Platinum

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Jul 07, 2026

Platinum 0.92ct Square Ruby Ring with Baguette Diamonds

Est.

$3,425

$3,836

$1,175

Diamond DepotNew York, NY

Jul 15, 2026

1.22 CARAT OLD EUROPEAN CUT J-I VS1-SI1 DIAMOND PLATINUM ENGAGEMENT RING

Est.

$13,000

$14,529

$10,500

Modern JewelryValley Village, CA

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1.27-CT EMERALD CUT E VS2 GIA DIAMOND PLATINUM SOLITAIRE RING ESTATE JEWELRY

$23,460

Modern JewelryValley Village, CA

Jul 13, 2026

Natural White Diamond With Platinum 900 Ring Jewelry 5.50 Grams Size 7.75

Est.

$4,074

$6,402

$1

Treasure of Gems & JewelryLake Charles, LA

Jul 16, 2026

PLATINUM SEMI MOUNT RING WITH 2.1 CARAT DIAMOND FITS 7.25X7.15MM CENTER STONE

Est.

$7,990

$8,930

$6,500

Modern JewelryValley Village, CA

Jul 16, 2026

VINTAGE PLATINUM STUD FLOWER EARRINGS WITH 1.5 CARAT MARQUIS H-VS DIAMONDS

Est.

$9,554

$10,678

$7,800

Modern JewelryValley Village, CA

Jul 15, 2026

TIFFANY & CO TIFFANY & CO 0.96 CARAT ROUND BRILLIANT G VVS1 DIAMOND PLATINUM ...

Est.

$18,921

$21,147

$15,500

Modern JewelryValley Village, CA

Jul 15, 2026

TIFFANY & CO 1.13 CARAT ROUND BRILLIANT G SI1 DIAMOND PLATINUM ENGAGEMENT RING

Est.

$13,000

$14,529

$10,500

Modern JewelryValley Village, CA

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Exquisite Platinum Opal 3.50 Ct Diamond Ring with 24 G-H Diamonds

$2,030

Diamond DepotNew York, NY

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Vintage GIA 11.26ctw No Heat Blue Star Sapphire Diamond Ballerina Ring Platinum

$3,350

Diamond DepotNew York, NY

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Platinum Marquise Fancy Yellow Diamond Ring With Six Accent Diamonds Circa 1950s

$39,130

Diamond DepotNew York, NY

Jul 16, 2026

TIFFANY & CO 0.39 CARAT ROUND BRILLIANT G VS1 DIAMOND PLATINUM BAND RING

Est.

$4,148

$4,636

$3,400

Modern JewelryValley Village, CA

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Diamond Ruby Earrings in Platinum and 18K White Gold 0.75 Inch Length

$11,220

Diamond DepotNew York, NY

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Vintage Hand Carved Amethyst Pendant Necklace Platinum 18K Yellow Gold 19.30 CTW

$7,436

Jasper52New York, NY

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Platinum 40 Ct Graduated Diamond Necklace 81 Diamonds G-H VVS-VS

$74,850

Diamond DepotNew York, NY

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Vintage Hand Carved Amethyst Pendant Necklace Platinum 18K Yellow Gold 19.30 CTW

$7,436

Jasper52New York, NY

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Platinum Engagement Ring with GIA Certified Diamond and Pear Shaped Ruby Accents

$9,370

Diamond DepotNew York, NY

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Platinum 40 Ct Graduated Diamond Necklace 81 Diamonds G-H VVS-VS

$74,850

Diamond DepotNew York, NY

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Platinum Riviera Necklace 37.75 Ct Diamonds D-F VVS1-SI1 93 Stones

$138,350

Diamond DepotNew York, NY

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VAN CLEEF & ARPELS Platinum Diamond Brooch 15.40 Ct D-E VVS-VS

$117,840

Diamond DepotNew York, NY

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Platinum Earrings with 80 Diamonds 3.00 Ct and 24 Rubies 2.00 Ct

$3,950

Diamond DepotNew York, NY

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950 PLATINUM SEMI-MOUNT HOLDS 1.00CT DIAMOND ENGAGEMENT 6 PRONG RING MOUNTING

$1,352

Modern JewelryValley Village, CA

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Platinum 1.67ct Black Opal Diamond Cocktail Ring

$1,600

Diamond DepotNew York, NY

Jul 16, 2026

TACORI 1.00 CARAT ROUND BRILLIANT G VS1 DIAMOND PLATINUM SEMI MOUNT RING

Est.

$4,675

$5,225

$3,850

Modern JewelryValley Village, CA

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Platinum Auctions

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

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

18K Yellow Gold 10.00ct Diamond Square Link Choker Necklace

Antique 18K Yellow Gold Red Enamel 4.00ct Sapphire and 2.50ct Diamond Bracelet

Faberge Imperial Russian Natural Pearl and 2ct Diamond Earrings

Luxury Vintage & Antique Jewelry Sale

Eastern European Art Gallery Inc

Starts on:

Broomall, PA, US

6 days Left

LiveAuctioneers

Platinum

All Filters

$1,175

$10,500

$23,460

$1

$6,500

$7,800

$15,500

$10,500

$2,030

$3,350

$39,130

$3,400

$11,220

$7,436

$74,850

$7,436

$9,370

$74,850

$138,350

$117,840

$3,950

$1,352

$1,600

$3,850

Platinum Auctions

DESIGNER PREMIUM GOLD AND PLATINUM JEWELRY 12

DESIGNER GOLD DIAMOND AND PLATINUM JEWELRY 13

Luxury Vintage & Antique Jewelry Sale