Ten Rare and Expensive Engagement Ring Stones
These ten gems are some of the rarest and most desired in the world. If money is no object, consider one of these stones for an expensive engagement…
What’s the Difference Between Mineral Samples and Gem Rough?
For faceting, the distinction between gems and minerals is usually clarity. However, learn why the decision to cut may be an aesthetic or even a…
History of Birthstones
Birthstones have become an international jewelry trend, but have you ever wondered where this tradition began? Here is your rundown on the centuries-long,…
Advice for Determining Gemstone Value
Judging gemstone value is complex, and new gemologists can have trouble with this. These four exercises can help you learn to evaluate “bargain…
Demantoid Garnet Buying Guide
Stunning green hues and a brilliance that outshines diamond combine to make demantoids truly captivating. Read more in our demantoid garnet buying…
Aquamarine Grading and Pricing
Aquamarines are evaluated based on the Four Cs: color, clarity, cut, and carat. Learn how each factor affects aquamarine grading and pricing.…
Carats and Gemstone Grading
Carats are the units used to measure gem weight and one of the main factors in gem grading. Learn what affects the price per carat of various gem species.…
Most Expensive Diamond Colors With Prices Explained
Looking at fancy colored diamonds? Discover unique diamond colors with our guide and learn how the pricing of these gems can vary.
Moonstone Buying Guide
Discover expert moonstone buying tips, evaluation criteria, and pricing insights. Learn about colors, clarity, cuts, and settings for perfect…
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