Platinum

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Platinum Diamonds by the Yard Necklace 3.40cttw 18 Inch Round Stones

$4,410

Diamond DepotNew York, NY

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Cartier 1940s Floral Clip-On Earrings 18k Gold Platinum with Diamonds

$19,850

Diamond DepotNew York, NY

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Tiffany & Co. Elsa Peretti Platinum Wedding Ring with Diamond Size 7.25

$1,350

Diamond DepotNew York, NY

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Vintage Dorothy Schoelen Platinum Violet Navy Red Orange Print Western Shirt

$120

Jasper52New York, NY

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.60ct Natural Yellow Green Brown Diamond Vintage Gilt Ring Platinum *v

$1,860

Jasper52New York, NY

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Antique Edwardian Platinum Engagement Ring GIA 2.09ct Old Diamond Buckle Sides

$9,360

Diamond DepotNew York, NY

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Vintage 18k Yellow Gold Platinum AGCL 2.28ct Yellow Sapphire Diamond Ring

$2,750

Diamond DepotNew York, NY

Jul 15, 2026

2.78 CARAT PEAR SHAPE D-I SI2-SI1 DIAMOND PLATINUM ENGAGEMENT RING

Est.

$32,000

$35,765

$26,250

Modern JewelryValley Village, CA

Jul 15, 2026

TIFFANY & CO. 1.05 CARAT ROUND BRILLIANT E VS1 DIAMOND PLATINUM ENGAGEMENT RING

Est.

$33,000

$36,882

$27,000

Modern JewelryValley Village, CA

Jul 15, 2026

TIFFANY & CO 1.18 CARAT ROUND BRILLIANT G VS1 DIAMOND PLATINUM ENGAGEMENT RING

Est.

$32,000

$35,765

$26,250

Modern JewelryValley Village, CA

Jul 15, 2026

TIFFANY AND CO 1.25 CARAT ROUND BRILLIANT H-VS1 PLATINUM ENGAGEMENT RING

Est.

$27,800

$31,071

$22,750

Modern JewelryValley Village, CA

Jul 15, 2026

1.40 CARAT OLD EUROPEAN CUT SHAPE K-SI1 DIAMOND PLATINUM ENGAGEMENT RING

Est.

$11,500

$12,853

$9,400

Modern JewelryValley Village, CA

Jul 15, 2026

1.24 CARAT OLD EUROPEAN CUT SHAPE J-VS1 DIAMOND PLATINUM ENGAGEMENT RING

Est.

$13,000

$14,529

$10,500

Modern JewelryValley Village, CA

Jul 15, 2026

TIFFANY & CO. 1.52 CARAT ROUND BRILLIANT I SI1 DIAMOND PLATINUM ENGAGEMENT RING

Est.

$23,000

$25,706

$18,750

Modern JewelryValley Village, CA

Jul 15, 2026

TIFFANY & CO 1.59 CARAT ROUND BRILLIANT G VS1 DIAMOND PLATINUM ENGAGEMENT RING

Est.

$49,000

$54,765

$40,250

Modern JewelryValley Village, CA

Jul 15, 2026

ANTIQUE 1.51 CARAT OLD EUROPEAN CUT I-VS1 DIAMOND PLATINUM ENGAGEMENT RING

Est.

$25,000

$27,941

$20,500

Modern JewelryValley Village, CA

Jul 07, 2026

Brooch Tiffany Platinum

Est.

$4,725

$5,675

$1,250

SEUYCORaleigh, NC

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Vibrant 45 Carat Peridot Diamond Estate Ring in Platinum & 18K Gold

$17,970

Diamond DepotNew York, NY

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David Webb Platinum 18K Gold Tiger Brooch with Diamonds and Enamel

$51,040

BidhausNew York, NY

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Platinum Ring with 4.84ct Oval Aquamarine and Step Cut Diamond Accents

$2,300

Diamond DepotNew York, NY

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Antique Platinum Ring with 1.35ct Old European Diamond and Cut Accents

$18,000

Eastern European Art Gallery IncBroomall, PA

Jul 15, 2026

TIFFANY & CO 1.27 CARAT F VS1 DIAMOND PLATINUM ENGAGEMENT RING GIA

Est.

$27,404

$30,628

$22,500

Modern JewelryValley Village, CA

Jul 15, 2026

PLATINUM GEMSTONE RING WITH 0.5 CT DIAMONDS AND 20 CT STAR SAPPHIRE

Est.

$9,571

$10,697

$7,800

Modern JewelryValley Village, CA

Jul 16, 2026

1.86 CARAT CIRCULAR BRILLIANT CUT G-I2 DIAMOND PLATINUM ART DECO RING

Est.

$9,900

$11,065

$8,100

Modern JewelryValley Village, CA

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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 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

7 days Left

LiveAuctioneers

Platinum

All Filters

$4,410

$19,850

$1,350

$120

$1,860

$9,360

$2,750

$26,250

$27,000

$26,250

$22,750

$9,400

$10,500

$18,750

$40,250

$20,500

$1,250

$17,970

$51,040

$2,300

$18,000

$22,500

$7,800

$8,100

Platinum Auctions

DESIGNER GOLD DIAMOND AND PLATINUM JEWELRY 13

DESIGNER PREMIUM GOLD AND PLATINUM JEWELRY 12

Luxury Vintage & Antique Jewelry Sale