Designs and Designing: Common Questions
Just Ask Jeff : There seems to be a lot of questions out there about gemstone designs and designing. Here are some common questions and answers to…
Perspective on the Gem Rough Market
Jeff R Graham shares his opinions on the gem rough market. Read more on some very important perspective to be aware of on the gem industry.
Michael Hing’s Jubilee Project
Jeff R Graham shares his opinions, thoughts and suggestions on various topics in Just Ask Jeff. See what he has to share on Just Ask Jeff:Jubilee…
Carats vs. Grams
Just Ask Jeff: Carats vs. Grams? Which is best? Most people can count and are not going to pay more for a stone just because it is weighed in carats.…
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?…
Tangent Ratioing
Jeff R Graham shares his opinions and thoughts on various topics in Just Ask Jeff. See what his answer is to What is Tangent Ratioing? What is your…
Crystalite Last Lap
Jeff R Graham shares his opinions and thoughts on various topics in Just Ask Jeff. See what his answers are to What is a Last Lap and how do I use it?
Colored Stone Grading System
“Just Ask Jeff” shares his thoughts on the Color Stone Grading System of The GIA. In May 2008, he had been informed that the grading system was modified.…
Common Books About Stones and Faceting
Jeff R Graham shares his opinions and thoughts on various topics in Just Ask Jeff. See some books about stones in What are good books to start with?…
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