Next Catoca and Luele sales will see lower availability in those sizes, Endiama says.
Many items surpassed estimates at Geneva High Jewelry auction.
Piece sells for $793,300 against a $614,900 price tag in Geneva.
New chief exec will succeed David Block.
Sales up 89% year on year thanks to new collections and strong consumer confidence.
Cost-reduction assessment could see company suspend further capital expenditure at the deposit.
Jeffrey Gennette has more than 40 years of leadership experience.
Designers receive prizes for creativity, artistry and excellence in design.
Company posts first-quarter deficit of $14.6 million, compared to $100,000 last year.
Overall prices down 0.9% year on year.
Council calls carbon-footprint assertion a “disappointing PR stunt that unfairly attacks natural diamonds.”