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Mar 31, 2023Jasper52

Rare! Authentic Patek Philippe Platinum Diamond Emerald Ring Certificate

$11,000

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Rose Cut Diamond Platinum Chandelier Earrings: Title: Rose Cut Diamond Platinum Chandelier Earrings Description: Amazing rose cut diamond chandelier earrings - sparkling, yet understated as rose cut diamonds have a special subtle bling. Beautiful

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5 days LeftJasper52

Rose Cut Diamond Platinum Chandelier Earrings

$32,000

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ANTIQUE 20ct COLOMBIAN EMERALD & DIAMOND RING: Having a central (approximately) 20ct natural emerald (17.76 x 15.36 x 9.37mm) flanked by four baguette diamonds in a platinum setting; accompanied by an AGL report identifying the stone as being of C

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3 days LeftButterscotch Auction

ANTIQUE 20ct COLOMBIAN EMERALD & DIAMOND RING

$3,400

Tiffany & Co. Channel Diamond Ring in Platinum 0.17 CTW: Tiffany & Co. Channel Diamond Ring in Platinum 0.17 CTW Shape: Round With Original Box/Packaging: Yes Side Stone Type: Diamond Side Stone Weight (Cts): 0.17 Metal Purity: 950 With Papers: No Gross Wei

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3 days LeftBidhaus

Tiffany & Co. Channel Diamond Ring in Platinum 0.17 CTW

$102

(6 bids)

David Yurman Capri Diamond Engagement Ring in Platinum H VS2 1.4 CTW: David Yurman Capri Diamond Engagement Ring in Platinum H VS2 1.4 CTW Shape: Round Brilliant With Papers: Yes Main Stone Weight (Cts): 1.30 Side Stone Type: Diamond Side Stone Weight (Cts): 0.10 Main S

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1 day LeftBidhaus

David Yurman Capri Diamond Engagement Ring in Platinum H VS2 1.4 CTW

$480

(4 bids)

Platinum Ladies Ring: Platinum Ladies Ring, set with green emerald cut stone, flanked by baguette diamonds, size 7.

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2 days LeftNadeau's Auction Gallery

Platinum Ladies Ring

$350

(3 bids)

Platinum Three Stone Diamond Anniversary Ring: one round brilliant cut center diamond, 7.79 - 7.92 x 4.77mm, 1.77ct., G VS1, GIA report 1226825182, one side round brilliant cut side diamonds, approx.. 0.62ct., H VVS2; one side round brilliant cut

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12 hrs LeftBrunk Auctions

Platinum Three Stone Diamond Anniversary Ring

$9,500

(2 bids)

Platinum Blue Sapphire Diamond Art Deco Style Ring Approx Size 4.5: Beautiful Bright Polish Finish Platinum Ring, Approx size 4.5. The Ring features an Oval cushion shape faceted mixed cut natural blue genuine Sapphire centered in four fishtail prongs. The Sapphire ha

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Apr 23, 2023King's Auctions Inc

Platinum Blue Sapphire Diamond Art Deco Style Ring Approx Size 4.5

$2,000

(1 bid)

Tiffany & Co. Platinum 1.42 Ct. Diamond Stud Earrings: Tiffany & Co. Platinum 1.42 Ct. Diamond Stud EarringsWeighing 3.4 gramsSet with:0.71 Ct. Round Diamond. G Color, VS1 Clarity0.71 Ct. Round Diamond, G Color, VS2 ClarityTiffany #29701423Includes origin

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4 days LeftPlatinum Auction Group

Tiffany & Co. Platinum 1.42 Ct. Diamond Stud Earrings

$700

(4 bids)

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TIFFANY & CO PLATINUM SQUARE CUT DIAMOND 0.22CT VS2 D TRIPLE X ENGAGEMENT RING: TIFFANY & CO PLATINUM SQUARE CUT DIAMOND 0.22CT VS2 D TRIPLE X ENGAGEMENT RING TIFFANY & CO PLATINUM SQUARE CUT DIAMOND 0.22CT VS2 D TRIPLE X ENGAGEMENT RING Product Description About This Piece: Crow

