IDEX Online Research: Polished Prices Rise 1.9% in April, Index Breaks Record

Polished diamond prices rose by about 1.6% during the month of April, according to the IDEX Online Polished Diamond Index. The average price of polished diamonds increased by 1.9% in April compared to March, bringing the Index to 130.6 after it reached a record 131.5 on April 19. Half carat diamonds were the star performe