Once as precious as ruby and emerald, amethyst went from Greek wine myths and bishops' rings to Catherine the Great's Ural mines, until Brazil changed its story.
Dove Cameron and Måneskin's Damiano David married in Montalcino, with Armani tailoring, a star-embroidered Valentino veil and a phrase engraved inside their rings.
Valentino's baroque gold and giant pearls in a Paris library, plus first collections from Drew Henry at Courrèges and Kai Nesselrath at Carven.
How a waterproof coat designed for First World War officers, built on gabardine patented in 1879, became one of fashion's most enduring classics.
Rio Tinto has passed the Argyle Pink Diamonds brand and the last of the mine's rare pink diamonds to British jeweller Boodles, which plans a slow release over ten years.
The Black Prince's Ruby in the Imperial State Crown is really a spinel. Here is how red spinels passed as rubies for centuries, and how science told them apart in 1783.