![GIA Certified Natural Diamond Vintage Deco Pin Brooch Platinum 12418: GIA Certified Natural Diamond Vintage Deco Pin Brooch Platinum 12418 $12,000.00 PRODUCT DESCRIPTION GIA Certified Natural Diamond Pin. 1.20ct Round J-color I-1 clarity. All other side round diamonds:](https://p1.liveauctioneers.com/5584/333294/179930587_1_x.jpg?height=310&quality=70&version=1718745967)
Platinum Jewelry
![GIA Certified Natural Diamond Vintage Deco Pin Brooch Platinum 12418: GIA Certified Natural Diamond Vintage Deco Pin Brooch Platinum 12418 $12,000.00 PRODUCT DESCRIPTION GIA Certified Natural Diamond Pin. 1.20ct Round J-color I-1 clarity. All other side round diamonds:](https://p1.liveauctioneers.com/5584/333294/179930587_1_x.jpg?height=310&quality=70&version=1718745967)
![Original Art Deco 18K Gold and Platinum Natural Emerald and Diamond Ring: Vintage from the 1920s Materials: Platinum Gemstone: Emerald Gem color: Green "The Ottilie ring is an original antique ring from the Art Deco era Circa 1920s. It centers one natural sugarloaf cut emer](https://p1.liveauctioneers.com/5584/333407/180021436_1_x.jpg?height=310&quality=70&version=1718745967)
![Art Deco Handmade Platinum Old Mine Diamond and French cut Emerald Ring: Vintage from the 1920s Materials: Platinum "The Avery ring is an authentic vintage piece handmade in the Art Deco era circa 1920. It centers 1 old mine marquise cut diamond of D color and SI1 that wei](https://p1.liveauctioneers.com/5584/333407/180021438_1_x.jpg?height=310&quality=70&version=1718745967)
![Rolex Yacht-Master 16622 Platinum Dial & Bezel: Rolex Yacht-Master 16622 watch with Stainless Steel 40mm case with Platinum bi-directional rotatable time-lapse bezel, inner reflector ring engraved with serial number and scratch resistant sapphire c](https://p1.liveauctioneers.com/8704/326812/178365955_1_x.jpg?height=310&quality=70&version=1717617078)
![Art Deco Platinum, Diamond Emerald Dress Clip: Art Deco platinum, diamond and emerald dress clip or brooch, this exquisite piece features an approximate 10mm carved fluted natural carved tear drop shaped emerald top presented on a highly stylized](https://p1.liveauctioneers.com/5855/332516/179331489_1_x.jpg?height=310&quality=70&version=1717634106)
![FINE NECKLACE WITH STUD EARRINGS: Old-cut diamonds, diamond roses, sapphires, rubies (one missing) and pearls, probably around 1880 Clasp: 17.19K Gold, Chain: 950 Platinum, Necklace Front: 960 Platinum, Back: 16.33K Gold; Stud earr](https://p1.liveauctioneers.com/5889/330325/178069896_1_x.jpg?height=310&quality=70&version=1716124879)
![Platinum Diamond and Sapphire Band Ring: An alternating diamond and sapphire band ring set in platinum. Size 7-1/2. 5.46 dwt. | Philadelphia Metro area delivery, NYC curbside delivery, and international third-party shipper information are al](https://p1.liveauctioneers.com/881/333491/180081796_1_x.jpg?height=310&quality=70&version=1718400481)
![JEWELRY. Platinum and Diamond Eternity Band Ring.: Platinum and diamond eternity band ring. Total approx. weight of the ring is 1.7 dwt (gross). Ring size - 4 1/2. From a New Rochelle, NY estate. Dimensions: ring measures approx. 2.8mm in width.](https://p1.liveauctioneers.com/483/333513/180107851_1_x.jpg?height=310&quality=70&version=1718399492)
![Handmade Platinum 5-French Cut Diamond Engagement Ring: Materials: platinum, platinum ring, platinum engagement ring "The Camila ring is a handmade piece in platinum that centers 5 French cut diamonds of H color and VS1 clarity that weigh 1.16ctw. This rin](https://p1.liveauctioneers.com/5584/333407/180021441_1_x.jpg?height=310&quality=70&version=1718745967)
![Platinum Emerald Cut Diamond and French cut Sapphire Engagement Ring: Materials: Platinum The Seraphina ring is a piece handmade in platinum which centers one emerald cut diamond of G color and VS1 clarity that weighs 0.50ctw. The center stone is surrounded by 24 old mi](https://p1.liveauctioneers.com/5584/333407/180021434_1_x.jpg?height=310&quality=70&version=1718745967)
