I scrape gold your ring as it sits weighs 7.58 grams, gold is selling at $1574. Scrape value is $196.74. You are not going to get much more then that unless the diamonds are really nice. If you bought your ring from a store, you paid anywhere from 700-900% mark up. If you have an appraisal, in the real world you can count on getting about 20-25% of the appraisal.