World's Largest Uncut Vargas Diamond

The video discusses the Vargas diamond, the largest uncut diamond from London, valued at half a million dollars. It also highlights a necklace made from the famous Junker Diamond found in Brazil. Additionally, it mentions three young ladies wearing diamonds valued at two million dollars, with a Junker necklace potentially being outshone by a new treasure. The video concludes with a note from the postman's mailbag.

What is the significance of the Junker Diamond in relation to the text?

What might soon out-sparkle the junker necklace according to the text?