Fancy blue diamonds out performed other major color categories in price terms during the first quarter, the Fancy Color Research Foundation said.
Prices for fancy blues jumped 5% year on year for the three months ending March 31, according to the FCRF, which released its quarterly Fancy Color Diamond Index on Monday.
By contrast, prices of fancy pink diamonds declined 1.7%, while the index for yellows slipped 0.6%, the organization said. The overall index for fancy color diamonds edged up 0.1%.
Vivid blues and vivid pinks weighing 2 carats showed the best performance in their respective color categories during the quarter.
The Fancy Color Diamond Index tracks prices of fancy yellow, pink and blue diamonds in Hong Kong, New York and Tel Aviv.