Gem Cutting
Gem cutting is a very difficult, yet very profitable profession. ... Before the first cut is even planned, the gem cutter needs to have the right gem. ... Good coloring is a big factor in gem selection. Transparency, clarity, and a high carat or weight of the gem, are also important to the ultimate value of the gem. The tesselation and faceting are the two areas where the gem cutter’s expertise really becomes crucial. The tessellation is used in gem cutting when insuring that each side fit perfectly with the other sides around it, and tessellate to cover the entire gem. They key to gem cutting is to make a gem catch as much light as it can, and thus sparkle more than it did before being cut. The right gem needs to have a several qualities.