HOW TO BUY QUALITY DIAMOND FOR ENJOYMENT AND INVESTMENT How to judge color, cut (proportion and finishing) and clarity, including using diamond price report. A must for layperson to know before purchasing diamond that will save you from costly mistakes Speaker : Mahardi Paramita dan Sumarni Paramita

Update 05/05: Latest treatment process used to enhance or alter diamond color using high pressure and temperature, making them more attractive and easier to sell.