Page providing some details abouth the new ring:
http://www.patriots.com/news/2017/06/09/patriots-presented-super-bowl-li-championship-rings-jostens
"Crafted in 10-karat white gold, the ring has a carat weight of 5.1 and features a stone count of more than 280 diamonds, including five marquise-cut diamonds representing the franchise's five Vince Lombardi trophies."