BBC1y
Christie's sells rare blue diamond for over $40m
A very rare blue diamond sold for over $40m (£32m ... adding it was the "the most expensive jewellery lot sold in all of 2023" by any auction house worldwide. On Monday, Christie's sold a ...
Business Insider India4y
21 of the most expensive items sold at auction in the past decade
The Oppenheimer Blue, the most expensive blue diamond in auction history, sold for $57.9 million in 2016. Named after its former owner, Sir Philip Oppenheimer, a leader in the diamond industry ...