![2.99 Carat Old European Cut Shape L-I1 Diamond Platinum Engagement Ring: Title: 2.99 Carat Old European Cut Shape L-I1 Diamond Platinum Engagement Ring Style: Engagement Metal: Platinum Gemstone 1: 2.99 Carat Diamond Number of Stones: 1 Color: L Clarity: I1 Shape: Old Euro](https://p1.liveauctioneers.com/3780/329167/177973967_1_x.jpg?height=310&quality=70&version=1715878703)
Platinum Jewelry
![2.99 Carat Old European Cut Shape L-I1 Diamond Platinum Engagement Ring: Title: 2.99 Carat Old European Cut Shape L-I1 Diamond Platinum Engagement Ring Style: Engagement Metal: Platinum Gemstone 1: 2.99 Carat Diamond Number of Stones: 1 Color: L Clarity: I1 Shape: Old Euro](https://p1.liveauctioneers.com/3780/329167/177973967_1_x.jpg?height=310&quality=70&version=1715878703)
![GIA Radiant Cut 3.00 ct Center VVS2 Clarity, Fancy Yellow Diamond Platinum Halo Ring: GIA Radiant Cut 3.00 ct Center VVS2 Clarity, Fancy Yellow Diamond Platinum Halo Ring Features: 3.31 ctw Only One Available GIA Included Jewelry Grading/Gemological Report Included Product Details Diam](https://p1.liveauctioneers.com/9057/333770/180318095_1_x.jpg?height=310&quality=70&version=1718722990)
![900PT 1.32CT DIAMOND SOLITAIRE RING, 7.25: 900-purity platinum solitaire ring featuring a beautiful natural 1.23-carat solitaire round brilliant diamond. Stamped 132, Pt900, on the inside of the ring band. Details and measurements: Ring size:](https://p1.liveauctioneers.com/2682/333609/180215344_1_x.jpg?height=310&quality=70&version=1718510692)
![Platinum, Gold, & Diamond Art Deco Brooch: Ladies platinum and 14K white gold art deco brooch featuring a round brilliant diamond approximately 0.26 carats, Clarity-VS1, Color-H. The brooch is marked "14K" and XRF tests 14K on the ba](https://p1.liveauctioneers.com/525/332539/179372103_1_x.jpg?height=310&quality=70&version=1717698500)
![Gold, Platinum, & Diamond Brooch: Ladies 18K yellow gold and platinum brooch featuring nineteen (19) rose cut diamonds approximately 0.38 carats together, Clarity-I1, Color-I. The brooch XRF tests 18K gold on the back and 90% pla](https://p1.liveauctioneers.com/525/332539/179372017_1_x.jpg?height=310&quality=70&version=1717698500)
![TIFFANY PLATINUM HARMONY ROUND BRILLIANT DIAMOND ENGAGEMENT RING An Outstanding Tiffany & Co: TIFFANY PLATINUM HARMONY ROUND BRILLIANT DIAMOND ENGAGEMENT RING An Outstanding Tiffany & Co Platinum Harmony Round Brilliant Engagement Ring; comes with Tiffany Box, Pouch and Gift Bag .39 Carat Dia](https://p1.liveauctioneers.com/672/332796/179549312_1_x.jpg?height=310&quality=70&version=1717796272)
![Tiffany & Co. 0.52 Carat Round Brilliant H VS1 Diamond Platinum Band Ring: Designer: Tiffany & Co Title: Tiffany & Co 0.52 Carat Round Brilliant H VS1 Diamond Platinum Band Ring Style: Band Metal: Platinum Gemstone 1: 0.52 Carat Diamond Number of Stones: 46 Color: H Clarity:](https://p1.liveauctioneers.com/3780/329167/177974964_1_x.jpg?height=310&quality=70&version=1715878703)
![Tiffany & Co.. 0.55 Carat I-VS2 Diamond Platinum Band Ring Engagement: Designer: Tiffany and Co Title: Tiffany and Co 0.55 Carat I-VS2Diamond Platinum Band Ring Style: Band Metal: Platinum Gemstone 1: 0.55 Carat Diamond Number of Stones: 11 Color: I Clarity: VS2 Shape: R](https://p1.liveauctioneers.com/3780/329167/177974913_1_x.jpg?height=310&quality=70&version=1715878703)
![Tiffany & Co Schlumberger 18Kt Diamond Flame Earrings: Flame ear clips in 18k yellow gold and platinum by Tiffany & Co Schlumberger. They are set with approx. 0.51ctw of diamonds. They measure approx. 20mm x 17mm and weigh 11 grams. Includes original](https://p1.liveauctioneers.com/6383/333287/179928354_1_x.jpg?height=310&quality=70&version=1718310582)
![Tiffany & Co.. 1.00 Carat Round Brilliant Diamond White Platinum Band Ring: DESIGNER: Tiffany and Co Title: Tiffany and Co 1.00 Carat Round Brilliant Diamond White Platinum Band Ring Style: Band Metal: White Platinum Gemstone 1: 1 Carat Diamond Number of Stones: 19 Shape: Rou](https://p1.liveauctioneers.com/3780/329167/177974616_1_x.jpg?height=310&quality=70&version=1715878703)
