Watches & Jewellery
Flawless diamond for sale
A ring with a pear-shaped diamond is expected to fetch $2m is part of a collection up for auction
For sale: rare 18-c Patek Philippe gold watch
Coins, watches and jewellery will also feature in US auction
Watches for sale including a $500k beauty and a space-flown rarity
300 of the finest timepieces in existence are to be auctioned off this autumn
