If a hoop has P4SR published on it, it implies that it's been made out of a combination of white gold and platinum. SETA is a company that provides fashion jewellery. Their jewellery ordinarily contains a CZ plating above silver. HK is usually a trademark that stands for Harriet Kelsall. https://slot-online42674.ltfblog.com/35658882/jp88-fundamentals-explained