Buy Pre-Owned Diamond and Gemstone Brooches Online | GEMGEM

HomeBrooches

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

12221_mainPhoto

18K White Gold Brooch Studded With Jade with 88.23ct

Ships from Hong Kong

2209_mainPhoto

Verdure 18K Two Tone Emerald Brooch – B64

Ships from Hong Kong

2202_mainPhoto

Elegant Two-Tone Gold Sapphire Brooch - B143

Ships from Hong Kong

1858_mainPhoto

Heritage Jadeite Brooch 45.74ct 18K White Gold

Ships from Hong Kong

1866_mainPhoto

Classic Jadeite Brooch 35.85ct 18K White Gold

Ships from Hong Kong

1875_mainPhoto

Rare Jadeite Brooch 60.16ct 18K White Gold

Ships from Hong Kong

1877_mainPhoto

Elegant Jadeite Brooch 49.43ct 18K White Gold

Ships from Hong Kong

1878_mainPhoto

Collector Jadeite Brooch 56.63ct 18K White Gold

Ships from Hong Kong

Fast shipped banner

1007_mainPhoto

American Flag Brooch Set in 14K White Gold

987_mainPhoto

White Gold Bumble Bee Emerald Diamond Brooch

844_mainPhoto

Diamond Green Frog Brooch 18K Yellow Gold

794_mainPhoto

18K White Gold Diamond Brooch

You’ve reached the end

The marketplace where fine jewelry holds its value.

Authenticity GuaranteedAll items are real gold, real diamonds, real gemstones — as described.

IGI AuthenticationC2C items are physically authenticated by the International Gemological Institute.

48-Hour Buyer ReviewYour payment is held in escrow. Released only after you confirm delivery.

Insured DeliveryEvery shipment is fully insured and signature-confirmed.

· © 2026 GEMGEM · All rights reserved · JVC MEMBER · TRUSTPILOT 4.9