哪个技巧最好？

钻石 1：https://www.jamesallen.com/loose-di…rat-d-color-vs1-clarity-ideal-cut-sku-9534942

钻石 2：https://www.gia.edu/report-check?reportno=7488169103

视频：https://loupe360.com/diamond/48eea604-7ea8-51a6-9d77-97504ababfed/video/500/500/autoplay