It should be d0. 150ct, which means 0. 15 carat diamond and 15 cent diamond. Your definition should be an input error, h-i color scale,18kkg old inline, the retail price of the market is 3000-4000, the brand will be slightly higher, and the price will be slightly higher if you buy it in a jewelry store.
For reference only, if it helps you, please adopt it. Thank you.