A faceting machine is broadly defined as any device that allows the user to place and polish facets onto a mineral specimen. Machines can range in sophistication from primitive jamb-peg machines to highly refined, and highly expensive, commercially available machines.

How much does a faceting machine cost?

The machine costs around $10,000 used (including accessories and laps) and isn't available anymore. It's also incredibly heavy and uses its own special laps and dops, which are also incredibly heavy. Now for the Pros: this is the best faceting machine ever made.

How does gem faceting work?

Faceting methodology consists of (A) cutting appropriate angles on the top and bottom of a gem crystal, because (B) the faceting machine forms a right triangle that controls the stone's angle on the abrasive disk, and (3) a faceter to hold the stone against the turning lap wheel and monitor progress in cutting the “ ...