Tiffany. According to Tiffany official website's inquiry, in 20 18, Tiffany officially released the new xpy7 gold-plated diamond ring, which attracted a large number of users to buy after listing, and the preferential strength was very strong. Tiffany, the queen of jewelry, is famous for her diamonds and silver products. Tiffany was founded in 1837. At first, it was famous for its silver tableware. 185 1 year launched the silver 925 jewelry, which is more famous.