How much does it cost for 3 points of broken stone and 20 grain diamond ring

Under normal circumstances, three -point diamonds are usually used to inlay with the main stone, and they rarely divide them in the clarity, but there are still color differences. If it is a diamond with a three-point D-F color, the price is about 90 yuan, the general weight of the silver support is about 2 grams, and the labor consumption is about 200. The whole ring was in his early 300. The information is for reference only.