THE PREMIER MARKETPLACE FOR REAL GEMS

Explore the World's Premier Gemstone Marketplace

  • Capelinha Chrome Sphene: 22 ct High End Brilliance Madagascar Mined
  • D Block Imperial Zircon: 10.02Ct Fascinating Elegant Brilliance -The Beauty
  • Natural Top Flawless Blue Aquamarine Pair 13.13 CTs Gems
  • 3.11 Cts Certified Unheated Fine Quality Natural Parti Sapphire
  • Vivd Blue Sapphire 2.55Ct Natural Top quality Sapphire
  • 1.17 CT SAPPHIRE BLUE UNHEATED ROUND SHAPE RARE 100% NATURAL MINE SRI LANKA
  • *NR fEsTiVaL* Lotus Certified Bi Color Montana Sapphire 3.09Ct.
  • Certified 4.26 Natural purple red spinel gemstone
  • Ruby, 0.94ct - Mined in Burma | Certified by IGI
  • $20000 / GIA 129.89 CTs Natural Top MORGANITE Gem
  • Royal Blue Sapphire 2.09 Ct No Heat Top Quality Sapphire
  • MASTER PIECES CHRYSOBERYL LOT 50.01 CT's , 60 PCS Unheated Gemstone Lot
  • 10.35 full of fire natural sphene gemstone pair
  • 2.45 Cts Fine Quality Heart Shape Natural Red Spinel VVS Tanzania
  • 7.68 CT 6000usd 11X9MM Red Flash Blue Tanzanite Designer Pair
  • Cornflower Blue Sapphire 3.23Ct Top Quality Sapphire Srilanka
  • Certified Padparadscha Sapphire 3.02Ct Natural Orange Pink Sapphire
  • Purple Spinel 7.75Ct Top Quality Spinel From tanzania
  • 4.26Cts Excellent Fire Natural Sphene Titanite Asscher Cut Loose Gemstone
  • *PREMIUM NR* Certified Pinkish Brown Diamond 1.58Ct.

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Gemstone Excellence By the Numbers: Our Marketplace Milestones

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.