E03 - Ruby - one of the most important market forces today

Gem Hunter Don Kogen discusses the Ruby. He takes us through the changing market demand for the beautiful crimson gem, starting with the Sunrise Ruby, which broke the world record for a colored gemstone when it surpassed 7 digits per carat at auction. Through his personal stories about gem hunting in Mozambique, Thailand, Tanzania, and Bu ... See more
May 03 2022