CLEAN : Record auctions bring sparkle to diamond market

The video discusses highlights from an auction, focusing on the Blue Moon Diamond and a Ruby and Diamond ring. The Blue Moon Diamond, valued at $35-55 million, is a rare 12.03-carat gem from South Africa. The Ruby and Diamond ring, once owned by Queen Mary Jose of Italy, features an 8.48-carat Burmese Ruby. Both pieces are noted for their rarity and historical significance.

What makes the Blue Moon Diamond unique compared to other diamonds?

Who was the Ruby and Diamond ring presented to, and when?