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Aig certified 55.65 ct natural Rwanda Amethyst gemstone
Certified Padparadscha Sapphire 2.14Ct Natural Orange Pink Sapphire
35.28 CTS MORGANITE LEMONADE PINK 100% NATURAL UNHEATED BRAZIL MINE
Top quality 8.05 ct Natural Columbia Emerald Minor Oil
Deep blue Santa Maria Color natural 51.81Ct Natural berly Aquamarine Gemsto
Amazing 51.90 Ct Dazzling Natural Morganite Brazil
Pakistan rare mine Sparkles Parrot Green Color peridot 22.20 Ct Top Quality
Rare Imperial Topaz Rare 120.20 Ct Natural Imperial Topaz
Magnificent 5.50ct Natural Mandarin Fanta Spessartite Garnet
Certified Pink Sapphire 2.53Ct Top Quality Sapphire
5.10 ct - BURMA SPINEL - COLLECTOR'S ITEM
IGI Certified India Chrysoberyl Cat's Eye, 6.14 Carats, Green Round
IGI Certified India Chrysoberyl Cat's Eye, 6.65 Carats, Oval
VVS 14.75 Cts Honey Color Natural Tourmaline
10.57 CT 8000usd 14x10mm Loupe clean Rare Blue Tanzanite Designer Pair
16.35 ct 9000usd Master cut Rare Investment Piece Indicolite Tourmaline Gem
Aig certified 56.74 ct natural Rwanda Amethyst gemstone
8.81 Carats Gorgeous Umbalite Garnet Faceted Gem Piece
1,54ct Muzo Colombian Emerald Ref 13/47,69 Colombian Emerald
3.27ct spinel from Burma octagon shape very light pink colour by GFCO

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Gemstone Excellence By the Numbers: Our Marketplace Milestones

Bids
11,822,370
Members
303,312
Open Auctions
15,425
Sold Products
1,305,346

Why Choose Gem Rock Auctions for Your Gemstone Needs

Welcome to Gem Rock Auctions, your ultimate destination for discovering and acquiring an exquisite array of loose gemstones, gemstone rough, mineral specimens, and a diverse range of birthstones including diamonds, sapphires, and rubies. At the heart of our service lies a commitment to bring you closer to the beauty and diversity of gemstones from around the globe.

As a leading global online marketplace, Gem Rock Auctions prides itself on hosting a network of verified sellers. Each seller is rigorously vetted to ensure they meet our high standards of authenticity and quality. This means that every gemstone available through our platform is not only genuine but also adheres to the highest standards of quality.

Our mission extends beyond merely being a marketplace; we are your guide in the vibrant world of gemstones. Through our comprehensive Gemstone Encyclopedia, we empower you to make informed decisions by providing insights and expert advice on what to look for when purchasing gemstones. This educational approach ensures that your journey into the world of gemstones is both enjoyable and enlightening.

At Gem Rock Auctions, we are dedicated to ensuring the integrity and quality of your gemstone purchases. Our platform is more than just a place to buy gemstones; it's a space where the beauty and rarity of gemstones are celebrated and made accessible to you, no matter where you are in the world. Join us in exploring the treasures that lie within the earth and find your perfect gemstone, sourced from the finest locales across the globe.

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.