750 indicates that the material of the diamond ring is 18K, and 1D0.30 indicates that it is a diamond with a weight of 0.30 carats. K means the color of the diamond is K, which is not very good. Vs is cleanliness. VS is cleanliness. It's OK. 38D 0. 19ct indicates that there are 38 small drills besides the main drill, * *. 19 points only need 1300 to 1500. Small diamonds cost 450 to 500. Your ring didn't say how heavy it was, so it's not easy to forget. You set the price of gold at 180, and let's see if you are a good deal. It is normal for factories to earn hundreds of pounds. It is not expensive as long as it does not exceed 100.