Hey, I wasn't sure which topic to ask this on,but I am in desprit need of some money, its to doa course that will change my life, years ago a friend of the family gave me an 18ct gold ring ,told me it was an antique and would be worth a lot of money ina number of years, its in perfect condition and has a huge amethist stone in, its still shining like new, how and where can I find out how much this ring is worth, I really need this ,thanks?xx