How do you get a jewel chao?

You get the jewel chao in the GBA Sonic games such as Sonic Advance, Sonic Advance II, Sonic Advance III, and Sonic Pinball in their Tiny Chao Gardens. You can raise the rings by playing the games in the gardens or earning them in the story mode.

CHAO COST EGG COLOR

Regular FREE White (This isn't a jewel chao, but a regular starter chao)

Silver 500 Silver (DUH)

Gold 1000 Dull Yellow

Ruby 5000 Redish Pink

Sapphire 7000 Deep Blue

Amethyst 8000 Purple

Emerald 10000 Green

Garnet 12000 Bloody Red

Aquamarine 14000 Sky Blue

Peridot 16000 Lime Green

Topaz 18000 Orange

Onyx 20000 (ouch) Black

Moon 20000 Black/Dark Purple (This chao is only a rumor and I have only seen hacked versions of the chao, I have never seen this chao itself)