NDARUGO STONE SUPPLIERS IN KENYA. We are a registered and professional building material suppliers firm of Ndarugo Quarry owners and Transporters with a mandate to Professionally and Independently market and sell machine cut building stones from our quarries. We are loed in Ndarugo valley Juja town about 40kms from Nairobi CIty.
Gem Price Guide. The IGS Gem Price Guide covers commonly traded colored gems as well as more unusual, collectible gems. Prices are retail in US dollars. Unless otherwise noted, all prices are for cut gems and all weights are in carats. Learn How .