The IDEX polished diamond price index, published by IDEX Online, remained stable in June with only some slight rises and decreases. The Index began the month at 124.90 and ended at 125.49.
Small round stones of 0.5-carat and less saw a small number of changes. According to IDEX Online, “there were decreases of 1-3% in diamonds of 0.90-0.99 carats, I-J, IF-VVS1, and also in 4.00-4.99 carats, D-F, VS2, while 5.00-5.99 carat stones, F-H, VS2, saw declines of 1-3%”. Increases of 3% were noticeable in diamonds of 3.00-3.99 carats, G-I, VVS2-VS1.
Fancy diamonds saw changes in the smallest categories: There were decreases of 2-6% in stones of 0.30 to 0.39 carats, F-I, VVS2-SI1; and declines of 2-4% in 0.90-0.99 carat diamonds, H-J, SI3-I1. There were increases in the 1.50-1.99 carat category, L-M , IF-VS1 of 2-3%; and in 4.00-4.99 carat diamonds, D, IF-VS2 and I1-I2 clarities.
