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Auction Basics
Once you find an auction listing you're interested in, you're able to place bids against other buyers. Look for the button that says "place bid" and enter the amount you're willing to pay.
If you want to participate in the auctions of our website, you must register and become a member. Provide your contact information and a valid credit card so we can verify that you are a real person.
In this type of auction, buyers bid until the auction ends. Bidding starts at $1, and the seller must sell the item to the highest bidder.
In this type of auction, the seller has a preset bid amount that must be matched or exceeded. When you bid on a reserve price item, you will be notified if you met the reserve price.
There are no buyer's hidden fees. If you win, what you bid is what you pay.
About Gem Rock Auctions
Welcome to Gem Rock Auctions. If you are looking for loose gemstones, gemstone rough, mineral specimens, Birthstones, Diamond, Sapphire, Rubies, or anything else to do with gemstones, you've come to the right place. Gem Rock Auctions is a global online marketplace where verified sellers from all over the world have been approved to sell authentic gemstones directly to you. We help you buy gemstones online and explain what to look for when buying gemstones in our Gemstone Encyclopedia. Gem Rock Auctions ensures that high-quality gemstone are being sold online and looks forward to being your solution for purchasing fine gems from around the world.

All sellers on Gem Rock Auctions must comply with our Verified Sellers program which ensures a high degree of industry knowledge, consistent refund policy and pricing.

The Gemstone Sheriff program allows our members to request an audit on any item, which is completed by an independent Gemologist who assesses the accuracy of the item description and pictures.