Platinum

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Platinum Certified 36.55 Ct Emerald Diamond Ring 60 Stones

$21,140

Diamond DepotNew York, NY

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Vintage Art Deco Platinum Brooch 7.00cts Diamond Filigree Design

$10,030

(15 bids)

Mynt AuctionsNew York, NY

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Platinum Earrings with Citrine and Diamond Accents Circa 1950s

$17,180

Diamond DepotNew York, NY

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Vintage 18k Gold Platinum Diamond Flame Petal Earrings 3.15ctw

$5,540

Diamond DepotNew York, NY

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Retro Platinum 8.5 Carat Baguette Round Cut Diamond Earrings

$11,360

(24 bids)

Mynt AuctionsNew York, NY

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20.07 Ct Platinum Star Sapphire and 10 Diamond Ring

$3,950

Diamond DepotNew York, NY

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GIA Certified 3.33 Ct Colombian Emerald Platinum Diamond Ring

$15,850

Diamond DepotNew York, NY

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Platinum 1.80ct Emerald and Carre Cut Diamond Cocktail Ring

$2,750

Diamond DepotNew York, NY

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Art Deco Platinum Brooch 2.00 Ct European-Cut Diamonds

$2,630

Diamond DepotNew York, NY

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GIA Certified Platinum 1.24 Ct Emerald Cut Diamond Ring

$6,660

Diamond DepotNew York, NY

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Tiffany & Co. Platinum 0.74ct Round Diamond Engagement Ring Set

$15,590

BidhausNew York, NY

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Art Deco Platinum Ring 34.50 Ct Aquamarine & 30 Diamonds

$19,830

Diamond DepotNew York, NY

Jul 05, 2026

Diamond Eternity Ring in Platinum with 6.20 Carats Size 5

Est.

$14,961

$16,757

$4,400

Diamond DepotNew York, NY

Jul 05, 2026

Opal and Diamond Platinum Ring with 2.49 Ct Center Stone

Est.

$6,077

$6,806

$2,000

Diamond DepotNew York, NY

Jul 05, 2026

David Webb Platinum 21CT Diamond South Sea Pearl Bombe Ring

Est.

$81,018

$90,740

$25,500

Diamond DepotNew York, NY

Jul 07, 2026

Art Deco Platinum Bracelet with Opals and 249 Diamonds

Est.

$29,061

$32,548

$10,500

Diamond DepotNew York, NY

Jul 07, 2026

Antique Platinum .20ctw Single Cut Diamond Milgrain Band Ring

Est.

$2,121

$2,376

$720

Diamond DepotNew York, NY

Jul 07, 2026

65 Diamond Platinum Necklace with 52.50 Carats Total Weight

Est.

$159,539

$178,684

$55,000

Diamond DepotNew York, NY

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Tiffany & Co. PT950 Platinum Band Ring Size 6.5

$1,740

Diamond DepotNew York, NY

Jul 05, 2026

VINTAGE PLATINUM ENGAGEMENT RING 0.62CT.NATURAL EURO OLD CUT DIAMOND 1930'S

Est.

$1,870

$2,090

$1,525

Modern JewelryValley Village, CA

Jul 05, 2026

VINTAGE PLATINUM ENGAGEMENT RING 0.52CT.NATURAL EURO CUT DIAMOND CIRC 1930'S

Est.

$2,975

$3,325

$2,450

Modern JewelryValley Village, CA

Jul 05, 2026

PLATINUM VINTAGE ENGAGEMENT RING 2.79CT. NATURAL ROUND DIAMOND CIRCA 1930'S

Est.

$20,315

$22,705

$16,500

Modern JewelryValley Village, CA

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GIA Certified 1.15ct Pear Shape diamond ring 1.00ct. round accents platinum *v

$9,114

Jasper52New York, NY

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Kieselstein Cord Platinum 2.5ct Diamond Golden Citrine Cockatil Ring 1999 sz 6.5

$10,000

Jasper52New York, NY

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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

18K White Gold 3.61ct Diamond, Emerald, and Tanzanite Cocktail Ring

18K Yellow Gold 6.0ct Diamond and Ruby Earrings

Curated Fine Gold Jewelry Vintage & Antique

Eastern European Art Gallery Inc

Starts on:

Broomall, PA, US

3 days Left

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Platinum

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Platinum Auctions

DESIGNER GOLD DIAMOND AND PLATINUM JEWELRY 13

DESIGNER PREMIUM GOLD AND PLATINUM JEWELRY 12

Curated Fine Gold Jewelry Vintage & Antique