The Diamond Griffin is classified as a legendary pet in Adopt Me! that was released on March 20, 2020, along with the Diamond Dragon and the Diamond Unicorn in the Diamond Egg as part of the Star Rewards update. Players have 33.3% chance on obtaining the Diamond Griffin when hatching the Diamond Egg.
The Diamond Griffin is a re-skin of the regular Griffin that is recolored in blue and yellow. It has a diamond body with golden wings, golden eyebrows, and a golden beak. Similar to the pets from the Golden Egg, the blue parts of the Diamond Griffin's body turns dark blue at night.
Mega Neon Appearance
Similar to how the Neon Diamond Griffin would glow, the Mega Neon Diamond Griffin glows from pink to white, to blue in the same areas.