A crucial change to GIA grading reports could restore confidence among the trade and consumers.
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High-quality emerald production offset weak grades at ruby mine.
Gareth Penny-led consortium would pay $750 million up front, Bloomberg says.
Sales value down 24% in fourth quarter and flat for full year.
Boucheron and Pomellato drive 15% revenue jump.
Revenue down 27% in first half.
Increase in first-half average price offsets decline in volume.
“Excellent performance” at Tiffany and Bulgari fuels 3% bump.
0% tax strengthens Antwerp’s position as the region’s leading hub.
Bourse will connect Doha to international diamond and precious-stone markets.
Learn about the latest programs and progress in the August issue.