The cost of a VS1 diamond is generally decrease than that of higher clarity grades consisting of VVS1, VVS2, and flawless (FL) diamonds, however better than that of decrease readability grades consisting of VS2, SI1, and SI2. this is because VS1 diamonds have very minor inclusions which can be tough to locate, offering a high clarity grade without the top rate charge associated with close to-perfect diamonds. The price of a VS1 diamond also relies upon on other elements inclusive of carat weight, reduce, and color. typical, VS1 diamonds provide an great balance between best and cost.