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Stone Size Chart

to carat conversion:   (approx.)

 

       One carat has 100 points

           Round sapphires

2mm     -   0.038 points

3mm     -   0.133 points

3.5 mm  -  one fifth carat

4 mm     -  one third carat

5 mm     -  three fouths carat

6 mm     -  one carat