Opal is a complicated gemstone, and many factors affect its price. Learn how to distinguish these eight opal types and how they differ in value.
Exceptionally sparkly, radiant-cut diamonds are great for engagement rings. But how can you find a top-quality gem? Read our tips for buying radiants here.
Buying a diamond but unsure about the girdle? Learn everything you need to know about diamond girdles, including thickness ratings and girdle inscriptions.
Curious about how opals form and show such stunning colors? Learn about the scientific theories behind opal formation and why some opals show a rainbow.
A two-carat diamond engagement ring is sure to turn heads. Learn how to choose a top-quality diamond in this size while staying in your budget.
Gemstone cleavage is a break in a crystal along internal planes. Learn the science behind this and the difference between cleavage, fracture, and parting.
Everything you ever wanted to know about spessartite garnets. Find value guidelines, scientific data, expert comments, and more in our Gemstone Listings.
Your budget, style, and expectations will impact the size diamond you choose for your jewelry. Read our guide to see what carat diamond works best for you.
Garnet symbolism is rich and varied. This gemstone has inspired many legends and popular associations with love, friendship, light, and vitality.
A beautiful and versatile shape, marquise-cut diamonds are perfect for unique engagement rings. Learn how to pick the stone that’s best for you.