![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)
Platinum Jewelry
![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)
![2.17 Carat Old European Cut K SI2 & I VS2 Diamond Platinum Engagement Ring: Title: 2.17 Carat Old European Cut K SI2 and I VS2 Diamond Platinum Engagement Ring Style: Engagement Metal: Platinum Gemstone 1: 1.9 Carat Diamond Number of Stones: 1 Color: K Clarity: SI2 Shape: Old](https://p1.liveauctioneers.com/3780/329167/177974001_1_x.jpg?height=310&quality=70&version=1715878703)
![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)
![6.04 Carat Oval Shape Sapphire 1.00 Carat G-VS Diamond Platinum Cocktail Ring: Title: 6.04 Carat Oval Shape Sapphire 1.00 Carat G-VS Diamond Platinum Cocktail Ring Style: Cocktail Metal: Platinum Gemstone 1: 1 Carat Diamond Number of Stones: 50 Shape: Round Brilliant Gemstone 2:](https://p1.liveauctioneers.com/3780/329167/177973887_1_x.jpg?height=310&quality=70&version=1715878703)
![Patek Philippe for Tiffany &: Patek Philippe for Tiffany & Company Platinum Gents Pocket Watch Brand: Patek Philippe Case Material: Platinum Movement: Manual Wind Style: Art Deco Place of Origin: Switzerland Period: 1930-1939](https://p1.liveauctioneers.com/6732/331696/179657107_1_x.jpg?height=310&quality=70&version=1717910686)
![TTFFANY JEAN SCHLUMBERGER DIAMOND: Ttffany Jean Schlumberger Diamond Brand: Tiffany Type: Band ring Material: Platinum 950, Yellow gold (18K) Color: Gold, Green, Silver Size: 5.5-5.75 Accessories: None Accessories Notice:](https://p1.liveauctioneers.com/6177/331079/178471235_1_x.jpg?height=310&quality=70&version=1716567293)
![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)
![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)
![TTFFANY & CO. FOREVER HALF DIAMOND: Ttffany & Co. Forever Half Diamond Brand: Tiffany Type: Band ring Material: Platinum 950 Color: None Size: 2.75-3 Accessories: None Accessories Notice: When purchasing pre-owned goods, pl](https://p1.liveauctioneers.com/6177/330603/178282334_1_x.jpg?height=310&quality=70&version=1716409197)
![TTFFANY & CO. HALF CIRCLE SIZE 8 RING: Ttffany & Co. Half Circle Size 8 Ring Brand: Tiffany Type: Band ring Material: Platinum 950 Color: None Size: 4.5 Accessories: None Accessories Notice: When purchasing pre-owned goods, pl](https://p1.liveauctioneers.com/6177/331079/178472257_1_x.jpg?height=310&quality=70&version=1716567293)
![TTFFANY DIAMOND RING PLATINUM PT950: Ttffany Diamond Ring Platinum PT950 Brand: Tiffany Type: Band ring Material: Platinum 950 Color: None Size: 4 Accessories: None Accessories Notice: When purchasing pre-owned goods, please](https://p1.liveauctioneers.com/6177/331079/178471572_1_x.jpg?height=310&quality=70&version=1716567293)
![TTFFANY & CO. TIFFANY PT950 PLATINUM VICTORIA: Ttffany & Co. Tiffany Pt950 Platinum Victoria Brand: Cartier Type: Band ring Material: Platinum 950 Color: Platinum Size: 3.75 - 4 Accessories: None Accessories Notice: When purchasing pr](https://p1.liveauctioneers.com/6177/331471/178774566_1_x.jpg?height=310&quality=70&version=1716923107)
![Tiffany & Co. 0.40 Carat Round Brilliant G VS1 Diamond Platinum Band Ring: Designer: Tiffany & Co Title: Tiffany & Co 0.40 Carat Round Brilliant G VS1 Diamond Platinum Band Ring Style: Band Metal: Platinum Gemstone 1: 0.4 Carat Diamond Number of Stones: 20 Color: G Clarity:](https://p1.liveauctioneers.com/3780/329167/177974919_1_x.jpg?height=310&quality=70&version=1715878703)
![Estate Custom Made 14.22 Cttw Diamond Platinum Pendant/Brooch: Estate Custom Made 14.22 Cttw Diamond Platinum Pendant/Brooch Dimensions: Estate Brooch/Pendant, 17 Pear Shape Diamo](https://p1.liveauctioneers.com/6970/332422/179276944_1_x.jpg?height=310&quality=70&version=1717584831)
![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)
![MDJ Curators Collection Rare Estate Cartier Spinel Diamond Platinum Necklace: MDJ Curators Collection Rare Estate Cartier Spinel Diamond Platinum Necklace Estate Cartier Flower Motif Multi Strand Spinel](https://p1.liveauctioneers.com/6970/332422/179277194_1_x.jpg?height=310&quality=70&version=1717584831)
![H.Stern 21.00 Carat Diamond 4.00 Carat Pear Shape Emerald Platinum Pin Brooch: Designer: H.STERN Title: H.Stern 21.00 Carat Diamond 4.00 Carat Pear Shape Emerald Platinum Pin Brooch Style: Pin Metal: Platinum Gemstone 1: 21 Carat Diamond Number of Stones: 87 Gemstone 2: 4 Carat](https://p1.liveauctioneers.com/3780/329167/177973872_1_x.jpg?height=310&quality=70&version=1715878703)
![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/6100/333037/179788956_1_x.jpg?height=310&quality=70&version=1718125734)
![CHANEL PT950 PLATINUM MATELASSE: CHANEL Pt950 Platinum Matelasse Brand: Chanel Type: Band ring Material: Platinum 950 Color: Silver Size: 48 Accessories: None Accessories Notice: When purchasing pre-owned goods, please r](https://p1.liveauctioneers.com/6177/331079/178472025_1_x.jpg?height=310&quality=70&version=1716567293)
![BULGARI BVLGARI ROME AMOR DIAMOND: Bulgari BVLGARI Rome Amor Diamond Brand: Bvlgari Type: Band ring Material: Platinum 950 Color: Platinum Size: 4.75-5 Accessories: None Accessories Notice: When purchasing pre-owned goods,](https://p1.liveauctioneers.com/6177/331079/178471298_1_x.jpg?height=310&quality=70&version=1716567293)
![PLATINUM CIRCAL FLORAL DIAMOND BROOCH: Platinum diamond circle brooch Weight 9.16g. / Weight: 9.16g / Measurements: 1.25"H x 1.25"S / Provenance: From the descendants of Lollie Oliver, Pittsubugh PAPAYMENT DISCLAIMER ****SEE TERMS AND COND](https://p1.liveauctioneers.com/49/333222/179889687_1_x.jpg?height=310&quality=70&version=1718309265)
![2pc. platinum & diamond wedding set: Nice 2 piece platinum and diamond wedding set. Approximate size 4.5](https://p1.liveauctioneers.com/7595/332878/179681931_1_x.jpg?height=310&quality=70&version=1717995732)
![Powerful Platinum Princess Cut Diamond Wedding Set: Powerful Platinum approximate 0.33ctw Princess Cut Diamond Engagement Ring with approximate 0.80ctw Diamond Band. Total weight for Set 9.50 Grams. Ring Size 4"](https://p1.liveauctioneers.com/6266/330329/178072464_1_x.jpg?height=310&quality=70&version=1716251320)
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 […]