CLEAN : FILE Raj Pink diamond to be sold by Sotheby's

The video discusses an upcoming auction featuring a rare pink diamond, the largest of its kind ever graded by the Gemmological Institute of America. Weighing 37.3 carats, this diamond is extremely rare due to its intense pink color. The estimated value is between $20 and $30 million, but its unique nature makes it difficult to appraise accurately. The final price will depend on how much potential buyers desire to own such a unique piece.

What is the significance of the pink diamond mentioned in the text?

How much does the pink diamond weigh?

Why is the pink diamond considered extremely rare?

What is the estimated value range of the pink diamond?

What challenges are mentioned regarding the estimation of the diamond's value?