Idex : Diamonds below 0.9 carats saw the majority of changes in the better colors and medium to better clarities, with prices dropping up to 4 percent.
· 0.18-0.22 cts D-F / VVS1+ down 2-3% and D-F / SI2 up 4% · 0.23-0.29 cts F / VVS1 down 2% and I-J VVS2 down 3% · 0.30-0.39 cts prices down 2-4% in a number of the better colors and clarities · 0.40-0.44 cts downward changes including D-F / VS1+ down 1.5-4% · 0.45-0.49 cts changes including I / VVS1+ down 2-4% · 0.50-0.69 cts many negative changes, of 1-4% in the D-I / SI2 range · 0.70-0.79 cts many negative changes including E-K / VVS2+ down 2.5-4% · 0.80-0.89 cts some negative changes including D / VVS2-VS2 down 1-3% · 0.90-0.99 cts G / VS2-SI2 down 2-3% and K / VVS1-VS1 up 3% · 1.00-1.24 cts D and G-H / I1 down 2-4% · 1.25-1.49 cts a few changes including I / SI3-I1 down 2-3% and L-M / I1 up 4% · 1.50-1.99 cts changes including K / VS2-SI2 down 2-4% and L-N / I1 up 4-5% · 2 cts a few changes including K / VS1-SI1 down 2-3% · 3 cts no change · 4 cts D / VVS2 and F / SI2 down 3% · 5 cts no change Fancy Cuts · 0.18-0.22 cts no change · 0.23-0.29 cts no change · 0.30-0.39 cts no change · 0.40-0.44 cts H-I / VVS2 up 2.5-3% and J / SI1 up 4.5% · 0.45-0.49 cts some positive changes including D / VVS1 and I2 up 3-4% · 0.50-0.69 cts positive changes including J / VVS1-2 and VS2 up 2-2.5% · 0.70-0.79 cts H and J / SI1 up 1.5-2% and D / SI3 up 3% · 0.80-0.89 cts I / VVS1 up 3% and K-M / VS1 up 2-3% · 0.90-0.99 cts I / VVS1-VVS2 and SI1 up 2-4% and F-H / SI2 up 2% · 1.00-1.24 cts a few positive changes including G / VVS1 up 2% · 1.25-1.49 cts K / I1 up 4% · 1.50-1.99 cts a few positive changes including I and M / VS1 up 3% · 2 cts no change · 3 cts E / IF down 3% · 4 cts no change · 5 cts no change