Green Matters on MSN5mon
If Diamonds Aren’t That Rare, Why Do They Cost so Much? An Investigation
Diamond mines can be kilometers deep, requiring heavy machinery and skilled labor. Environmental regulations and ethical ...
Business Insider2y
Why pearls, black opal, and chocolate diamonds are so expensive
Black opal costs from $1,000 a carat to tens of thousands ... In the '80s and '90s, gem-quality brown diamonds were worth about $1,500 per carat, but now many sell for up to $10,000 per carat.
Black Diamond's 'Super Bright' Headlamp That's 'Easy To Use' Is an Ultra-Rare 40% Off Right Now
Big deals are mounting at outdoor gear retailers like REI, Backcountry, and even Amazon as Black Friday looms closer, but one ...
BBC2y
The Enigma: Mysterious black diamond up for auction
The 555.55 carat black diamond has belonged to its current owner for two decades but little is known about its history before that. A billion-year-old black diamond, believed to be the largest cut ...