Diamonds certified by reputed laboratories have unwound the deep-seated conventional Indian system that went bulls and bears over the clout of a johari. Today, at least 85 to 90% of the consumers demand a grading certificate on every purchase of a diamond.
Sithole opens a Gemmological laboratory and Lapidary Center in Afghanistan – Zimbabwe Situation zimbabwesituation.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from zimbabwesituation.com Daily Mail and Mail on Sunday newspapers.