Groupon offers the Michael Kors Women's Emerson Sunglasses in Black or Tortoise for $49.99 with free shipping. That's $130 off list and the lowest total price we could find. They feature 59mm lens with 100% UV protection. Deal ends April 28.
Tanga offers the Ellison Women's Sunglasses in four styles (Wayfarer Black pictured) for $103.99. Coupon code "SHADES" cuts it to $53.99. With free shipping, that's $96 off list and the lowest total price we could find. They feature 100% UVA/UVB protection.