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Change in diamond indices for the previous month
  1. 0.30-0.39 Carat Rounds D-M IF-SI213.75-0.10 (-0.7%) 0.30-0.39 Carat Semi Rounds D-M IF-SI29.760.22 (2.3%) 0.30-0.39 Carat Squares D-M IF-SI28.070.07 (0.9%) 0.50-0.69 Carat Rounds D-M IF-SI220.610.13 (0.6%) 0.50-0.69 Carat Semi Rounds D-M IF-SI215.30-0.21 (-1.4%) 0.50-0.69 Carat Squares D-M IF-SI213.25-0.06 (-0.5%) 0.70-0.89 Carat Rounds D-M IF-SI226.940.44 (1.7%) 0.70-0.89 Carat Semi Rounds D-M IF-SI220.63-0.04 (-0.2%) 0.70-0.89 Carat Squares D-M IF-SI216.84-0.27 (-1.6%) 1.00-1.49 Carat Rounds D-M IF-SI252.340.68 (1.3%) 1.00-1.49 Carat Semi Rounds D-M IF-SI234.961.07 (3.2%) 1.00-1.49 Carat Squares D-M IF-SI226.57-0.72 (-2.6%) 1.50-1.99 Carat Rounds D-M IF-SI266.301.03 (1.6%) 1.50-1.99 Carat Semi Rounds D-M IF-SI251.130.29 (0.6%) 1.50-1.99 Carat Squares D-M IF-SI244.24-0.36 (-0.8%) 2.00-2.99 Carat Rounds D-M IF-SI293.742.18 (2.4%) 2.00-2.99 Carat Semi Rounds D-M IF-SI270.371.60 (2.3%) 2.00-2.99 Carat Squares D-M IF-SI258.831.26 (2.2%) 3.00-3.99 Carat Rounds D-M IF-SI2141.532.97 (2.1%) 3.00-3.99 Carat Semi Rounds D-M IF-SI2106.131.10 (1.0%) 3.00-3.99 Carat Squares D-M IF-SI290.000.27 (0.3%) 5.00-5.99 Carat Rounds D-M IF-SI2231.69-4.70 (-2.0%) 5.00-5.99 Carat Semi Rounds D-M IF-SI2184.16-0.85 (-0.5%) 5.00-5.99 Carat Squares D-M IF-SI2156.090.00 (0.0%) 10.00-14.99 Carat Rounds D-M IF-SI2399.86-0.61 (-0.2%) 10.00-14.99 Carat Semi Rounds D-M IF-SI2340.740.67 (0.2%) 10.00-14.99 Carat Squares D-M IF-SI2341.510.67 (0.2%) 20.00-29.99 Carat Rounds D-M IF-SI2562.770.00 (0.0%) 20.00-29.99 Carat Semi Rounds D-M IF-SI2459.870.00 (0.0%) 20.00-29.99 Carat Squares D-M IF-SI2459.840.00 (0.0%)

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Diamond Portraits: Joseph Asscher

In the history of diamond polishing, the name Asscher is well remembered and respected. A diamond dynasty based out of Amsterdam that gave us the Asscher cut, the royal Asscher cut, as well as the Royal Asscher Company, which is active to this day. The first name, Joseph, is also closely associated with Asscher. There we several of them. The first was Joseph Isaac Asscher, who founded the company in 1854.

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