Which companies offer color enhancement for gemstones?

Gemstone enhancement is largely a cottage industry. Though there are a few large companies, which may offer such services, but most of the work is actually done by small family-owned businesses located next to gemstone mining areas or at the gemstone trade centers, such as Sri Lanka or Chanthaburi in Thailand. read more

Colored gemstones are formed during the crystallization process when foreign particulates get trapped and effect the chemical process as well as well as being coloured by impurities or trace elements in their crystal structure. read more

Although some gemstone enhancements are commonplace, the gem-buying public remains relatively unaware of these practices. However, this age of information and disclosure is bringing changes. Some in the gem industry feel too much information will confuse customers and hurt sales. read more