so when the diamonds arrive steven has garnet pearl, amethyst, peridot, lapis, some centipedelles and lion to start his army not to mention if he learns to use his magic spit to fix even corrupted gems completely he could try and fix the cluster which is millions of gems shards

The main reason she wanted lapis was for power nothing more the statement of we could fly showed that especially with jasper previously stating that fusion was for only weak gems to get stronger shows she had to care for lapis just knew she wasn't able to handle lapis alone let alone the rest of the gems at some…