Platinum

(10,000 upcoming items)

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David Webb Platinum 18K Gold Diamond Ruby Emerald Earrings

$25,900

Diamond DepotNew York, NY

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Platinum Baguette Diamond Engagement Ring 1.65 Cts 6 Grams

$10,440

Diamond DepotNew York, NY

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Antique 18K Gold Platinum Diamond Pearl Brooch 2.5 Inches

$17,970

Diamond DepotNew York, NY

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Art Deco Platinum Brooch 2.00 Ct European-Cut Diamonds

$2,630

(15 bids)

Mynt AuctionsNew York, NY

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Platinum Brooch with 23 Sapphire and Diamond Leaf Design

$7,380

Diamond DepotNew York, NY

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Platinum 13.50ct Round Cut Diamonds By The Yard Necklace

$24,920

Diamond DepotNew York, NY

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David Webb 18K Gold Platinum Jade Diamond Enamel Necklace

$294,760

Diamond DepotNew York, NY

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GIA Certified 2.02ct Colombian Emerald Diamond Ring in Platinum

$7,520

Diamond DepotNew York, NY

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Vintage 1930s Art Deco French Signed Platinum Diamond Bracelet

$100,650

Diamond DepotNew York, NY

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Platinum GIA Certified 1.53ct Colombian Emerald Diamond Ballerina Ring

$2,890

Diamond DepotNew York, NY

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Art Deco Platinum Diamond Sapphire Lingerie Clips 1.25 Inches

$3,280

Diamond DepotNew York, NY

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1940s Platinum Double Clip Brooch with 15 Carats Diamonds

$20,950

Diamond DepotNew York, NY

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Retro Platinum 8.5 Carat Baguette Round Cut Diamond Earrings

$11,360

Diamond DepotNew York, NY

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Platinum GIA Certified 1.30ctw Black Opal Diamond Cocktail Ring

$2,190

Diamond DepotNew York, NY

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Vintage Art Deco Platinum Ladies Diamond Watch 11 Carats

$14,000

Diamond DepotNew York, NY

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Platinum Three Stone Diamond Ring 1.50 ctw Size 6.75

$2,840

(19 bids)

Mynt AuctionsNew York, NY

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1930s Platinum Chain Necklace with Diamonds Art Deco Design

$8,370

Diamond DepotNew York, NY

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Tiffany Paper Flowers platinum diamond floral ring size 7

$5,970

(20 bids)

BidhausNew York, NY

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Vintage 1940s Platinum Diamond Emerald Flower Cocktail Ring 1.98ctw

$4,740

Diamond DepotNew York, NY

Jul 16, 2026

VINTAGE 1.56 CARAT H-VS1 DIAMOND PLATINUM WEDDING RING

Est.

$7,429

$8,303

$6,100

Modern JewelryValley Village, CA

Jul 05, 2026

Cartier Platinum .30ct F VVS2 Diamond Solitaire Engagement Ring with Box

Est.

$5,038

$5,643

$1,400

Diamond DepotNew York, NY

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Harry Winston Trist One Row Diamond Ring, Platinum PT950, Women's.

$2,100

IntervendueMIAMI, FL

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Tiffany & Co. ring, milgrain design, Pt950 platinum, size 8.5, women's.

$500

IntervendueMIAMI, FL

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Tiffany & Co. Full Circle Channel Setting Diamond Ring, Platinum (Pt)

$1,300

IntervendueMIAMI, FL

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Platinum Auctions

LAB-GROWN 3.02 CARAT OVAL E-F-VVS2 DIAMOND 14K YELLOW GOLD HANGING EARRINGS

VINTAGE 18K GOLD DROP EARRINGS WITH 1 CARAT ROUND DIAMONDS & SOUTH SEA PEARLS

LAB-GROWN 7.68 CARAT OVAL E-F-VS1 DIAMOND 14K YELLOW GOLD HANGING EARRINGS

DESIGNER GOLD DIAMOND AND PLATINUM JEWELRY 13

Modern Jewelry

Starts on:

Valley Village, CA, US

3.00 CARAT OLD EUROPEAN CUT J SI1 DIAMOND 14 KARAT TWO TONE GOLD ENGAGEMENT RING

3.12 CARAT F VS DIAMOND VINTAGE BANGLE BRACELET 18K TWO-TONE GOLD

21.00 CARAT ROUND BRILLIANT G VS1 DIAMOND 18 KARAT YELLOW GOLD LINK BRACELET

DESIGNER PREMIUM GOLD AND PLATINUM JEWELRY 12

Modern Jewelry

Starts on:

Valley Village, CA, US

Flower Brooch 18K Yellow Gold 6.50ct Diamond

Roberto Coin 18K Rose Gold Bracelet 0.17ct Diamond

Antique Victorian 18K Yellow Gold and 1.01ct Diamond Bracelet

Luxury Vintage & Antique Jewelry Sale

Eastern European Art Gallery Inc

Starts on:

Broomall, PA, US

LiveAuctioneers

Platinum

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$11,360

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Platinum Auctions

DESIGNER GOLD DIAMOND AND PLATINUM JEWELRY 13

DESIGNER PREMIUM GOLD AND PLATINUM JEWELRY 12

Luxury Vintage & Antique Jewelry Sale