There was a time when a moral, brave, and industrious people could become a powerful nation independant of climate and natural resources ... Coals then, are the real diamonds ol our country.

Only known to exist in Brazil and the Central African Republic, “carbonado” black diamonds date from around 2.6 to 3.8 billion years ago and are an extremely rare natural occurrence.

One factor is whether it's natural or cultured ... features bright red stone against a very black base. In the '80s and '90s, gem-quality brown diamonds were worth about $1,500 per carat, but ...

While Gabrielle Union shined bright in a glitzy set from Carolina Herrera and in an epic natural diamond Tiffany & Co. necklace featuring a 33-carat aquamarine pendant at the centre, her husband ...