inclusions

Step 1: Introduction to Gemology Lesson 24 Back to syllabus The cut is humanity’s contribution to the beauty of gemstones. Color, clarity, and…

As a professional gemologist, you’ll grade and value gems. Occasionally, you’ll come across a stone that may need recutting. However,…

What makes diamonds so expensive? And who decides how much they cost? Why do two diamonds with the same grades in the Four Cs have different prices?…

You can find many different diamond websites, each covering its own niche. With so many options, how can you find the one and where do you start? Of…

Buying a diamond engagement ring shouldn’t be difficult. But, for online buyers, the search parameters and options can be overwhelming. Learn…

White diamonds surround this large, 1.17-ct cushion cut fancy pink diamond. “Pink Blush” © Dalby Diamonds. Used with permission.…

3.75-ct emerald-cut fancy yellow diamond with Burmese rubies. © Jogani Beverly Hills. Used with permission. Perhaps the most fantastic…

Blue diamonds are among the rarest – and priciest – gems. Named in honor of the actress Jane Seymour, this 2.08-ct VS1 fancy vivid blue…

Although most black diamonds on the market today are either superheated or irradiated to an almost black color, natural black diamonds do exist,…