Luxomo offers the Gucci Men's 1000/S 0VDI NR Sunglasses in Tortoiseshell for $179.99. Coupon code "AFGCNR125" cuts that to $125. With free shipping, that's $211 off list and the lowest total price we could find. They feature 100% UVA/UVB polarized lenses. Deal ends June 6.
Authentic Glasses via eBay offers the Gucci Men's GG 1018/S Gradient Aviator Sunglasses in Brown Havana or Shiny Black for $89.99 with free shipping. That's the lowest total price we could find by $50. They're made in Italy and feature non-polarized gradient lenses.