First-time gem buyers may not understand how choosing, rating, and grading diamonds work. Our consumer guide both explains and offers advice on all three.
Visit one of the top gem hunting spots in the US. Go alone or with the family. A gemology-themed vacation can be fun, educational, and (maybe) profitable.
What does a diamond cost? When consumers think of diamonds, they think “expensive.” However, what exactly makes that so? Beyond the unavoidable factors of mining, cutting, grading, and setting, who or what determines diamond prices?
Don't overspend on diamonds. Check out our diamond clarity chart to learn about the four most important factors impacting a stone's value.
Diamond buyers often want to know which of the Four Cs of gem grading is most important — color, clarity, cut, or carat. However, these qualities aren’t as distinct as they seem. Learn more about diamond color and how it affects the other qualities as well as overall value.
Diamond buyers often want to know which of the Four Cs of gem grading is most important — color, clarity, cut, or carat. However, these qualities aren’t as distinct as they seem. Learn more about diamond carat weight and how it affects the other qualities as well as overall value.
We live in a world of crystals. You don’t have to dig deep into the Earth to find them. Even the bones in our bodies and the dust in the air contain them. Learn more about crystalline minerals and gemstones as well as the crystals that grow in living beings.
With only a few produced each year, pink diamonds are among the rarest gems on the planet. Learn how quality impacts cost for these rarities in our fancy colored pink diamond buying guide.
Blue diamonds are among the rarest and most prized diamonds. Our blue diamond buying guide will help consumers understand the value factors for these gems.
How well do you know your birthstone gemology? Take our short quiz and learn about the composition, cutting, and value of birthstones.