![TIFFANY & CO Round Diamond 0.74tcw E IF Engagement Ring Channel-set Diamond Plat: Condition: Pre-owned,Number of Diamonds: 15,Main Stone Creation: Natural,Signed: Yes,Color: White,Cut Grade: Excellent,Sizable: Yes,Main Stone Color: White/Colorless,Metal: Platinum,Total Carat Weight](https://p1.liveauctioneers.com/3721/333196/180216322_1_x.jpg?height=310&quality=70&version=1718532817)
![1.04 Carat Circular Brilliant Cut Shape I-VS2 Diamond Platinum Wedding Ring: Title: 1.04 Carat Circular Brilliant Cut Shape I-VS2 Diamond Platinum Wedding Ring Style: Wedding Metal: Platinum Gemstone 1: 1.04 Carat Diamond Number of Stones: 1 Color: I Clarity: VS2 Shape: Circul](https://p1.liveauctioneers.com/3780/329167/177974442_1_x.jpg?height=310&quality=70&version=1715878703)
![1.25 Carat Old European Cut K SI2 Diamond Platinum Engagement Ring: Title: 1.25 Carat Old European Cut K SI2 Diamond Platinum Engagement Ring Style: Engagement Metal: Platinum Gemstone 1: 1.25 Carat Diamond Number of Stones: 1 Color: K Clarity: SI2 Shape: Old European](https://p1.liveauctioneers.com/3780/329167/177974429_1_x.jpg?height=310&quality=70&version=1715878703)
![Tiffany & Co. 1.04 Carat Round Brilliant G VS1 Diamond Platinum Engagement Ring: Designer: Tiffany & Co Title: Tiffany & Co 1.04 Carat Round Brilliant G VS1 Diamond Platinum Engagement Ring Style: Engagement Metal: Platinum Gemstone 1: 1.04 Carat Diamond Number of Stones: 1 Color:](https://p1.liveauctioneers.com/3780/329167/177974172_1_x.jpg?height=310&quality=70&version=1715878703)
![2.73 Carat Old European Cut Shape S-SI1 Diamond Platinum Engagement Ring: Title: 2.73 Carat Old European Cut Shape S-SI1 Diamond Platinum Engagement Ring Style: Engagement Metal: Platinum Gemstone 1: 2.73 Carat Diamond Number of Stones: 1 Color: S Clarity: SI1 Shape: Old Eu](https://p1.liveauctioneers.com/3780/329167/177974010_1_x.jpg?height=310&quality=70&version=1715878703)
![5.40 Carat Radiant Cut G-VS2 Diamond Platinum Eternity Band Ring: Title: 5.40 Carat Radiant Cut G-VS2 Diamond Platinum Eternity Band Ring Style: Eternity Band Metal: Platinum Gemstone 1: 4.5 Carat Diamond Number of Stones: 18 Shape: Radiant Cut Size: 4.75 Weight: 5.](https://p1.liveauctioneers.com/3780/329167/177973997_1_x.jpg?height=310&quality=70&version=1715878703)
![Art Deco Platinum and Diamond Bow Brooch: a lovely antique brooch in a stylized bow with two dangling ribbons, containing numerous round single cut diamonds weighing approximately 1.25 carats total. The metal was tested and found to be platin](https://p1.liveauctioneers.com/6253/332449/179301280_1_x.jpg?height=310&quality=70&version=1717577449)
![14K GOLD, PLATINUM & DIAMOND COCKTAIL WATCH, 27.5g: A lady's 14k white gold and platinum Imperial wrist watch, set with round brilliant and baguette cut diamonds, marked 14k to clasp and platinum to case, with safety chain. L. of bracelet strap: 14cm](https://p1.liveauctioneers.com/1124/333788/180326908_1_x.jpg?height=310&quality=70&version=1718732790)
![11.52cts GIA Black opal Diamond Platinum Halo Cocktail Ring: Approx. 22mm x 15 and weighing appx. 12.26 Carats. Completing the ring are 20 pave set round brilliant and baguette-cut diamonds. At a combined weight of appx. 0.26 carats and are H-I color And range](https://p1.liveauctioneers.com/2211/332393/179263842_1_x.jpg?height=310&quality=70&version=1717524154)
![GIA Round Brilliant 2.00 ct VS2 Clarity, I Color Diamond Platinum Solitaire Ring: GIA Round Brilliant 2.00 ct VS2 Clarity, I Color Diamond Platinum Solitaire Ring Features: GIA Included Jewelry Grading/Gemological Report Included Product Details Diamond Help Line 640-208-5413 | Mos](https://p1.liveauctioneers.com/9057/333770/180318049_1_x.jpg?height=310&quality=70&version=1718722990)
![GIA Pear Shape 3.21 ct VS1 Clarity, E Color Diamond Platinum Solitaire Ring: GIA Pear Shape 3.21 ct VS1 Clarity, E Color Diamond Platinum Solitaire Ring Features: Only One Available GIA Included Jewelry Grading/Gemological Report Included Product Details Diamond Help Line 640-](https://p1.liveauctioneers.com/9057/333770/180317956_1_x.jpg?height=310&quality=70&version=1718722990)
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 […]