What next after Laizer sells biggest Tanzanite gemstones in history worth Sh7.7billion?

What you need to know:

  • Until yesterday, the world’s largest rough tanzanite find at Mererani was a 3.38 kilogramme (16,838 carats) stone mined in 2005.
  • Saniniu Laizer plans to build a school and shopping mall near his home in Tanzania, but will hold a big feast first