How much is golden jubilee coin worth?

The Golden Jubilee Diamond is part of the Royal Crown Jewels located in the Royal Thai Palace in Thailand.

It's trail of exchanges include at least one purchase -- by DeBeers -- for an undisclosed sum. It's provenance also includes many gifts of the diamond to others.

Since it is so large and so rare, you could say that this diamond -- like many others in this class of diamonds -- is priceless.

You can read more about it, below.