It depends on your choice. The quality of 40 cent diamond ring, Chow Tai Fook diamond ring and chiba jewelry diamond should be similar. For example, if they are both F color and VVS clarity, then these two brands of diamonds should be almost beautiful. However, the setting of diamonds is also very important, and you should choose it well. These two brands should be good. Another thing to consider is that Chow Tai Fook has many advertisements for diamond rings. This brand is big, the branding investment is large, and the price is naturally high.