
Winning the Trifecta
The Art of Building An Argyle Collection... How to Win an Argyle Stone Every year for the Argyle diamond tender, a private invitation was sent out to 150 diamond ateliers around the world to go to one of the 2-3 exclusive locations around the world, where the tender stones were viewed. Then, they are given an hour each to examine the pink, red, violet, blue and grey stones and put to in a closed bid. (In 2020, due to the pandemic, the bids moved online for the first time.)