CLEAN : 8.72-carat vivid pink diamond up for auction in Geneva

The video discusses the vivid pink diamond, highlighting its status as the highest grading for pink diamonds and its rarity due to its size and shape. It delves into the diamond's historical significance, mentioning past owners like Huguette Clark and possibly Princess Mathilde Bonaparte. The video also covers the market value of such diamonds, referencing a recent sale in Hong Kong and estimating the current stone's value between $14 and $18 million, noting significant interest in it.

What shape is the largest fancy vivid pink diamond described in the text?

What is the significance of the historical time zone mentioned in relation to the diamond?