Diamond mined in India 300 years ago auctioned for â¹45 crore
A rare pear-shaped blue diamond, which was mined from the Golconda mines in India over 300 years ago, has been auctioned for $6.7 million (â¹45 crore) in Switzerland. The Farnese Blue diamond was first presented to Spanish Queen Elisabeth Farnese by her husband King Philip V. It was later passed down through royal families in Spain, Italy, Austria and France.