Let me answer! This diamond ring is not expensive to buy at Chow Tai Fook. If you go to the "network+entity" store to buy, it will save the cost of many intermediate links (diamond dealers, stores, personnel, etc.). ). So similar products are only 3-7 fold lower than traditional jewelry stores, and your diamond ring is about 13000! What does the diamond ring inner ring D0.700ct BN 1 LJ mean? D0.700ct D is the abbreviation of diamond Diamond, ct is the abbreviation of carat, that is, your diamond is 0.70 carat, that is, 70 cents. BN 1 LJ is the code name of Chow Tai Fook's factory and sales branch in Shenzhen, that is, CTF refers to Chow Tai Fook's brand AUG750, which refers to jewelry containing 75% gold, and the other 25% is other precious metals, that is,/Kloc-. Finally, by the way, buying a diamond ring is very expensive! ! ! ! It is cheaper to order, and it is easy to order one that suits you!