Program aims to educate young consumers about mined stones’ positive qualities.
Consumers will shell out $6.8 billion on category, compared to $7 billion a year ago.
Shai de Toledo and Rafael Papismedov will leave less than two years after partner Oded Mansori exited and came back.
Figures down by more than half for first quarter, as miner processed only stockpiled ore.
Some 175 locations shut doors, compared with 166 a year ago.
Vast Resources will send package of 129,400 carats for valuation.
Family member will buy 23.24-carat stone, which has royal Indian provenance.
Figure for all diamonds down 0.3% in first quarter.
Price stabilization at end of period gives way to a return to cautiousness amid fear of tariff impact.
Boucheron, Pomellato and Qeelin all saw strong growth in first quarter.
Move aims to help miners maintain economic stability amid growing financial pressures and industry-wide uncertainty.