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Results for “Antique Platinum Brooches”

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Antique Platinum, Gold, Diamond & Pearl Brooch: Antique platinum topped yellow gold, rose and old mine diamond brooch with pearl drop, delicately accented with millegraining, unmarked, but tests for 18K gold and platinum. [9.84 dwt., 2.5" H x 1.75"

3 days Left

Antique Platinum, Gold, Diamond & Pearl Brooch

Est. $2,000-$3,000

Antique Art Deco Diamond Crown & Sceptre Brooch in Platinum and Gold: Antique Art Deco Diamond Crown & Sceptre Brooch in Platinum and Gold This exquisite Antique Art Deco Brooch features a stunning royal crown design adorned with 17 natural diamonds, including round bri

6 days Left

Antique Art Deco Diamond Crown & Sceptre Brooch in Platinum and Gold

Est. $2,483-$3,227

Antique pendant brooch in yellow gold and platinum with old-cut diamonds and sapphires: Antique pendant brooch in yellow gold and platinum with old-cut diamonds and sapphiresAntique pendant brooch in yellow gold and platinum, likely dating from around 1910/1920. Unmarked, tested for 585

Apr 04, 2026

Antique pendant brooch in yellow gold and platinum with old-cut diamonds and sapphires

Est. €1,800-€2,200

Antique 18K Platinum Diamond Garnet Brooch 54 Diamonds 24 Garnets: Antique 18K Platinum Diamond Garnet Brooch 54 Diamonds 24 Garnets This exquisite antique brooch showcases a stunning combination of 18K gold and platinum, adorned with sparkling diamonds and vibrant g

2 days Left

Antique 18K Platinum Diamond Garnet Brooch 54 Diamonds 24 Garnets

Est. $7,579-$9,852

Antique 18K Gold Platinum Diamond Pearl Brooch 2.5 Inches: Antique 18K Gold Platinum Diamond Pearl Brooch 2.5 Inches Discover this exquisite Antique Brooch crafted from 18K gold and platinum, featuring stunning diamonds and pearls. This elegant piece weighs 1

3 hrs Left

Antique 18K Gold Platinum Diamond Pearl Brooch 2.5 Inches

Est. $18,447-$23,981

Antique Platinum 18K Diamond Brooch with Natural Pearls 2 Inches: Antique Platinum 18K Diamond Brooch with Natural Pearls 2 Inches This exquisite Antique Platinum & 18K Diamond Double Clips Brooch showcases a stunning design that is both elegant and timeless. Weighi

2 days Left

Antique Platinum 18K Diamond Brooch with Natural Pearls 2 Inches

Est. $3,172-$4,123

Antique Krementz 14k Gold Platinum Rock Crystal Diamond Bar Brooch: Antique Krementz 14k Gold Platinum Rock Crystal Diamond Bar Brooch This exquisite Antique Krementz 14k Gold & Platinum Rock Crystal Bar Brooch showcases a stunning design featuring a natural genuine r

2 days Left

Antique Krementz 14k Gold Platinum Rock Crystal Diamond Bar Brooch

Est. $1,248-$1,622

Antique Art Deco Platinum 7.3ctw GIA Colombian Emerald Diamond Brooch: Antique Art Deco Platinum 7.3ctw GIA Colombian Emerald Diamond Brooch This exquisite antique brooch showcases a stunning 4.65-carat GIA certified Colombian emerald, elegantly crafted from solid .900 p

1 day Left

Antique Art Deco Platinum 7.3ctw GIA Colombian Emerald Diamond Brooch

Est. $6,747-$8,771

Edwardian 14k Gold Platinum Diamond Lozenge Brooch Antique Design: Edwardian 14k Gold Platinum Diamond Lozenge Brooch Antique Design This exquisite Antique Edwardian brooch showcases an elegant lozenge design crafted from solid 14k yellow gold and adorned with a plat

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Edwardian 14k Gold Platinum Diamond Lozenge Brooch Antique Design

Est. $585-$760

Antique 18K Gold Platinum Diamond Pearl Brooch 2.5 Inches: Antique 18K Gold Platinum Diamond Pearl Brooch 2.5 Inches Discover this exquisite Antique Brooch crafted from 18K gold and platinum, featuring stunning diamonds and pearls. This elegant piece weighs 1

6 days Left

Antique 18K Gold Platinum Diamond Pearl Brooch 2.5 Inches

Est. $18,447-$23,981

Antique Edwardian Platinum 1.46ctw Old Mine Diamond Brooch Pin: Antique Edwardian Platinum 1.46ctw Old Mine Diamond Brooch Pin This exquisite Antique Edwardian brooch features a stunning open circle design, symbolizing the circle of life. Crafted from solid .820+

Apr 03, 2026

Antique Edwardian Platinum 1.46ctw Old Mine Diamond Brooch Pin

Est. $2,639-$3,430

Antique Art Deco Platinum Diamond Ribbon Bow Wreath Brooch 1.70ctw: Antique Art Deco Platinum Diamond Ribbon Bow Wreath Brooch 1.70ctw This exquisite Antique Art Deco brooch pin is crafted from solid platinum and showcases a stunning ribbon bow wreath design adorned w

