Save a few pounds more, and get a Loewe Aconda, or may be a Vitros for you top price at present.
Try the search at the top of the page, then use the LH Search by keyword for "Aconda", on page 3 there is a good posting "Vitros or Aconda?".
Apart from a few minor points, everybody who has either of these set are pleased with them.
Ruby quartz shades.