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Mar 31, 2023Jasper52

TIFFANY & CO PLATINUM SQUARE CUT DIAMOND 0.22CT VS2 D TRIPLE X ENGAGEMENT RING

$900

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Art Deco Diamond Platinum Bracelet Choker Necklace Stamped CT French: Title: Art Deco Diamond Platinum Bracelet Choker Necklace Stamped CT French Description: Stunning Art Deco bracelet that can be turn into a choker necklace. Elegant, timeless and versatile, the piece

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5 days LeftJasper52

Art Deco Diamond Platinum Bracelet Choker Necklace Stamped CT French

$28,000

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GIA Diamond Blue Sapphire Vintage Art Deco Style Halo Ring Platinum, 2.23 CTW: GIA Diamond Blue Sapphire Vintage Art Deco Style Halo Ring Platinum, 2.23 CTW This is a stunning ring! Please let us know if you have any questions. Diamonds: 1.20 ctw; 1 round brilliant cut 1.00 ct,

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6 days LeftJasper52

GIA Diamond Blue Sapphire Vintage Art Deco Style Halo Ring Platinum, 2.23 CTW

$8,500

950 PLATINUM & 4.26CTW DIAMOND RING, SIZE 4: 950 Platinum ring set with a 3ct oval cut diamond center stone and two 0.6ctw baguette diamonds and six 0.66ctw round cut diamonds. Ring size 4. Stamped PT 950. Approx. weight 6.6 grams. Diamond testi

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3 days LeftGallery 63

950 PLATINUM & 4.26CTW DIAMOND RING, SIZE 4

$3,250

(3 bids)

Old European Cut Diamond Ring: 14K White Gold Diamond Ring. Three round old European cut diamonds. Center diamond is .41 ct and side diamonds . 56 ct. each. Total weight: 2.78 grams

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4 days LeftFlannery's Estate Services

Old European Cut Diamond Ring

$500

Platinum ring set with 6mm round diameter & side diamonds - size 4 3/4; 2.9 grams: Platinum ring set with 6mm round diameter & side diamonds - size 4 3/4; 2.9 grams

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4 days LeftLuther Auctions

Platinum ring set with 6mm round diameter & side diamonds - size 4 3/4; 2.9 grams

$200

Diamond and Platinum Ring: Approx. 3.76 Carat TW Diamond and Platinum Engagement Ring. Set in the center with an approx. 2.76 carat round brilliant cut diamond, H color, I1 clarity. Accented with approx. 1.0 carat TW numerous r

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6 days LeftKodner Galleries Inc.

Diamond and Platinum Ring

$7,500

35.41ct. Natural Yellow Sapphire and Diamond Brooch: with Tiffany and Co. insurance and replacement value evaluation which reads, "One Tiffany and Co. platinum brooch...", from September 7, 1989; one cushion mixed cut natural Ceylon yellow sapphire, 17.

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12 hrs LeftBrunk Auctions

35.41ct. Natural Yellow Sapphire and Diamond Brooch

$10,000

GIA Certified Diamond & Platinum Ring: GIA Certified round diamond in platinum setting, 1.31 carats, J color, VS1. Report #1226100405. Diamond removed from platinum setting for GIA. Setting size 8, with 4 diamond baguettes. Setting weight

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Apr 01, 2023Roland NY

GIA Certified Diamond & Platinum Ring

$2,750

(3 bids)

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SAPPHIRE RING PLATINUM DIAMOND S21.21ct D1.15ct: color: blue, weight: 20.1 grams, gemstone: natural unheated star sapphire 21.21ct 15.4mm x 12.8mm, diamond: VS1 1.16ctw, dimensions: 23.1mm x 22mm, size: 6, metal: platinum pt900 (90% platinum & 10% p

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3 days LeftTheOpalOutlet

SAPPHIRE RING PLATINUM DIAMOND S21.21ct D1.15ct

$1,500

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GIA Certified 1.01ct. Cushion cut diamond ring Platinum F/VS: GIA 1.01ct cushion cut diamond ring. F-color Vs-2 clarity Report Id: 5181100301 Please see attached photo for report. .30ct. Emerald Cuts, full cut diamonds. F Color Vs-2 clarity. Platinum 4.8 grams.

