What does it mean to engrave the MF AU750 DOO94ct engraved on the diamond ring? That brand? How much is it worth?

MF manufacturers
AU750 are 18K gold (75%gold content)
DO — the clarity of diamond
094ct — the weight of diamonds, 0.094 carats are 9.4 points of diamonds. (The weight of the diamond is usually measured by "carat". One carat = 100 points, one carat = 0.2 grams, a diamond with a 10 -point (0.1ct),

Cost price: (9.4 points of 9.4 points The price of diamonds is 500 yuan.
The material of the ring is 18K gold, 1.7017 grams, and the current price of 18K gold is 240 yuan/gram, multiplied by 1.7017 = 408 yuan workage 80 = 488 yuan
n n n n n n n n n n n n n n n n n n R n The cost of naked diamond ring support inlaid diamond is 80 yuan is the price of the diamond ring 1068 yuan.)

It, it is estimated that it will be sold to more than 4,000.

The first floor is very detailed ~~~