Until recently, only emerald, ruby and sapphire were officially called precious gems. Everything else was called semi-precious. The precious categorization is a reference to value: a really fine ruby, ...

A recent report published by Africa-focused Gemfields (LON: GEM) (JSE: GML) rings the alarm bell on the lack of reliability of data related to the international supply and trade of emeralds and rubies ...

When you purchase through links on our site, we may earn commission. Read our full commerce guidelines here. Ruby, ruby, ruby! Symbolising passion, love and courage, there's no better gemstone to ...