(IDEX Online News) - Round diamonds saw relatively few changes in August. There were increases in 0.23-0.29 carat stones in E-I, VS2 of 2-3%, and in diamonds of 0.80-0.89 carats, D, VVS1-VS1, and I, SI1-SI3.
There were notable decreases in diamonds of 0.30-0.39 carats, D, I-F, VVS2, of 2-3%, and in several categories of 0.40-0.44 carat stones, 0.90-0.99 carats, M-N, IF-VVS1, of 3-4%, and especially in 2.00-2.99 carat diamonds of 2-3% in G-J, SI1+, as well as in a range of stones of 3.00 to 3.99 carats.
Fancy diamonds also saw relatively few changes. There were some increases in the 0.70-0.79 carat category, F-I, VVS2-VS2 of 2-3%, and of 2-3% in I-J, IF-VVS1, in 0.90-0.99 carat diamonds, and a range of increases in the 3.00-3.99-carat range.
Meanwhile, there were decreases of 2-3% in 0.30 to 0.39 carat stones in the D-H, VVS1-SI2 range; declines of 2-3% in 0.40-0.44 carat diamonds, E-F, IF-VS2; decreases of 2-3% in 0.70 to 0.79 carat stones, D-I, IF-VVS1; in some categories of 1.00-1.24 carat diamonds; in 1.50-1.99 carat stones, K-L, IF-VVS1; and 2.00-2.99 carat stones, G-J, IF.
The following are some of the changes in this week's IDEX Online Diamond Price Report.
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Rounds
0.18-0.22 cts G / SI1 -4%, I / VS1 +4% 0.23-0.29 cts E / IF-VVS1 -2%, E-I / VS2 +2-3% 0.30-0.39 cts D / IF-VVS2 -2-3%, J / I1 +6% 0.40-0.44 cts F-H / VS2 -2%, L / VS2 / SI1 +3-4% 0.45-0.49 cts D-F / SI2 2%, E / IF +2% 0.50-0.69 cts E-G / VVS2 -2-3%, M-N / VS1-VS2 +2-3% 0.70-0.79 cts F-G / IF-VVS2 -1-3%, G-H / SI2 +1-3% 0.80-0.89 cts H / VVS2 -3%, D / VVS1-VS1 +3% 0.90-0.99 cts M-N / IF-VVS1 -3-4%, G / VS2-SI1 +3% 1.00-1.24 cts E-G / VVS1 -2-3%, E / I1 +2% 1.25-1.49 cts G-H / IF -1-2%, S / SI1-SI2 +1-2% 1.50-1.99 cts J / VVS1-VVS2 -2%, D-E / VS1-VS2 +2-3% 2.00-2.99 cts G-J / VVS1-SI1 -2-3%, L / IF-SI1 +4% 3 cts D-E / VS1-VS2 -3-5%, J-L / VVS2-VS1 +2-3% 4 cts D-F / VS2-SI1 -2-3%, I-J / VS2 +3% 5 cts I / VS1 -3%, K / VVS2 +3%
Fancy Cuts
0.18-0.22 cts D / VS2-SI1 -4% 0.23-0.29 cts F-SI1 / -4%, G / VS2 +3% 0.30-0.39 cts H / VVS2-SI1 -3%, F / I1 +4% 0.40-0.44 cts E / IF-VS2 -2-3%, N / VVS2 +5% 0.45-0.49 cts F-G / VVS2 -2-3%, H / SI1+3% 0.50-0.69 cts H / VVS2-VS2 -1-3%, H / SI1 +4% 0.70-0.79 cts D-I / VVS1 -1-3%, F / VS2-SI1 +2-3% 0.80-0.89 cts D / SI3-I1 -2%, I / SI1 +3% 0.90-0.99 cts D / VS2 -3%, I-J / IF-VVS1 +2-3% 1.00-1.24 cts H-J / I1 -3%, H / I2 +5% 1.25-1.49 cts D-E / SI2 -1-3%, I / SI1 +4% 1.50-1.99 cts K-L / IF-VVS1 -1-3%, G / VS1 +3% 2 cts G-J / IF -1-5%, L-M / SI1 +2% 3 cts G / VVS1 -2%, K / SI1-SI3 +2-3% 4 cts D / I1-I2 -2%, G / VS1 +3% 5 cts E-F / VS1 -3%