Jewel was from the collection of Queen Nazli, former queen mother of Egypt.
Miner has been sampling kimberlites closer to Cacuilo River in hopes of locating major rough source.
How upsides and downsides could move the diamond trade off the most likely growth path.
Company falls to 67th place, 11 lower than last year.
Members of the editorial team pick their favorite pieces from the internet.
Weak demand and a supply glut have created a perfect storm for manufacturers. But the only true solution is at the consumer level.
GIA’s Tom Moses and Dr. Wuyi Wang talk about the evolution, nomenclature and detection of synthetics.
Rapaport's editor-in-chief Sonia Esther Soltani will be leaving following the publication of the upcoming issue of Rapaport Magazine.
Michael Richards, formerly company COO, succeeds Clayton Bromberg in role.
Lower number of auspicious wedding dates also dented revenue.
Why are dealers removing fewer stones from jewelry?