How to Make a Star Gem in "Bejeweled". "Bejeweled" is a Increase your " Bejeweled" high score by using the Star Gem. Comstock PopCap: Bejeweled Blitz. Create powerful Special Gems by matching 4 or more gems of the same type. When matched, Star gems destroy all gems along vertical and horizontal lines. Bejeweled Stars is one such game that will make you jump with joy. So if you have swapped Hypercube and a purple star gem, then all.