US wholesaler Costco is facing a $19.4m (£15m) bill for damages after jewellery chain Tiffany sued it for infringing its trademark by selling "Tiffany" engagement rings. The ruling by a US ...

Bonhams will offer a Tiffany & Co. emerald and diamond ring at its upcoming New York Jewels auction, giving it a price tag of up to $550,000. The ring contains an emerald-cut, 9.27-carat Colombian ...

Luxury jeweler Tiffany & Co. has debuted an iPhone application that merges mobile and interactive shopping for consumers who are looking to select an engagement ring. The Tiffany & Co. Engagement Ring ...