The weapon and armor jewel now have an independent wheel at 99 per spin (im on average spending 900-1300 diamonds to get a jewel). The Accessory and back item tempered gems were in the IS at 299 each. but they pulled them for some reason. I guess they would rather takes us for 900-1300 than 299. The thing is, ive won 4 tempered stars and one was guaranteed, two more failed and one succeeded. so for roughly $100 i got my weapon to +18