There are bubbles in the artificial crystal, which indicates that it is not done well in the processing technology. It shouldn't belong to Shi Jia. Its crystal technology is excellent in synthesizing crystals. There are many imitations with smart shape and high refraction. Most of them are coated with a metal film, so the film is not so shiny when it falls.
Many Swarovski things are bought online in Hong Kong, with a 50% discount. I bought a real small fish pendant, which is also sold at the counter. Other styles of bracelets don't seem to be available in the counter. It should be a bead string made by imitating other products, and it is also very shiny.