The brand behind Justin Theroux and Nicole Brydon Bloom's wedding rings is opening up about how the couple customized their ...

Though Olsen, 36, has been seen wearing both her engagement ring and wedding ... most recent pictures of the Row designer, that band looks to have been swapped with a thick gold band instead.

Creating big-day jewelry from the rare Welsh gold has been a royal family tradition since 1923. Now, you could follow suit.