Hi Nitin!

The chart below shows the current demand for diamonds.
ROUGH PER CARAT (AVG STONE) SIZE PER STONE POLISHED DEMAND
+5-3 20 / CT 0.05 pointers -6 (Stars)
+5-11 8 / CT 0.12 pointers +6 1/2 -11 (malles)
+11 (2GRS) 2 / CT 0.50 pointers +11-22
3 GRS 1.35 / CT 0.75 pointers +23-29
3-6 GRS 1.00 / CT 1.00 pointers +30-69 (Dossier+Certificate)
2-4 CTS 2.75 CTS 2.75 pointers +0.70cts - 2cts (Certificate)
5-10 CTS 6.25 CTS 6.25 pointers 2cts - 5cts (Certificate)
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