Signet to Acquire Blue Nile, Lowers Fiscal 2023 Projections Diamond jewelry retailer Signet Jewelers Limited (NYSE: SIG) has agreed to acquire Blue Nile, Inc., a popular online retailer of fine jewelry and engagement rings, for $360 million in cash. In addition to this buyout deal, the $3-billion company revised its projections for Fiscal 2023 on August 9, 2022. Following the announcements, shares of Signet declined 11.7% on August 9, 2022. However, the stock regained momentum, rising 7.9% to close at $64.56, on August 10. Number of Stores and Key Brands Owned by Signet Based in Hamilton, Bermuda, the leading online retailer of diamond jewelry operates 2,800 stores in the United States, Canada, the U.K, and others.