In 1983, the Argyle mine was established as the first major diamond-mining operation in Australia. Almost immediately ... also noted for the production of a very limited amount of rare pink diamonds.

A rough pink diamond, believed to be the largest of its kind found in the past 300 years, has been discovered in a mine site in southwest African country Angola. The rare 170 carat gemstone, dubbed ...

And it was a unique design—while recent engagement ring trends focused on vertical oval and marquise diamonds ... in an age where symmetrical round or north-south arrangements are the most ...