250 or less ct/lb. (552 or less ct/kg)
251-300 ct/lb. (553-662 ct/kg)
301-350 ct/lb. (663-772 ct/kg)
351-450 ct/lb. (773-992 ct/kg.)
451-550 ct/lb. (993-1212 ct/kg.)
(9/16”-7/16” / 14.28mm-11.11mm)
(7/16"-3/8")/(11.11mm-8.03mm)
(1/4"-3/16”) / (6.35mm - 4.76mm)
(3/16”-1/8”) / (4.76mm - 3.17mm)
