(IDEX Online News) - Round diamonds saw more rising prices in May than decliners in most categories from 0.18-0.22 carats to 1.00-1.24 carats, while larger diamonds of 4.00-4.99 carats to 5.00-5.99 carats saw few price changes. Risers were particularly prominent in 0.18-0.22 carat stones in G-I, I1-SI2 which were up 4-5%; 0.23-0.29 carats in J-K, VVS1-SI2 were up 4-10%; and 1.00-1.24 carat diamonds in D-L, VVS1-SI3 were up 2-3%. There were declines of 1-3% in the 1.50-1.99 carat category of F-G, IF-VVS2; and of 2-3% in the 3.00-3.99 carat category, D-L, VVS1-SI1.
Fancy diamonds also saw a large number of rising prices, particularly in diamonds of 0.30-0.39, 0.70-0.79 and 1.00-1.24 carats. The 0.30-0.39 category saw rises of 2-4% in D-J, VVS1-S12, while the 0.70-0.79 carat category saw a range of increases in D-I, IF-S13 from 2-6%. Meanwhile, there were some decreases in the 1.25-1.49 carat to 3.00-3.99 carat categories.
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 D / VVS2 -2%, G-I / SI1-SI2 +4-5% 0.23-0.29 cts E-F / VS2-SI2 -2-3%, J-K / VVS1-SI2 +4-10% 0.30-0.39 cts D / VVS1 -3%, H-K/ IF-SI1 +2-4% 0.40-0.44 cts K-L / VVS2-SI1 -3-4%, D / VVS1-VS1 +2-3% 0.45-0.49 cts E / IF-VVS1 1-2%, D / VSI +3% 0.50-0.69 cts G-J / VVS1-VVS2 -2-4%, E-H / IF +1-3% 0.70-0.79 cts H / VVS2 -3%, E-G / IF-VS2 +1-3% 0.80-0.89 cts J-K / VS1 3%, G-H / VVS1 +2-3% 0.90-0.99 cts G-H / IF-VVS2 -2-3%, I-L / IF-VVS1 +1-3% 1.00-1.24 cts H / IF -3%, D-L / IF-SI3 +1-3% 1.25-1.49 cts D-E / IF-SI2 -1-3%, H / SI2 +3% 1.50-1.99 cts F-G / IF-VS2 -1-3%, D-G / SI2 +1-3% 2.00-2.99 cts L-N / VVS1-SI3 1-3%, F-I / SI2 +1-3% 3 cts D-M / VVS1-SI1 2-3% 4 cts H-J/ VS1-SI1 -2-3% 5 cts D-I / SI1 -3%
Fancy Cuts
0.18-0.22 cts H / VS1 +6% 0.23-0.29 cts D-E / VVS2 -2% 0.30-0.39 cts G / SI2 -3%, D-J / VVS1-SI1 +2-4% 0.40-0.44 cts N / VVS2 -5%, D-H / VVS2-SI1 +2-3% 0.45-0.49 cts D / VVS2 -3%, J / SI1 +3% 0.50-0.69 cts I-J / SI2 -2%, D-G / IF-SI2 +1-7% 0.70-0.79 cts H / IF -3%, D-I / IF-SI3 +1-6% 0.80-0.89 cts D-G / I2 -2%, D-1 / VVS2-SI2 +2-3% 0.90-0.99 cts E / VVS1-VS2 -2-3%, E-G / IF+2-3% 1.00-1.24 cts D-G / IF-VVS2 -1-3%, D-K / SI2 +2-4% 1.25-1.49 cts D-E / VVS1-SI2 -1-3%, H / VVS1 +2% 1.50-1.99 cts G-N / IF -2-3%, F-L / SI1-SI2 +1-3% 2 cts D-F / VS2-SI1 -1-3%, G-H / IF-VS1 +1-4% 3 cts D-K / VVS1-SI1 -2-3%, I / VVS1 +3% 4 cts D-E / IF-VS2 -3% 5 cts H / VVS2 -3%, M / I2 +5%