This is a video sent by a dealer trying to sell me this faceting rough.
Take a close look and see if you think it's a good investment.
Then, go watch a slowed-down and stop-action video where I point out many of the issues with the rough.
After that, re-watch this video to spot the features at full speed.
Finally, practice this search on some of your own rough.
Here's the second video:
https://youtu.be/QjEph2mbTBk