ONTARIO, CANADA, March 31, 2022 /EINPresswire.com / -- The diamond classification system is based on the diamond types. In order to discuss diamond types, it is essential to understand what diamonds ...
Causeway Bay, HK - May 22, 2026 - PRESSADVANTAGE - Ginza Diamond Shiraishi Hong Kong has released an announcement ...
Diamonds come in a range of colours from faint yellow or brown, through to very rare pinks, blues, greens and other colours known as fancies. The best colour for a diamond is no colour, i.e. a diamond ...
MUMBAI: In a move poised to reshape the global gem trade, the Gemological Institute of America (GIA) has announced it will no longer apply the 4Cs grading system-cut, colour, clarity, and carat weight ...
The Gemological Institute of America (GIA) will discontinue applying the 4Cs grading system to lab-grown diamonds, opting for simplified descriptors like 'premium' or 'standard'. This move ...