The world's most comprehensive gemstone encyclopedia, powering 178 premium domains.
GEMIA exists to democratize gemstone knowledge. We believe that understanding the beauty, science, and value of gemstones shouldn't require a degree in gemology or access to exclusive trade networks.
We maintain the world's largest open database of gemstone information, covering 223 distinct gem varieties with detailed data on their properties, origins, market values, and cultural significance.
Our platform serves collectors, jewelers, gemologists, and curious enthusiasts alike. Whether you're identifying a stone in your grandmother's ring or evaluating a million-dollar acquisition, GEMIA provides the authoritative information you need.
GEMIA operates 178 premium gemstone domains, including dedicated sites for every major gem variety. This network allows us to provide focused, SEO-optimized content for each gemstone while maintaining a unified data backbone.
Our platform attracts hundreds of thousands of gem enthusiasts monthly. We offer targeted advertising opportunities across our domain network, allowing jewelers, dealers, and gem-related businesses to reach their ideal audience.
For inquiries, partnerships, or media requests, please reach out to us at hello@gemia.org.