As of December 2025 Signet Jewelers has a market cap of HK$26.58 Billion. This makes Signet Jewelers the world's 3719th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Dec 7th, 2025 the market cap of Signet Jewelers was reported to be: