By Tamera Adams

Men's jewelry—from pearl necklaces to pavé diamond rings—is a fast-growing trend and the topic of a recent article on Wall Street Journal Online.

Of all the explanations given for why men are wearing jewelry these days, which ones ring true for your customer base or men that you know:

Recapturing youth: Men who are now in their 50s were in their 20s during the 1970s—the decade when men flaunted their necklaces on top of their shirts.

Following the crowd: Celebrity men are in on the trend. Actor Pierce Brosnan, best known as portraying James Bond, wears a Tahitian pearl necklace, according to the article.

Releasing their inner "metro": The metrosexual era gave a thumbs-up to heterosexual men who groomed, pampered and adorned themselves more than some women.

Caveman mentality: Hypnotizing her with bling before barraging her with classic one-liners is the best way to beat the competition.

Run DMC did it: When hip hop emerged, "trunk" jewelry became all the rage. Decades later, multi-million dollar artists raised the bar and made fine designer jewelry an outward show of success.

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