Jewel was from the collection of Queen Nazli, former queen mother of Egypt.
Lab also rolling out new comments clarifying impact of fluorescence.
Plan is response to alleged leniency on forced labor.
Interview with Debswana CEO Andrew Maatla Motsomi.
Session will take place June 16 at 10 a.m. Eastern time.
2-carat and larger stones in demand at key US show.
CEO Dan Mano outlines company’s new vision at JCK Las Vegas breakfast.
Next Catoca and Luele sales will see lower availability in those sizes, Endiama says.
Miner also reveals holiday campaign focusing on four classic jewelry designs.
Exhibitors report positive traffic and sales at higher-end Las Vegas event.
US giant will integrate New York-based diamond e-tailer into Blue Nile.