Tiffany Stevens Resigns From IGI

Tiffany Stevens has left her job as chief business officer and head of sustainability for the North American branch of the International Gemological Institute (IGI), the lab confirmed to JCK.

No successor had been appointed at press time, according to IGI.

Stevens joined IGI last July, after seven years as president and CEO of the Jewelers Vigilance Committee (a role currently held by Sara Yood). At IGI, Stevens took over from Avi Levy, who is now working for rival lab GCAL by Sarine.

IGI was purchased by Blackstone Group for $569.65 million in 2023. It went public in December.