Fancy vivid blue diamonds exceeding 10 carats are among the rarest gemstones in the world, and Sotheby’s[…]
Signet Jewelers has signed a deal to acquire online retailer Blue Nile for $360 million in cash.[…]

Top US jewelry etailer Blue Nile has blacklisted Zimbabwean diamonds over reports of human rights abuses in[…]

Blue Nile’s sales rose 20 % year on year for the third quarter of 2012. Turn over[…]