Anthropologie's 'Pinctada' beaded headband is $32. It's just one of many stunning styles that Anthropologie carries. If you're lucky you could probably get a similar style on sale for about $20 (like this one).
If you don't live near an Anthropologie store and want to shop in person (and save a couple bucks), check out these lovely beaded headbands at Pier 1, available in black or cream for $18.

Here's how they look in real life:
If you don't live near an Anthropologie store and want to shop in person (and save a couple bucks), check out these lovely beaded headbands at Pier 1, available in black or cream for $18.

Here's how they look in real life: