The IDEX Online Polished Price Report – July 2018

(IDEX Online News) – Round diamonds saw a relatively large number of increases, particularly in 0.40-0.44 carat stones in D-K, IF-VVS2 of 2-3%, and in diamonds of 1.00-1.24 carats, E-G, VVS1-VS1, a range of colors and clarities in 2.00-2.99 carat stones, and in 5.00-5.99 carat diamonds F-H, SI3-I3 of 1-5%.

There were notable decreases in diamonds of 0.23-0.29 carats, E-I, VS2, of 2-3%, and in 0.80-0.89 carat stones, D, VVS1-SI2, of 2-3%.

Fancy diamonds saw relatively few changes. There were increases in the 0.30-0.39 carat category, D-I, VVS2-SI2 of 2-7%, and in 0.50-0.69 carat diamonds, E-K, VS1-VS2. Diamonds in the 1.00-1.24-carat range, D-H, VS1-SI1, saw increases of 1-3%.

Meanwhile, there were decreases of 2-3% in stones of 0.70 to 0.79 carats, E-G, SI1; and declines of 1-3% in 1.00-1.24 carat diamonds, F-I, IF-VVS1.

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 E / SI2 -4%, G / SI1 +4%
• 0.23-0.29 cts E-I / VS2 -2-3%, E / IF-VVS1 +2%
• 0.30-0.39 cts J / I1 -5%, K / VVS2-VS1 +3%
• 0.40-0.44 cts G / VVS2-VS1 +2-3%
• 0.45-0.49 cts F-G / I1-I2 3-4%, L / IF +2%
• 0.50-0.69 cts M-N / VS1-VS2 -2-3%, E-G / VVS2 +2-3%
• 0.70-0.79 cts E / VS1-VS2 -2-3%, F-G / IF +1-3%
• 0.80-0.89 cts D / VVS1-SI2 -2-3%, F-G / I3 +4%
• 0.90-0.99 cts K-L / IF-VVS1 -2-3%, G / IF-VVS2 +2-3%
• 1.00-1.24 cts F-G / IF -2-6%, E-G / VVS1-VS1 +1-3%
• 1.25-1.49 cts E-F / IF -2%, E / VVS1-VVS2 +3%
• 1.50-1.99 cts D / SI2 -3%, F-H / VVS1 +2-3%
• 2.00-2.99 cts G / I1 -3%, H-J / IF-SI1 +1-3%
• 3 cts L / VVS1-VS1 -3%, D-E / VS1-VS2 +3-5%
• 4 cts I-K / VS2 -3%, D / VS2-SI1 +3%
• 5 cts K / SI1 -2%, F-H / SI3-I3 +1-5%

Fancy Cuts

• 0.18-0.22 cts F / IF +4%
• 0.23-0.29 cts D-VVS2 / -2%, D / SI2 +4%
• 0.30-0.39 cts G / IF -2%, D-I / VVS2-SI2 +2-7%
• 0.40-0.44 cts L / VS2 -5%, E / IF-SI2 +2-3%
• 0.45-0.49 cts D-G / VVS2 +2-3%
• 0.50-0.69 cts E-F / IF -3-4%, E-K / VS1-VS2 +1-4%
• 0.70-0.79 cts G-H / SI1-SI2 -2-3%, D-I / VVS1 +1-3%
• 0.80-0.89 cts I / SI1 -3%, J / VS1 +3%
• 0.90-0.99 cts J / IF-VVS2 -2%, H / IF-VVS1 +1-3%
• 1.00-1.24 cts G-I / IF-VVS1 -1-3%, D-H / VS1-SI1 +1-3%
• 1.25-1.49 cts H-I / SI1 -3%, E / VVS2-VS1 +1-2%
• 1.50-1.99 cts N / VVS1 -3%, H-J / IF-SI1 +2-3%
• 2 cts G-H / VVS2 -2-3%, H-K / SI1 +2-3%
• 3 cts G / VS1 -2%, H-I / VVS2 +3%
• 4 cts G / VS1 -3%

• 5 cts G / IF -3%, E-F / VS1-VS2 +3%