THE PREMIER MARKETPLACE FOR REAL GEMS

Explore the World's Premier Gemstone Marketplace

  • 3.94 Ct. Emerald | Mined in Zambia | Certified by IGI | "Royal Green"
  • 9.40ct 7000usd Collector Quality Green Tourmaline Precision Cut and Polish
  • Ceylon Blue Sapphire (2.13 Ct) - Deep Blue Color - Natural Loose Gemstone
  • 4.55Cts Excellent Unheated Yellow Sapphire Cushion Cut Loose Gemstone
  • Santa Maria Aquamarine Gemstones, Blue Aquamarine Earring Gemstones
  • Certified Royal Blue Sapphire 7.01Ct Top Quality Sapphire Srilanka
  • AIG Certified 15.07 Ct Natural Blue Paraiba
  • A very beautiful 3.50 carat natural chrome sphene cushion cut full fire
  • 2.65 -carat good quality emerald from Panjshir, Afghanistan
  • Earrings Tanzanite With Marquise Cut Natural Diamond and White Gold
  • Natural Unheated Green Sapphire 1.75 Cts Emerald Cut Loose Gemstone
  • 3.72 CRT SPINEL REAL COBALT BLUE WEL CUT 100% NATURAL UNHEATED BURMESE
  • Beautiful top quality panjsher 11.06 grams minor oil emerald gold ring
  • 54.15 Carats Natural Emerald Crystal Chitral
  • 2,65ct Purple Sapphire - Master cut & certified!
  • 5.85 CT 5000usd Premium Gem Rare Brazil Natural Indicolite Tourmaline
  • Flawless 3.50 ct Beautiful Unheated Natural Chrome Green Tourmaline
  • 1.99 Cts Fine Quality Natural Vivid Green Tsavorite Garnet
  • 3.41 ct AIG Certified AAAA+ Pear Cut (11 x 8 mm) D'Block Tanzanite Gemstone
  • HGTL CERTIFIED 10.56 Ct Blue Transparent Aquamarine TOP Quality Gemstone

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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.