The veteran hedge fund executive is shaking up the investment world, creating a unique new asset class ... by Cartier from the 1930s or I own this pink diamond from the Argyle Diamond Mine ...

In addition to hardness, diamond has other unique properties ... or nitrogen-vacancy (NV) in pink diamonds for quantum technology. CVD diamonds have already unlocked applications in high power ...

Here’s a look at some of the most expensive rings in the world, their unique features, and the stories behind them. 1. The Pink Star Diamond Ring – $71.2 Million The Pink Star diamond ring is ...