inclusions

Don’t underestimate the importance of clarity, one of the Four Cs of gemstone grading. For faceted gems, basic clarity grading involves evaluating…

I acquired this tourmaline on my trip to Maine earlier this year.  This is the cleaner of the only two pink stones I was able to get that were facet…

Lab-grown diamonds are rising in popularity because they are cost-effective, conflict-free, and environmentally friendly. They have the same…

Just like natural diamonds, lab-grown diamonds are priced according to the Four Cs: color, cut, clarity, and carat. However, lab-grown diamonds…

If you’ve inherited or received a gift of gems or jewelry, you’re probably wondering whether the stones are real diamonds, other white gems,…

Step 2: Advanced Gemology Lesson 8 Back to syllabus In 1999, General Electric (GE) introduced a new diamond treatment into the jewelry trade. The…

Step 5: Advanced Gem Information Lesson 2 Back to syllabus Synthetic diamonds aren’t new. General Electric (GE) has been making them since…

Some people make distinctions between different kinds of synthetic or lab-grown gems. In fact, you may even find different definitions of synthetic…

Lab-created diamonds have an undeserved stigma. However, they make excellent, lower-cost alternatives to natural, mined diamonds. In this…