nyc sterling unisex princess cubic zirconia screw back stud earring 3 to 8 mm (8mm) nyc sterling welcome to nyc sterling! we are located in the heart of nyc's diamond and jewelry district. founded in 2014, nyc sterling is the sister company of a larger direct importer and manufacturer who's been around since 1985. we specialize in sterling silver, stainless steel, and fashion jewelry. we've established a sterling reputation for ourselves with our clients for fine quality goods, prompt delivery, and up-to-date jewelry trends. our jewelry designers are constantly working on new designs to keep up with ever-changing market demands.