Yes, I seen the video, twice. I still think Adam did it for personal gain. If he did away the ad in his Youtube, I may think differently.
There is a Chinese saying 十步笑百步
, which is very similar to the American saying pot is saying kettle black
Regarding the fertilized egg, it takes two to tangle. Yes, the diamond supplier is guilty of jacking up the price by artificially inflated the price of the diamond, you still don't have to buy it or buy the idea of Diamond are forever.