Ice Cream Cone
The Ice Cream Cone is an EXCLUSIVE pet that was available from the Exclusive Pets Egg, with a 35% chance of hatching. It was available in the Mastery Update.
The latest Pet Simulator X value list for Ice Cream Cone can be found below:

Regular
💎 3,000,000,000 (3b)

Golden
💎 Not Available

Rainbow
💎 Not Available

Dark Matter
💎 Not Available