How to Identify Real Gemstones
Comprehensive, expert-written guides to help you distinguish genuine gemstones from fakes, synthetics, and treated stones. Protect your investment with knowledge.
How to Identify Ruby
Learn how to identify a real ruby from fakes and synthetics. Expert tips on color, inclusions, fluorescence, and professional testing methods for ruby authentication.
How to Identify Sapphire
Master sapphire identification with our expert guide. Learn to spot natural vs synthetic sapphires through color, inclusions, dichroism, and lab testing techniques.
How to Identify Emerald
Learn how to tell if an emerald is real. Expert guide covering color assessment, jardin inclusions, Chelsea filter test, and professional authentication methods.
How to Identify Diamond
Learn to identify real diamonds from moissanite, CZ, and lab-grown stones. Expert guide on the 4Cs, testing methods, and professional diamond authentication.
How to Identify Tanzanite
Learn how to identify genuine tanzanite. Expert guide on trichroism, color evaluation, natural vs synthetic detection, and treatment assessment for tanzanite.
How to Identify Alexandrite
Expert guide to identifying real alexandrite. Learn about color-change evaluation, natural vs synthetic detection, and why alexandrite is rarer than diamond.
How to Identify Opal
Learn to identify genuine opals from synthetics and doublets. Expert guide on play-of-color assessment, body tone, pattern recognition, and opal authentication.
How to Identify Tourmaline
Master tourmaline identification. Learn about Paraíba, rubellite, chrome tourmaline and more. Expert guide on colors, testing methods, and authentication.
How to Identify Aquamarine
Learn to identify genuine aquamarine from blue topaz, glass, and synthetics. Expert guide on color, clarity, and professional testing methods.
How to Identify Garnet
Expert guide to identifying garnet varieties. Learn about tsavorite, demantoid, rhodolite, and more. Color, inclusions, and professional authentication methods.
How to Identify Spinel
Learn to identify genuine spinel. Expert guide covering red, pink, blue, and cobalt spinel varieties. Color evaluation, authentication methods, and buying guide.
How to Identify Amethyst
Learn to identify genuine amethyst from glass, dyed quartz, and synthetics. Expert guide on color zoning, inclusions, and authentication methods for amethyst.