Resource center
Read: 1 min
What to know about onyx
Learn what to know about onyx jewelry, including its rich history, symbolism and tips on caring for this black gemstone.
Read: 1 min
The secrets of the volcanic hauyne stone
Discover the rare blue hauyne gem, its volcanic origins, vibrant color, value and jewelry care tips.
Read: 6 min
Guide to gemstone certifications
Read this beginner's guide to gemstone certifications to see how getting one can help you buy, sell and get appraisals for your gems.
Read: 6 min
What is a pink diamond? And is it real? Find out here!
What is a pink diamond and is it real? Learn all about this fancy-colored diamond and its meaning in this pink diamond guide.
Read: 1 min
Your guide to understanding gem inclusions
How do gem inclusions form? Do inclusions impact a gem’s value? Find out these answers and more in this expert guide!
Read: 1 min
How are diamonds formed? Learn the natural diamond creation process
Learn how natural diamonds are formed deep within the Earth under intense heat and pressure, and how volcanic forces bring them to the surface.