How much is gold, one gram or hundreds of thousands of grams? AU750 or G750 is 18K. Now one gram is only 140 yuan. Plus the loss at the factory 12%. That is, 1 gram is 1. 12 gram of money. A 20-cent VS diamond, worth about 1500. Two diamonds are 3000 yuan. There are usually 2 grams of rings. If 3000+300+ 120 (labor fee) +20 (certificate