A stone's origin can dramatically influence its value:

  • Burma (ruby, spinel) → legendary
  • Mogok → top quality
  • Kashmir (sapphire) → historic prestige source
  • Ceylon (sapphire) → bright, coveted hues
  • Vietnam (cobalt spinel) → ultra-rare colors
  • Tanzania (Mahenge, vivid pink) → new market icons

Rarity arises from:

  • depleted mines
  • political instability
  • low annual production
  • geological uniqueness

A "Burma vivid red spinel" is not just a gemstone –
it is a piece of geological history.