Loose Gems, Minerals & Geodes 34 results

Welcome to AuctionNinja's exclusive gemstone auctions. Our auctions feature a captivating collection of used gemstones, including the sought-after Gemini birthstone. Aside from sapphires, rubies, and diamonds, you can also explore our selection of jade stones, renowned for their deep history and mesmerizing hues. No matter what stone you're after, each gem promises a story, offering a unique addition to your collection.

Embrace the thrill of bidding, starting from just $1, and discover the perfect gem at an incredible value. Your next precious stone is just a bid away!