The IDEX Online Polished Price Report – October 2018

(IDEX Online News) – There were relatively few changes in round diamonds in October. There were increases in 0.70-0.79 carat stones in G-I, IF, of 2-3%, and in 0.80-0.89 carat diamonds; G-H, IF-VVS2, of 1-3%; as well as in 1.25-1.49 carats, E-H, IF.

Meanwhile, there were notable decreases in diamonds of 0.40-0.44 carats in D, IF-VS1, of 1-3%; in 2.00-2.99 carat stones, L, VVS1-SI1; of 2-3%, in 3.00-3.99 carat stones, E-G, IF, of 2-3%; and in 5.00-5.99 carat diamonds of 1-5% in G-H, SI3-I3.

Fancy diamonds also saw relatively few changes. There were increases in the 0.30-0.39 carat category, D, IF-VVS1 and SI1-SI2, of 2-3%; of 2-3% in G-I, IF, in 0.70-0.79 carat diamonds; and of 1-3% in the 0.90-0.99-carat range, D-F, IF.

Meanwhile, there were decreases of 1-3% in 0.50-0.69 carat stones, H-I, IF-VS2; of 1-3% in 1.00-1.24 carat stones, H-K, IF-VVS1; of 2-3% in 2.00-2.99 carat stones, J-M, SI1; and of 2-3% in 5.00-5.99 carat stones, D-F, VS1 and L-N, SI1.

The following are some of the changes in this week's IDEX Online Diamond Price Report.

To receive a free copy of the full IDEX Online Diamond Price Report, please email us at prices@idexonline.com.

Rounds

• 0.18-0.22 cts F / SI2 +4%
• 0.23-0.29 cts D-E / I1 +5%
• 0.30-0.39 cts K / VVS2 -3%, D / VVS2 +3%
• 0.40-0.44 cts D / IF-VS1 1-3%, L / VS2-SI1 +3-4%
• 0.45-0.49 cts D / VS1IF 1%, E / IF +2%
• 0.50-0.69 cts H / IF -3%, J-K / IF +2-3%
• 0.70-0.79 cts G-H / VS1 -3%, G-I / IF +2-3%
• 0.80-0.89 cts D-E / SI3 -1-2%, G-H / IF-VVS2 +1-2%
• 0.90-0.99 cts D / SI3-I1 -2%, E / SI1-I2 +1-4%
• 1.00-1.24 cts K-L / VVS2-VS1 -2%, E-F / IF-VVS1 +2-3%
• 1.25-1.49 cts G / VVS2 -3%, E-H / IF +1-3%
• 1.50-1.99 cts D / SI2 -3%, H / SI1 +3%
• 2.00-2.99 cts L / VVS1-SI1 -3%, D-E / VS2-SI2 +1-3%
• 3 cts E-G / IF -2-3%, F-H / VVS1 +2-3%
• 4 cts F / VS1 -3%, H / SI2 +2%
• 5 cts G-H / SI3-I3 -1-5%, H / VS2 +3%

Fancy Cuts

• 0.18-0.22 cts No Changes
• 0.23-0.29 cts D-VVS1 -2%, F / SI1 +4%
• 0.30-0.39 cts F / VVS2-VS1 -2%, D / IF-VVS1 +2-3%
• 0.40-0.44 cts G / IF-VVS1 -3%, E / VVS2 +3%
• 0.45-0.49 cts D / VVS2 -2%, E / SI1+2%
• 0.50-0.69 cts G-I / VVS2-VS2 -1-3%, D-E / SI1-SI2 +3%
• 0.70-0.79 cts G-H / VVS2 -3%, G-I / IF +2-3%
• 0.80-0.89 cts H / SI2 -3%, H / IF-VVS1 +2-3%
• 0.90-0.99 cts G-H / IF-VVS1 -1-3%, D-F / IF +1-3%
• 1.00-1.24 cts H-I / IF-VVS1 -1-3%, K / SI1-SI2 +3%
• 1.25-1.49 cts E / SI1 -1%, D- / VS2 +2-3%
• 1.50-1.99 cts N / IF-VS1 -3%, K / SI1-SI2 +2%
• 2 cts J-M / SI1 -2-3%, D-E / SI1 +2-3%
• 3 cts H / VVS1 -3%, K / SI1 +2%
• 4 cts N / SI1 -2%

• 5 cts L-N / SI1 -2-3%