Blue Nile

It is still a shaky time for the diamond industry, but the ring market on eBay is up 58 percent in the last five years, and digital jewellery consignment has become more popular.

The Seattle-based company is being bought for $40.75 per share by funds managed by Bain Capital Private Equity and Bow Street LLC.

In India, where buying gold traditionally means a trip to the trusted family jeweller, a growing e-commerce market forecast at $22 billion in three years is starting to challenge all conventional wisdom.

SEATTLE, United States — Diamond rings on display at Nordstrom 's flagship Seattle store are not for sale. Shoppers can try them on, inspect the