Low expectations for Basel show amid weak large-stone demand and fewer diamond, jewelry and watch exhibitors. US stable, with good orders for commercial-quality 0.70 to 1.99 ct., G-J, SI-I2 diamonds. Shortages developing for better qualities as India cuts back production. Rough market quiet, with deep concerns about manufacturing profitability. Alrosa 2018 revenue +9% to $4.6B, profit +15% to $1.4B. De Beers launches $2B Jwaneng mine expansion. India Feb. polished exports -4% to $2.3B, rough imports -18% to $1.4B. CIBJO specifies need to disclose treatments for both natural and lab-grown diamonds and gemstones. Fugitive jeweler Nirav Modi arrested in London.