First of all, bq has a wide range, which brand is not clear, or the abbreviation of which processing factory is not surprising. A gold diamond ring with AU750 of 18K kK is about 2 to 3 grams, and the maximum value including labor cost is 1000 yuan. 0. 137CT diamond is worth 1000 yuan according to the highest price of a diamond quality. The cost is about 2000 yuan. We process diamond ornaments, which is just a cost budget. Of course, if we go to a brand store, the price of the goods will definitely be different. In fact, as long as it is our favorite diamond ornaments, it will cost 3,500 to 4,000 yuan in the market.