GENUINE sapphire blue and white ring sterling silver sz 7 beautiful Big stone

Beautiful genuine blue and white sapphire ring! There are a ton of these stones and this ring has a beautiful design, it's a size 7, it's sterling silver and is made by a designer, it's marked inside P with a star and a M I have no idea who that designer is, if you know please tell me I would appreciate it alot. Excellent condition! box 20 I sell in my closet and have tons of other brands similar to list such as weiss, Stanley Hagler, Alice caviness, Demario, Navajo, miriam haskell, hattie Carnegie, juliana, coro, vior,Donald stannard, lisner, renoir, Eisenberg, Christian dior,Givenchy, ciner, carolee's, hobe, Ben amun, Tiffany and co, Vendome, Alexis bittar, Judith jack, kjl, vargas, Sherman, Nolan Miller, Elsa peretti sharra Pagano, Jill Fagin, Jay feinberg, kenneth Jay lane, Germany, Japan, Hong Kong, Simon ju, Thelma deutsch, Erwin pearl, monet, Napier, Cynthia Daniel, Elizabeth Taylor, Anne klein, les Bernard, Heidi daus, silpada, Sorrell, and more, so keep a look out I list daily