What VS1 clarity, E color gem is worth north of $70 million? Simple. The all-diamond ring laser-cut by Shawish Geneva from a 150 carat Brazilian diamond.

Shawish unveiled the startling ring at the prestigious 2012 Baselworld Watch and Jewelry show in March 2012, almost a year after the bold Swiss jewelers copyrighted the all-diamond ring. Between securing the copyright and showing the unique ...