Coloured diamonds are achieved through various ways – natural or artificial methods. The colour can be traced to elements existing in the stones, like nitrogen (yellow), radiation (green) etc. giving it a fancy appearance. These colour changes are usually permanent, but could be impacted if high heat is used during setting repairs. Since coloured diamonds are becoming increasingly popular gemologists have come up
Gemology is a field of study in the jewellery industry that refers to the features and properties of gemstones in identifying the genuine and separating it from the synthetics and imitations. Pearls, coral etc. are also included under Gemology. Though it started out as a branch of mineralogy it has since become a science of its own. A person who works in the field of