Golden shackle

A "golden shackle" is a wedding band, usually when worn by a man (as women's bands tend to have stones where men's are most often plain metal).

Can be used no matter if a ring in question is gold or not.

Related to the phrase shackle cruising.

"Oh my God! I had the biggest crush on him in high school! Better see if he's got the golden shackle."

"You better enjoy the strippers and hoes at your bachelor party tonight, because once I put the golden shackle on you, that ass is mine!"