![1.27-ct GIA Diamond Platinum Solitaire Ring Estate Jewelry: About the Item A diamond solitaire with accents and platinum ring of a classic design. The ring’s center stone comes with a GIA Diamond Grading Report and has excellent characteristics (see pict](https://p1.liveauctioneers.com/5584/333401/180019389_1_x.jpg?height=310&quality=70&version=1718743985)
![Art Deco Platinum Diamond Engagement Ring: Art Deco platinum diamond engagement ring, 5 mm (.46 ctw) round center diamond in pierced deco filigree setting, flush set 1.5 mm diamonds at either side, the shank needing repair, sz 7.25, 2.1 DWT](https://p1.liveauctioneers.com/385/334152/180558584_1_x.jpg?height=310&quality=70&version=1718997354)
![TIFFANY & CO. GOLD & PLATINUM POCKET WATCH: Swiss Made 18K Yellow Gold & Platinum Ultra Thin Touchon Open Face Watch, ca. 1920s, with silver tone dial marked "Tiffany & Co., Switzerland" and gold Arabic numerals, case #52457, 1 1/2" dial. Servi](https://p1.liveauctioneers.com/957/331423/178777831_1_x.jpg?height=310&quality=70&version=1716929917)
![GIA Radiant Cut 4.03 ct Center VVS2 Clarity, Fancy Yellow Diamond Platinum Three Stone Ring: GIA Radiant Cut 4.03 ct Center VVS2 Clarity, Fancy Yellow Diamond Platinum Three Stone Ring Features: 4.79 ctw Only One Available GIA Included Jewelry Grading/Gemological Report Included Product Detai](https://p1.liveauctioneers.com/9057/333770/180317957_1_x.jpg?height=310&quality=70&version=1718722990)
![Vintage 1960's 14k & Platinum Gold Pave Diamond Cluster Ladies Ring 1.85 ct: Vintage 1960's 14k & Platinum Gold Pave Diamond Cluster Ladies Ring 1.85 ct. This beautiful ring has 31 brilliant cut mounted diamonds in 14k & Platinum (tested) two-tone in color. Hand made in size 6](https://p1.liveauctioneers.com/1183/321967/177741501_1_x.jpg?height=310&quality=70&version=1715605026)
![Ladies Platinum & Diamond Band: Ladies platinum ring featuring eleven (11) diamonds (6 princess and 5 baguette) approximately 0.84 carats together, Clarity-VS1, Color-F. The ring is marked "plat" and XRF tests 95% platinum](https://p1.liveauctioneers.com/525/332539/179371791_1_x.jpg?height=310&quality=70&version=1717698500)
![JEWELRY. Platinum and 1.04ct Diamond Cocktail Ring: Platinum cocktail ring displaying a central prong-set 1.04ct round brilliant cut diamond with a three tier surround of (24) marquis cut diamonds. Central RBC diamond measures approx. 6.7mm. Stamped, "](https://p1.liveauctioneers.com/483/333513/180107857_1_x.jpg?height=310&quality=70&version=1719339118)
![Handmade Platinum Natural Ruby and Old Mine Diamond Ring: Materials: platinum, platinum ring, platinum engagement ring "The Everly ring is a piece handmade in platinum. It centers one natural sugarloaf cut ruby that weighs 5.43ctw. The center ruby is surroun](https://p1.liveauctioneers.com/5584/333407/180021443_1_x.jpg?height=310&quality=70&version=1718745967)
![Handmade Platinum Old Mine Diamond and French Cut Sapphire Engagement Ring: Materials: Platinum Gemstone: Diamond The Taylor ring is a piece handmade in platinum which centers one cushion old mine cut diamond of K color and VS1 clarity that weighs 0.75ctw. The center stone is](https://p1.liveauctioneers.com/5584/333407/180021433_1_x.jpg?height=310&quality=70&version=1718745967)
![Art Deco Platinum Old Mine Diamond and Natural Emerald Ring: Vintage from the 1920s Materials: Platinum Gemstone: Diamond "The Sienna ring is an authentic vintage piece from the Art Deco era circa 1920. It centers one old mine cut diamond of K/L color and VS1 c](https://p1.liveauctioneers.com/5584/333407/180021435_1_x.jpg?height=310&quality=70&version=1718745967)
![PLATINUM, OPAL AND DIAMOND CLUSTER RING, 4.8g: A platinum dress ring, set with a central black opal doublet surrounded by small diamonds, marked platinum and Birks, size 4 3/4.](https://p1.liveauctioneers.com/1124/333788/180327065_1_x.jpg?height=310&quality=70&version=1718732790)
![ANTIQUE PLATINUM & DIAMOND ENGAGEMENT RING.: A platinum engagement ring that has been hand pierced, hand carved and hand engraved (slightly worn) that is set with an approx. .60 ct. Old European cut diamond of G-H color and VS clarity, no fluore](https://p1.liveauctioneers.com/6170/333768/180429800_1_x.jpg?height=310&quality=70&version=1718828559)
