CANADA ROCKS: Like so many luxury products right now, diamonds — natural and lab-grown — are having a hard time. The prices ...

Sorting a natural example from one produced in a lab is not always ... It is thought that the colour in red and pink diamonds is caused by a change in the structure of the crystal called plastic ...

Pink diamonds are usually associated with the Argyle mine in northwestern Australia, which produces an estimated 90% of the world's natural pink diamonds. However, they've also been found in ...

Natural colored diamonds come in a stunning spectrum, from soft pinks and brilliant yellows to enchanting blues and fiery oranges. The color of a diamond tells the story of its formation, and each ...

A rare pink diamond has sold for HK$453.2 million (US$57.7 million) in Hong Kong, setting a record for price per carat paid at auction for any diamond or gemstone, according to Sotheby’s auction ...