Buy Pre-Owned Diamond and Gemstone Brooches Online | GEMGEM

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Discover authenticated brooches and pins on GEMGEM. Each listing is verified for authenticity — from subtle accents to statement pieces — with transparent pricing and no hidden markup.

12 Result Available

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18K White Gold Brooch Studded With Jade with 88.23ct

Ships from Hong Kong

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Verdure 18K Two Tone Emerald Brooch – B64

Ships from Hong Kong

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Elegant Two-Tone Gold Sapphire Brooch - B143

Ships from Hong Kong

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Heritage Jadeite Brooch 45.74ct 18K White Gold

Ships from Hong Kong

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Classic Jadeite Brooch 35.85ct 18K White Gold

Ships from Hong Kong

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Rare Jadeite Brooch 60.16ct 18K White Gold

Ships from Hong Kong

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Elegant Jadeite Brooch 49.43ct 18K White Gold

Ships from Hong Kong

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Collector Jadeite Brooch 56.63ct 18K White Gold

Ships from Hong Kong

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Loose Diamonds

Natural diamonds, verified and accurately described.

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American Flag Brooch Set in 14K White Gold

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White Gold Bumble Bee Emerald Diamond Brooch

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Diamond Green Frog Brooch 18K Yellow Gold

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18K White Gold Diamond Brooch

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