Rarities on Eldemore do not take popularity, opinions or designs into account.
Rarities, and the amount chosen to represent each rarity, are subject to change over time as the site grows.
Rarity Stone Guide:
Prism- Legendary (> 300 pets)
Diamond- Ultra Rare (> 650 pets)
Ruby- Rare (> 1635 pets)
Sapphire- Uncommon (> 2619 pets)
Emerald- Common (> 3603 pets)
Amber- Ultra Common (> 5000 pets)
Raw Stone- Unknown
Here is a general Trade Aid list for popular or valuable Eldemore pets.