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6 days LeftJasper52

GIA Certified 1.01ct. Cushion cut diamond ring Platinum F/VS

$6,000

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AGL Certified Natural Pink Sapphire Shield cut diamond ring platinum arthritis+: Pink Sapphire Premier AGL Certified 2.51ct. Natural Low-heat Sapphire ring. Report: CS 64563 Cushion cut: 8.04 X 6.89 X 4.88mm Transparent, pink & Clean Clarity. 1.00ct. Side Shield cut diamonds.: F/G

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6 days LeftJasper52

AGL Certified Natural Pink Sapphire Shield cut diamond ring platinum arthritis+

$5,500

Cartier Platinum and Diamond Wedding Ring: Platinum wedding band by Cartier with single accent diamond. Well marked, sold with original box, bag, and paperwork. Size 11.5. Approx. 9 grams inclusive.

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3 days LeftAmero Auctions

Cartier Platinum and Diamond Wedding Ring

$250

(2 bids)

PLATINUM CARTIER ULTRATHIN POCKET WATCH: Dial signed Cartier, movement signed European Watch and Clock Co,with rounded triangular pendant loop.The circular case with silver and cream colored dial, Roman and Arabic numeral chapters and blue s

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3 days LeftButterscotch Auction

PLATINUM CARTIER ULTRATHIN POCKET WATCH

$1,800

(1 bid)

GIA Certified Diamond & Platinum Ring: GIA Certified round diamond in platinum setting, 1.48 carats, E color, VS1. Report #6227100383. Diamond removed from platinum setting for GIA. Setting size 6 1/4, with 2 diamond baguettes. Setting wei

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Apr 01, 2023Roland NY

GIA Certified Diamond & Platinum Ring

$4,000

(1 bid)

An Art Deco 1.30ct Diamond Ring in Platinum: c.1920s, platinum ring featuring an Old European cut diamond weighing approx. 1.30 carats with an average color grade of J - K and an average clarity grade of SI set in the center with additional diam

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7 days LeftAlex Cooper

An Art Deco 1.30ct Diamond Ring in Platinum

$1,300

PLATINUM AUDEMAR PIGUET ULTRATHIN POCKET WATCH: Audemar Piguet platinum diamond pocket watch, circa 1915-1925.Marked on the movement:"Audemar Piguet & Co Swiss", and "19 Jewels. The circular case with silver colored dial, Roman numeral chapters. Ap

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3 days LeftButterscotch Auction

PLATINUM AUDEMAR PIGUET ULTRATHIN POCKET WATCH

$1,800

(1 bid)

Platinum Sapphire & Diamond Tennis Bracelet: European cut diamonds amounting to 9.75 ctw with natural sapphires at the center running elegantly from end to end and amounting to 5 ctw. 30 grams standard L6 3/4" Sold from the collection of a South

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2 days LeftWooten & Wooten Auctioneers

Platinum Sapphire & Diamond Tennis Bracelet

$2,500

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OPAL RING DIAMOND PLATINUM BOULDER B5.43CT D.13CTW: weight: 7.2 grams, gemstone: natural Australian boulder opal 5.43ct, diamond: natural VS1 .13ctw, size: 4, metal: pt900 platinum

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3 days LeftTheOpalOutlet

OPAL RING DIAMOND PLATINUM BOULDER B5.43CT D.13CTW

$600

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GIA 14.80 ct. Dangle Diamond Earrings Platinum: Vivid Diamonds GIA Certified 14.80 Carat Dangle Diamond Earrings. Sensational Vivid Diamonds Dangle earrings crafted in platinum showcasing 2 GIA certified round brilliant cut diamonds weighing 6.05 c

