Rubies can be the most valuable colored gemstone, based on price-per-carat.1 However, there are a lot of fakes out there, and it can be hard to tell if a ruby is real. Ultimately, the surest way to tell is to take the stone to a licensed jeweler. At home, you can gauge the rubys authenticity by looking at its color and its hardness. Use a 10-power magnifier, if possible, to inspect the ruby up close.
How to check Real Ruby Gemstone
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How to check Real Ruby Gemstoneruby stoneruby checkingreal rubyreal ruby gemruby stone priceHobbies and CraftsHow ToHow to Tell if a Ruby is RealInspecting the Ruby at HomeTell by the color and the shine.Compare the ruby stone to a shard of red glass.Try to scratch the surface.See if the ruby rubs off on another surface.Know the types of fake.