The Tucson Gem Show is the crown jewel event for jewelry designers worldwide. I first attended in 2002, and this is my gemstone selection process at the 2018 show.

https://tucson.com/entertainment/fun-facts-about-the-tucson-gem-mineral-and-fossil-showcase/collection_8e19633e-007c-11e8-b31a-4b61272606f9.html#6