The Gold price is standard throughout the world, so you will get the same in Turkey and the U.K. However, the quality of gold in the U.K. starts at 9ct in Turkey it starts at 14 K. Also, you can get lots of very well designed pieces in Turkey and of course, you can design your own piece of jewellery in Turkey, which will be ready in a couple of days, this service would costa small fortune in the U.K. and would not be that readily available on the Hight Street.
Take a look online at sites like this one, which will give you the very latest gold prices
http://www.scrapgolduk.co.uk