Rebecca Minkoff. Comes in various colors such as fluorescent pink, fluorescent yellow, pine, black, black patent, dark grey and fluorescent blue, fluorescent pink, fluorescent orange, and crema.
The RM double pyramid bracelet (pictures courtesy of www.lunaboston.com). Prices from $48.
More favorites? Hayden-Harnett (photos from www.hayden-harnett.com). They're having a sale now, so prices are currently starting at $90 on the HH website. Check it out!
HH Pleasure Slim Cuff in Cognac:
HH Farrow Wide Cuff in Cognac:
Of course, if you like cuffs without the studs, you can find great ones at H&M in the Men's accessory section. This is the one that I own that I absolutely adore:
Oddly enough, I've only been able to find it in H&M stores in Canada, not the US. But IIRC, they cost $7.90CA.