![Cartier Paris Antique Platinum Diamond Enamel Gold Cufflinks: Antique Cartier Paris diamond enamel gentleman cufflinks in 18k yellow gold with a platinum top. These vintage earrings are topped with white French Enamel surrounded with delicate rose-cut These Fren](https://p1.liveauctioneers.com/1692/330287/178074162_1_x.jpg?height=310&quality=70&version=1716147342)
![ART DECO PLATINUM AND DIAMOND BROOCH, 7.5g: An antique platinum pin brooch, featuring round, baguette, and trillion cut diamonds, testing platinum, with safety chain. L. 4cm](https://p1.liveauctioneers.com/1124/333788/180327061_1_x.jpg?height=310&quality=70&version=1718829113)
![ANTIQUE PLATINUM AND GOLD DIAMOND BROOCH, 4.5g: A French platinum and 14k yellow gold circle pin brooch, featuring bezel and claw set Old European and rose cut diamonds, brooch testing platinum, pin testing 14k gold, with French hallmarks. L. 2.2cm](https://p1.liveauctioneers.com/1124/333788/180326909_1_x.jpg?height=310&quality=70&version=1718891364)
![Handmade Platinum Natural Amethyst and Old Mine Diamond Ring: Materials: Platinum Gemstone: Amethyst The Maisie ring is a piece handmade in platinum. It centers 1 natural oval cut amethyst that weighs 19.70ctw and is surrounded by 60 old mine cut diamonds of H c](https://p1.liveauctioneers.com/5584/333407/180021437_1_x.jpg?height=310&quality=70&version=1718745967)
![Authentic! Tiffany & Co Platinum Metro Diamond Large Inside Out Hoop Earrings: Authentic! Tiffany & Co Platinum Metro Diamond Large Inside Out Hoop Earrings Authentic! Tiffany & Co Platinum Metro Diamond Large Inside Out Hoop Earrings Product Description About This Piece: The Ti](https://p1.liveauctioneers.com/5584/333405/180019879_1_x.jpg?height=310&quality=70&version=1718745967)
![Handmade Platinum EGL Certified Diamond and Sapphire Ring: Materials: Platinum Gemstone: Diamond "The Megham is a piece handmade in platinum that centers one central EGL certified old mine cut diamond of K color and SI3 clarity that weighs 3.01ctw. The center](https://p1.liveauctioneers.com/5584/333407/180021444_1_x.jpg?height=310&quality=70&version=1718745967)
![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)
![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)
![Antique Art Deco Platinum Diamond and Pearl Brooch / Pendant: Immerse yourself in the glamour and sophistication of a bygone era with our exquisite Art Deco Platinum Pearl & Diamond Brooch / Pendant . Crafted during the illustrious Art Deco era, this brooch is a](https://p1.liveauctioneers.com/8264/330485/178188674_1_x.jpg?height=310&quality=70&version=1718090683)
![Art Nouveau Emerald Cabochon and Diamond Platinum Ring: Exquisite Art Nouveau Emerald and and European Cut Diamond Cabochon Platinum Ring. A beautiful platinum ring that was made circa 1920-1930. It has been set with a large cabochon emerald of Columbian o](https://p1.liveauctioneers.com/8264/330485/178188653_1_x.jpg?height=310&quality=70&version=1718090683)
![GIA Certified 1.23ct Natural Ruby Ring 18kt / Platinum Engagement+: Red Prime Ruby Ring 1.23ct. Natural GIA Certified Ruby Ring GIA Certified Report ID: 2171627319 7.04 X 5.27 X 3.93mm Full cut oval brilliant, Transparent The Vivid Red & Origin Tested. (See Certificat](https://p1.liveauctioneers.com/5584/333294/179929875_1_x.jpg?height=310&quality=70&version=1718745967)
![Suzanne Belperron Dents de Loup Clip Brooches Diamond Gold Platinum: About the Item A pair of magnificent double clips designed by Suzanne Belperron and manufactured by company B. Herz in Paris between 1932 and 1940. The piece comes with an authentication certificate f](https://p1.liveauctioneers.com/5584/333401/180019413_1_x.jpg?height=310&quality=70&version=1718743985)
![Estate 18k gold and Platinum Coral and Diamond Ring: Materials: Gold, Platinum Gemstone: Coral Band color: Gold Style: Art deco "This exquisite ring features an eye-catching natural coral that measures 13mm by 8mm. The center stone is surrounded by 24 o](https://p1.liveauctioneers.com/5584/333407/180021477_1_x.jpg?height=310&quality=70&version=1718745967)
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 […]