Resource center
Read: 4 min
What is a cabochon?
Learn what a cabochon is, how these smooth gemstones are shaped and why this unique cut is a jewelry favorite.
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!