Synthetic cubic zirconia (CZ) – Numerous gems have been used as diamond imitations throughout history, but synthetic CZ has surpassed them all in popularity. Introduced in the late 1970s, CZ is made ...
It’s been 15 years since the global effort to ban conflict diamonds began ... human-rights abuses and fair labor practices. They’ve made little progress. (One reason: any changes to the ...
It also stays airborne longer without clumping together which is essential in reducing heat retention effects. Projected Cooling Impact: In a study, scientists predicted that releasing around 5 ...
The Diamond and Diamond Grading eLearning course brings to life the skills needed to grade the color, clarity and cut of diamonds through video, graphics, images and text.