Sapphire is one of the classic gems. In this article, Lotus Gemology's resident connoisseur casts a discerning eye at the factors that contribute to q...

Digital Devil #14. An exposé on massive "gem" specimens matched with bogus "appraisals." 

Digital Devil #13. A tale of Burmese rubies, Burmese heat, a Shan princess and a Burmese general.

Jadeite jade is a stone intimately associated with Burma (Myanmar). But there are deposits in other countries. This article details Russia's jadeite d...

Digital Devil #12. The subject of "blood diamonds" (conflict diamonds) quickly became a major story in 2000. Here, Richard Hughes casts a jaundiced ey...

Installment #11 of my Digital Devil column, once again going after GE and LKI for their HPHT treated diamonds.

Digital Devil #10. It was Tucson. Show over. The last supper. One of those marvelous evenings which Tucson regularly delivers…

Digital Devil #9. Once again, we take a look at emerald fillers.

Digital Devil #8. The Fred Ward emerald case killed his business and nearly killed the emerald business in the US. Here was my tongue-outta-cheek take...

Myanmar's jadeite mines occupy a privileged place, representing the planet's principal source of fine jadeite jade. This article covers the deposits t...