Name: Crystal Gem

Age: 16 years old

Gender: female

From: My Little Pony: Friendship Is Magic 

Race: unicorn 

Cutiemark: single red crystal under a magnifying glass 

Personally: kind, caring, friendly, brave, creative

Works at: Ponyville Day Spa

Looks: 

Cutiemark story: she was visiting the Crystal Empire on her 18th birthday when she discovered a pure dark crystal. No pony had created such a thing let alone found one, she studied it for months eventually she realized that studying crystals was she super special talent and thus her cutiemark appeared.