Learning Center

Buying, Cutting and Evaluating Rough Gemstones

What to consider when considering buying rough gemstones and how to decide what cutting technique is best.

Gemstone Care Guide

Our gemstone care guide covers many popular gems. Learn how best to maintain your gemstone jewelry and what kinds of stresses and cleaning methods…

Figuring Rough Cost

Jeff R Graham shares his opinions and thoughts on various topics on Just Ask Jeff. Figuring rough cost on Just Ask Jeff: How do I figure rough cost?…

Supply of Gemstones and Rough

Jeff R Graham shares his opinions on various topics on Just Ask Jeff. See what his answers are to How does the supply of gemstones and rough actually…

Siberite Tourmaline Material

Jeff R Graham shares his opinions and thoughts on various topics in Just Ask Jeff. See what his answers are to What does Siberite Tourmaline look…

Cut Stones Cost

Jeff R Graham shares his opinions on various topics in Just Ask Jeff. See his answers to Why is some rough stone like Topaz the same cost of cut stones?…

Commercial and Rough Stone Prices

Jeff R Graham shares about commercial and rough stone prices. See his answers to Why does rough cost almost as much as commercially cut stones sometimes?…

Profit Making from Rough Gems

Just Ask Jeff answers “Can I make money cutting that rough?”. Profit making from rough gems is an important issue for all who want to facet and make…

Ready to learn how to identify gems on your own?

Join our mailing list below to download a FREE gem ID checklist tutorial. See what’s inside…

• Discover the 17 practical steps to gemstone identification (even if you’re just getting started with gemology)

• Learn how you can use specific tools to gather data, make observations & arrive at an accurate ID

• Explore a range of gemological tests… not only will you get familiar with the process but also time-saving shortcuts!