From rare diamonds to common onyx, explore 14 black gemstones, their meanings, how they form and how to care for them.
Read this beginner's guide to gemstone certifications to see how getting one can help you buy, sell and get appraisals for your gems.
Discover how this timeless gem is created and graded and the symbolism behind these legendary “mermaid tears.”
Discover the origin and symbolism behind the rare, color-changing gem.
Golds, browns, yellows and oranges dominate nature this time of year and the same holds true for November's birthstones – topaz and citrine.