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2 days LeftReserve Stock Jewelers & Auctions

GIA 14.80 ct. Dangle Diamond Earrings Platinum

$290,000

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Baguette Channel-Set Diamond Platinum Engagement Ring Setting Mounting, 1.08 CTW: Baguette Channel-Set Diamond Platinum Engagement Ring Setting Mounting, 1.08 CTW This stunning diamond engagement ring mounting will be something she will love forever. Ready to house a diamond or gem

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6 days LeftJasper52

Baguette Channel-Set Diamond Platinum Engagement Ring Setting Mounting, 1.08 CTW

$1,800

2 CT Diamond and Platinum Ring: 2 CT Diamond and Platinum Ring 2.00 carat diamond ring, with SI2 clarity and color grade of J. GIA Report number 6172172880. Note: For new customers purchasing silver, gold, or jewelry, we require pay

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Mar 31, 2023Cottone Auctions

2 CT Diamond and Platinum Ring

$4,000

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Apr 01, 2023AAA Auction Gallery, Inc

Antique Platinum 3 ct Diamond Engagement Ring

$16,000

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RUBY RING DIAMOND PLATINUM GOLD R2.53CT D.90CT: weight: 4.16 grams, color: red, gemstone: NATURAL HEATED RUBY 2.53ct 15.4mm x 5.5mm, size: 8, dimensions: 17.7mm x 18.5mm, metal: platinum & 14k yellow gold* some diamonds are a little loose.

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3 days LeftTheOpalOutlet

RUBY RING DIAMOND PLATINUM GOLD R2.53CT D.90CT

$1,000

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PLATINUM MINK FUR COAT EU: L; US: 16: Title: PLATINUM MINK FUR COAT EU: L; US: 16 Description: Aproximate size- EU: L; US: 16 : Important details: Length: 115cm/45.28in -Shoulders width:50cm/19.69in -Sleeve Length:60cm/23.62in -Bust size

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5 days LeftJasper52

PLATINUM MINK FUR COAT EU: L; US: 16

$180

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Antique platinum diamond eternity band —wedding band size 8.5: Vintage from the 1930s Size: 8 1/2 US Materials: Platinum Gemstone: Diamond Style: Art deco Description Antique solid platinum diamond eternity wedding band with beautiful scroll work on sides Size 8

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6 days LeftJasper52

Antique platinum diamond eternity band —wedding band size 8.5

$800

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News about Platinum

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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 […]

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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 […]

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Luxe Santa Barbara jewelry collection stars at John Moran, Mar. 29

LOS ANGELES — John Moran Auctioneers will present the jewelry collection of one of Santa Barbara’s most prolific and best-known philanthropists, Lady Leslie Ridley-Tree, on Wednesday, March 29 at 10 am Pacific time. Absentee and Internet live bidding will be available through LiveAuctioneers. Jewelry from the Estate of Lady Leslie Ridley-Tree will offer 85 lots including necklaces, earrings, […]

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Exclusive estate and designer jewelry offered in March 21 auction

NEW YORK – A pair of 18K gold, ruby and diamond earrings by Bulgari; a 14K gold, diamond, ruby and emerald butterfly brooch; and a Verdura 18K gold, jade and diamond ring will compete for top-lot status at Jasper52’s next Exclusive Estate and Designer Jewelry auction, which will be conducted on Tuesday, March 21 at 8 […]

Platinum

Platinum lots are available at auction on LiveAuctioneers. Shop unique Platinum works from the world’s most trusted auction houses. In this broad selection of Platinum items there are so many alternatives to choose from, including Brooches & Pins, Earrings, Bracelets, Necklaces & Pendants, and more. Many Platinum buyers also enjoy exploring pieces in other trending materials/ techniques such as gold, silver, porcelain, and bronze.