2M+ REVIEWS | 1000+ NEW GEMS DAILY |
  • 11.14 CT 9000usd Premium Gem Rare Mozambique Natural Master Cut Tourmaline
  • 8.68-CTS AUSTRALIAN SAPPHIRE ROUGH RG-4134
  • 5.43 Carats Natural Blue Tanzanite Pear Shaped Tanzanian Loose Gemstone
  • 6380 Ct GIANT EMERALD HAND PAINTED Natural Faceted Gemstone P-11
  • 5.65 CT TOURMALINE SUNSET PEACH COLOR NATURAL UNHEATED MOZAMBIQUE
  • NATURAL Ceylon Sapphire 1.19ct Deep Blue Round Cut Loose RARE Gem 6mm VVS
  • 1.24 CRTs Beautiful Natural Emerald Gemstone.
  • Certified|Ultra Rare Collector|Color Change Alexandrite: 3.01 Ct Sri Lanka
  • 2.79 Ct. Chrysoberyl Cat's Eye | Mined in Sri Lanka | Certified by IGI
  • Green Sapphire 2.17 Ct. Unheated/ Certified, Will look Amazing on a Ring!
  • 17.50cts IGI Certified Zambian Emerald , 100% Natural Gemstone
  • 1.58 CRT SAPPHIRE ROYAL BLUE RARE 99% CLEAN NATURAL ONLY HEATED SRI LANKA
  • 2.49 Ct. Tsavorite Garnet | Mined in Kenya | Certified by GRS | Untreated
  • 3.60 PARAIBA GIL CERTIFIED 100% NATURAL COPPER BEARING UNHEATED
  • 7.44 PARAIBA GIL CERTIFIED 100% NATURAL COPPER BEARING UNHEATED
  • 12.25 Cts AAA Grade Flawless Natural Seafoam Blue Color Tourmaline
  • 9.89 Cts Top Grade Master Cut Natural Sky Blue Aquamarine VVS
  • 7.55 CT 5000usd Loupe Clean Top Quality Natural Tanzanite
  • 7.80 ct 7500 10.5x8.5mm Rare Red Flash Blue Tanzanite Pair
  • VVS 32.90 CT Natural Aquamarine Gemstone Emerald Cut From Pakistan

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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.