We've looked at pearls; now it's time for diamonds. Let's do this.
In the center of tectonic plates are places that remain still and stable as thinner edges of the earth’s crust stretch and swirl around them. These places are called cratons, and they extend hundreds of miles below the surface, ancient bedrock as reliable as Atlas, pushing into the dense mantle that surrounds the core. If you were a mole person, capable of tunneling about 100 miles down into one of these cratons, and you lived sometime between 1 billion and 3.3 billion years ago, you might notice that the temperature and the pressure was just [...]
That is the most logical conclusion I can draw from this BBC story, in which the top photo functions, I assume, as a very important clue.
Her main account would be De Beers. For the next 25 years, she wrote all of the company’s ads.
An abridged version of how they tricked us into buying so many diamonds. (I guess this comes up every six months or so around here.)
Somewhat relatedly: Tiffany & Co. has a Tumblr. ("A rare green diamond emerges from tiered white diamonds like a cool summer breeze.")
Wow. Okay, here goes: this is a modified cushion-cut 9-carat fancy vivid purplish-pink diamond, set in platinum with single-cut diamond prongs, gallery, and shoulders. The color is natural, and the stone is GIA-certified to be a Type IIa, which (as you’ll remember from my past ravings about Golconda diamonds) means it's the most chemically pure and transparent form of diamond. The Type IIa designation is common to famous stones such as the Cullinan I (a.k.a. the Great Star of Africa) and the Koh-i-noor, both of which are part of the British Crown Jewels.
The ring dates to 1910 and was made by Dreicer & Co., which, for a [...]