CLEAN: Sparkling sale in Switzerland

The video discusses a rare fancy intense pink diamond, classified by the Gemmological Institute of America. This 24-carat diamond is potentially flawless and belongs to the Type 2A subgroup, making it one of the purest diamonds, which constitutes only 2% of the world's gem diamonds. Its rarity and purity make it highly desirable. The diamond has not been on the market for 60 years and was originally purchased at Winston. The speaker shares a personal story of falling in love with the diamond upon first sight.

What does the term 'fancy intense pink' refer to in the context of diamonds?

Describe the history of the fancy intense pink diamond mentioned in the text.