For there is nothing surer, Life will purge challenges that you can't anticipate so build that suit of armour to survive whatever battles lay on top.
But in fact, the largest polished diamond cut from Cullinan could be the Cullinan 1, weighing "only" 530.2 carats or 106 gram.

The Feds Seized $1 Billion in Stolen Silk Road Bitcoins

A hacker identified only as Individual X had been sitting on a cryptocurrency gold mine for seven years prior to the IRS came knocking.