We started collecting versions of a belief about titanium rings in 2003, when that substance began to find favor among the about-to-be-weds as wedding band material: Do you have any information on ...

The Oura Ring 4 starts at $349 and begins shipping on Oct. 15, with orders opening on Oct. 3. That makes it about $50 more expensive than the base Heritage Oura Ring Gen 3, which has one flatter ...

Calla Gold, a jewelry designer in Santa Barbara, Calif., says titanium rings can't be as easily sized as traditional metals, which is why she doesn't use them as wedding jewelry.