Swiss made Diamond grip Tweezers Tweezers are one of the mainstays of a beauty and skin care regimen. Many women shop for eyebrow tweezers. But why would you need “diamond-grip” tweezers? Dull tweezers don’t grip the tiny hairs often being pulled. Dumont diamond grip tweezers, are jewelry grade tweezers with precision ground serrations along each tip, for extra non-slip control. Dumont tweezers are most effective because they are manufactured to firmly grip actual diamonds and other precious stones by jewelers who require the steadiest of hands and the finest of tools.