This Extremely Rare 10-Carat Blue Diamond Could Fetch $20 Million at Auction
The extremely rare, 10-carat Mediterranean Blue diamond could fetch a whopping $20 million at Sotheby's High Jewelry auction ...
Nature4y
Synthetic diamond – secret facets for endless possibilities
It also enables precision ‘doping’ with elements such as boron (in blue diamonds) for electrochemical applications, or nitrogen-vacancy (NV) in pink diamonds for quantum technology.
Hackaday5y
A Quick And Easy Recipe For Synthetic Rubies
With what it takes to make synthetic diamonds – the crushing pressures ... Where sapphire gets its blue tint mainly from iron, rubies get their pink to blood-red hue from chromium.