The Golconda Blue, a 23.24-carat vivid blue diamond with royal Indian heritage, will be auctioned by Christie's in Geneva on May 14. Estimated at $35-$50 million, it once belonged to the Maharajas of Indore and Baroda. Its journey includes ownership by Harry Winston and features in a Maharani's portrait. This exceptionally rare diamond's auction is a significant event for Indian audiences.
