text: The following are synthetic gemstones that were developed by Tairus scientists; they are alternately referred to as Tairus stones (e.g. "Tairus Ruby").
  *Floating zone ruby, synthesized in 1991 (no longer in production)
  *Hydrothermal ruby, synthesized in 1992 by Alexander Dokukin.
  *Hydrothermal aquamarine, synthesized in 1993.
  *Hydrothermal sapphires, in pink, green, orange, and blue.
  *Colombian color emerald, developed in 2004.