Disappointing Las Vegas shows failed to add value for diamond dealers. Jewelry wholesalers did better, reflecting steady US market. Diamantaires focused on showcasing tech rather than diamonds; innovations included improved traceability programs, online sales platforms and better inventory management. Brands pushing bridal as average engagement-ring price continues to decline. Small De Beers June sight expected as manufacturers reduce cutting operations. Alrosa May sales -8% to $266M. Chow Tai Fook FY sales +13% to $8.5B, profit +11% to $597M, but 2H growth flat amid trade war uncertainty. Industry mourns the passing of former GIA president Glenn Nord.