Tanzanite was unknown to jewellers until 1967. Here is how a find in Tanzania's Merelani Hills became one of the most popular coloured gems and a December birthstone.
The 70th BFI London Film Festival opens with Andrew Scott in Elsinore, ahead of 12 days of galas and premieres closing with Jesse Eisenberg's The Debut.
John Galliano's first Zara collection, Alexa Chung's debut range for Reformation and a Roy Lichtenstein capsule at Gap headline a busy week of fashion collaborations.
How the Earl of Cardigan, Lord Raglan and the Battle of Balaclava gave their names to everyday knitwear, and how Chanel and the twinset made the cardigan a classic.
ZOYA's spice-inspired high jewellery, Zambian emeralds with tanzanite from Shruti Sushma and Gemfields, and Royal Asscher cuts arriving at Blue Nile.
From Mark Antony's coveted ring to Sir Walter Scott's curse and Queen Victoria's rescue, a short history of opal, October's birthstone.