Remember my recent post about the incredibly rare 102-carat, D, flawless, type IIa oval-cut diamond Sotheby’s was selling without reserve?...

Have you ever wondered what the size of a 271-carat rough diamond crystal looks like?  Well, it’s big, as in the size of a small fist. This rough, discovered in 2018 at the Victor Mine in Ontario, is the largest diamond of its kind discovered in North America....