Gemstone Value: Price Per Carat for Precious Gems and ...
· · Gemstone Price per Carat. Most gemstones are priced according to their weight, which is given in 'carat'. The exceptions are some gemstone carvings and gemstone cabochons, as well as gemstone beads which are sometimes sold by the piece rather than by the carat, since the work required to produce them exceeds the cost of the material. For the vast majority of gemstones, .