Apr 03, 2026

Antique Art Deco Platinum Diamond Ribbon Bow Wreath Brooch 1.70ctw

Est. $2,015-$2,619

Antique Rene Boivin Platinum Diamond Brooch Circa 1880s Estate Jewelry: Title: Antique Rene Boivin Platinum Diamond Brooch Circa 1880s Estate Jewelry Description: About the Item This antique Rene Boivin platinum and diamond lily-of-the-valley brooch, dating to the 1880s,

2026

Antique Rene Boivin Platinum Diamond Brooch Circa 1880s Estate Jewelry

Chairish Auctions

Est. $106,000-$127,000

Buy Now for $88,000.00

TWO ANTIQUE PLATINUM, PLATINUM TOPPED 14K GOLD, AND DIAMOND BROOCHES: TWO ANTIQUE PLATINUM, PLATINUM TOPPED 14K GOLD, AND DIAMOND BROOCHES •Art Deco platinum brooch with numerous round single diamonds weighing approximately 1.15 - 1.20 carats total, length: 1 5/16

TWO ANTIQUE PLATINUM, PLATINUM TOPPED 14K GOLD, AND DIAMOND BROOCHES

Est. $1,000-$2,000

$800

Antique 18K Platinum Diamond Garnet Brooch 54 Diamonds 24 Garnets: Antique 18K Platinum Diamond Garnet Brooch 54 Diamonds 24 Garnets This exquisite antique brooch showcases a stunning combination of 18K gold and platinum, adorned with sparkling diamonds and vibrant g

2 days Left

Antique 18K Platinum Diamond Garnet Brooch 54 Diamonds 24 Garnets

Est. $12,592-$15,111

Antique Art Deco Diamond Crown & Sceptre Brooch in Platinum and Gold: Antique Art Deco Diamond Crown & Sceptre Brooch in Platinum and Gold This exquisite Antique Art Deco Brooch features a stunning royal crown design adorned with 17 natural diamonds, including round bri

24 hrs Left

Antique Art Deco Diamond Crown & Sceptre Brooch in Platinum and Gold

Est. $4,125-$4,950

Edwardian 14k Gold Platinum Diamond Lozenge Brooch Antique Design: Edwardian 14k Gold Platinum Diamond Lozenge Brooch Antique Design This exquisite Antique Edwardian brooch showcases an elegant lozenge design crafted from solid 14k yellow gold and adorned with a plat

24 hrs Left

Edwardian 14k Gold Platinum Diamond Lozenge Brooch Antique Design

Est. $972-$1,166

Antique Art Deco Platinum 9.18ct Diamond Sapphire Circle Wreath Brooch: Antique Art Deco Platinum 9.18ct Diamond Sapphire Circle Wreath Brooch This stunning Antique Art Deco brooch features a beautiful ribbon wreath design crafted in solid platinum, showcasing a central o

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Antique Art Deco Platinum 9.18ct Diamond Sapphire Circle Wreath Brooch

Antique Edwardian Long Filigree Diamond Brooch Pin Platinum, 10.23 Grams: Antique Edwardian Long Filigree Diamond Brooch Pin Platinum, 10.23 Grams This is a lovely one-of-a-kind brooch. Please let us know if you have any questions. Circa: 1901-1914, Edwardian Diamonds: 2.13

2026

Antique Edwardian Long Filigree Diamond Brooch Pin Platinum, 10.23 Grams

Chairish Auctions

Est. $6,000-$7,000

Buy Now for $5,276.00

Antique 18K Gold Platinum Pearl Diamond Brooch 2.50 Ct: Antique 18K Gold Platinum Pearl Diamond Brooch 2.50 Ct This exquisite antique brooch is crafted from 18K gold and platinum, showcasing a stunning array of natural pearls and diamonds. Weighing 12.3 gr

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Antique 18K Gold Platinum Pearl Diamond Brooch 2.50 Ct

Antique French 18k Gold Platinum Diamond Mosaic Brooch 2.20ctw: Antique French 18k Gold Platinum Diamond Mosaic Brooch 2.20ctw This exquisite antique brooch showcases a stunning mosaic design crafted from numerous natural genuine diamonds, including Old European a

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Antique French 18k Gold Platinum Diamond Mosaic Brooch 2.20ctw

Antique Platinum 18K Diamond Brooch with Natural Pearls 2 Inches: Antique Platinum 18K Diamond Brooch with Natural Pearls 2 Inches This exquisite Antique Platinum & 18K Diamond Double Clips Brooch showcases a stunning design that is both elegant and timeless. Weighi

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Antique Platinum 18K Diamond Brooch with Natural Pearls 2 Inches

Antique Edwardian Long Filigree Diamond Brooch Pin Platinum, 10.23 Grams: Title: Antique Edwardian Long Filigree Diamond Brooch Pin Platinum, 10.23 Grams Description: Antique Edwardian Long Filigree Diamond Brooch Pin Platinum, 10.23 Grams This is a lovely one-of-a-kind bro

2026

Antique Edwardian Long Filigree Diamond Brooch Pin Platinum, 10.23 Grams

Chairish Auctions

Est. $6,000-$7,000

Buy Now for $5,276.00

Antique Edwardian 14k Gold Platinum Diamond Filigree Bar Brooch: Antique Edwardian 14k Gold Platinum Diamond Filigree Bar Brooch This exquisite antique Edwardian bar pin brooch showcases a stunning combination of 14k solid yellow gold and a platinum top, crafted du

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Antique Edwardian 14k Gold Platinum Diamond Filigree Bar Brooch

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