11 Facts to Know Before Buying an Engagement Ring
1. Manufacturers are required to label gold according to its purity, Karat is an old standard that divides into 24 […]
secrets of the gem trade
JOG Review: Secrets Of The Gem Trade (2nd Edition)
Secrets of the Gem Trade, 2nd edn.By Richard W. Wise, 2016. Brunswick House Press, Lenox, Massachusetts, USA, 404 pages, illus.,