The Kat Florence Lumina, recognised as the world’s largest flawless Paraiba tourmaline, is heading to auction at Bonhams Hong Kong. The 18.61 carat Paraiba tourmaline was discovered in 2003 by gem ...

The event, hosted by Boston-based RR Auction, concluded on 17 April. The watch is one of 28 created for a celebratory event in 1969. The watch was sold for $USD2 ...