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TreewellMagnetBest way is to check each manufacturer's website. Weights vary a lot even amongst individual manufacturers. I think it is pretty reasonable to have skis from 1900 to 250 grams per ski. The kartels 108 for example is around 2300 grams for the 186 cm version, while the line mordecai is around 2200 grams for the same size.
Are you aiming for something lighter for any specific reason?