut natural diamonds weighing approx. 6.80 carats, and (16) old Triangular Cut & (16) old](https://p1.liveauctioneers.com/2211/332393/179264065_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)
![Scott Kay Solid 950 Platinum Fancy Textured Milgrain 5.9mm Comfort Fit Band Ring: A solid platinum band ring by scott kay. The ring is size 10, weighs a total of 12.44 grams, and measures 5.95 mm wide.](https://p1.liveauctioneers.com/6100/333914/180426074_1_x.jpg?height=310&quality=70&version=1718818733)
![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/989/333726/180290169_1_x.jpg?height=310&quality=70&version=1718659051)
![Solid Platinum 18K Yellow Gold 3.69 ctw Oval Opal & Diamond Halo Pendant Necklac: An estate solid platinum and 18k yellow gold pendant necklace, with 1 oval cabochon cut natural opal (12.2x10.0mm - 2.33ct), surrounded with 17 round brilliant cut natural diamonds (E/F- VVS2/VS1; 1.3](https://p1.liveauctioneers.com/989/333726/180290083_1_x.jpg?height=310&quality=70&version=1718659051)
![NEW Platinum 1.36 ctw Round Bezel Large Diamond Five 5 Stone Wedding Band Ring: A new solid platinum band ring, with 5 round brilliant cut natural diamonds (G/H - VS1/VS2 ; 1.36ctw). The ring is size 6.5, weighs a total of 5.46 grams, and measures 5.10mm wide.](https://p1.liveauctioneers.com/989/333726/180289884_1_x.jpg?height=310&quality=70&version=1718659051)
![Antique Art Deco Platinum Old Euro & Mine Cut Diamond Open Geometric Brooch Pin: An antique art deco solid platinum open pin brooch, with 38 old european and old mine cut natural diamonds (G/I - VS1/VS2 w/ a few SI1; 3.10ctw). Measures 21.20x41.80mm and weighs a total of 6.86 gram](https://p1.liveauctioneers.com/989/333726/180289720_1_x.jpg?height=310&quality=70&version=1718659051)
![Antique Art Deco Platinum 0.64 ctw Transitional Cut Diamond Two Row Wave Band Ri: An art deco solid platinum wave stack band ring, with 20 old transitional cut natural diamonds (F/G - VS1/VS2 ; 0.64ctw). The ring is size 6.0, weighs a total of 3.24 grams, and measures 5.5mm wide.](https://p1.liveauctioneers.com/6100/333544/180157619_1_x.jpg?height=310&quality=70&version=1718402356)
![Antique Art Deco Platinum GIA Round Diamond Sapphire Infinity Leaf Link Bracelet: An antique solid platinum infinity leaf link bracelet, with 1 Gia certified old european cut natural diamond (K- SI1 ; 1.14 ct), and 2 round mixed cut natural sapphires (2.17ctw), with 4 old european](https://p1.liveauctioneers.com/6100/333804/180334224_1_x.jpg?height=310&quality=70&version=1718742694)
![New Platinum Sapphire and Diamond Engagement Ring: A new solid .950 platinum engagement ring featuring a bezel set square step cut sapphire accented by round brilliant cut diamonds (F/G - VS1). The ring is size 6.5, weighs a total of 6.77 grams, and m](https://p1.liveauctioneers.com/6100/333804/180334171_1_x.jpg?height=310&quality=70&version=1718742694)
![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/989/333730/180291262_1_x.jpg?height=310&quality=70&version=1718660119)
![Men's Antique 14k Rosy Yellow Gold & Platinum Mother of Pearl Round Cuff Links: An antique solid 14k rosy yellow gold and platinum cufflinks, with 4 round shape mother of pearls (10.8mm). These cuff links have a linking bar design with a clearance of 14.70mm, weigh a total of 6.3](https://p1.liveauctioneers.com/989/333731/180292933_1_x.jpg?height=310&quality=70&version=1718661243)
![Antique Victorian 14k Gold & Platinum GIA Old Sapphire Ruby Diamond Long Bar Pin: An antique solid 14k yellow gold & platinum bar brooch, with 4 Gia certified old round cut natural sapphires (0.80ctw), and 6 Gia certified oval cut natural rubies (1.10ctw ), with 13 old mine cut nat](https://p1.liveauctioneers.com/989/333731/180292846_1_x.jpg?height=310&quality=70&version=1718661243)
![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/989/333731/180292255_1_x.jpg?height=310&quality=70&version=1718661243)
![Antique Edwardian Platinum Top 18k Gold 0.55 ctw Diamond Milgrain Bar Pin Brooch: An antique edwardian solid platinum & 18k yellow gold bar pin brooch, with 28 old rose & european cut natural diamonds (G/J - VS2/SI2 ; 0.55ctw). Measures 10.65x56.9mm and weighs a total of 4.27 grams](https://p1.liveauctioneers.com/6100/333806/180355933_1_x.jpg?height=310&quality=70&version=1718746013)
News about Platinum Jewelry
![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 […]