Program aims to educate young consumers about mined stones’ positive qualities.
She succeeds Avi Levy, who is stepping down after five years.
US and European clients demanding self-certification even for goods under 1 carat.
Tiffany Stevens of the Jewelers Vigilance Committee expects tighter rules in the US.
Brandee Dallow, Steven Holtzman and Feriel Zerouki bring director total to 34.