Personalized Diamonds From Coal Youth T-Shirt. Inspirational Youth T-Shirt - White with coal, shovel and diamonds graphic, says Even Diamonds Start Out As Coal. If you feel the pressure you are about to shine. Have patience, never give up. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.