Cleanliness: SI level-defect level (cleanliness SI level is subdivided into three levels: SI 1, SI2 and SI3).
The width ratio of the platform is 53.0%-66.0%, and the depth ratio of the pavilion is 465,438+0.5%-45.0%. The cutoff ratio is very good.
Material: 18K gold, gold weight: 3.44 16g (minus 0.064g diamond weight).
Cost price of diamond ring (estimated by D color and SI 1 grade): about 6400 yuan; Retail price of general merchants: 10200 yuan or so.
Chow Tai Fook is an internationally renowned brand, and the price of 15000 yuan is reasonable.
For reference only.