"Open the door and see."
At the time, the prices of the stones were rising non-stop during the public auction. There had been a number of stones that were sold for billions, but because this was just a market trade and not a public auction, everyone was taking this very seriously. Whether it concerned the buyer, the seller, or the management team, the stones were the axis around which all revolved. There were even experienced professionals there to provide guidance.
Ultimately, it seemed that the jade was encased in the rock. There was no way anyone could gather as much, so this required for a part of the rock to be cut off for further inspection. The grinding machine shortly did that. Pushing that bit aside, the green color of the rock was immediately visible. Someone rinsed the dust off with a jet of water and a luminous green appeared.