I bought RAYS lug nuts they came in today. Its 14 grams per lug nut of weight diffrence from the big Rays aluminum one compared to the steel mini tuner allen lug nut.
So with that said
.123458 lb per wheel with 4 lug nuts or .493835 lb on all four wheel with 4 lug nuts per wheel
.154323 lb per wheel with 5 lug nuts or .617294 lb on all four wheel with 5 lug nuts per wheel
In short its about 1/2 pound savings over the tuner steel ones