You should well get to know that Karen Walker is an New Zealand brand which was founded in New Zealand by Karen Walker in the 1990's. Since then, it focused on producing quality stuff, including sunglasses, which earned them great reputation. So, typically, a pair of them will cost you several hundred dollars perhaps. You should have access to them at large shopping malls.
I just see some karen walker sunglasses online and find that most of them are sold over 200 USD. And you can order them online. It is really a cheap and convenient way to buy the sunglasses. Here you two links of karen walker sunglasses, hope it will help you:
It is the New Zealand-based designer that perfectly complement eyewear collection of karen walker sunglasses. Karen walker eyewear is with bright colors, oversized frames and even cartoonish designs, being an accessory must. It adds a little something extra to any outfit. In addition, the same juxtapositions of style that Walker applies to her clothing designs also apply to her eyewear. That makes the eyewear line a coveted cult favorite among sunglass connoisseurs everywhere. However, the online average price of karen walker sunglasses is about $260. You could go to the ebay to have a look. You are even suggested to go to the www. gargyle.com to have a search. It is worthy to own one