History of the Bay Podcast Ep. 118: Nick Tershay aka Nicky Diamonds is the founder of Diamond Supply Co., one of the most recognized brands in streetwear and skateboarding. Growing up in San Francisco in different group homes, he found a family in the emerging skate scene at Embarcadero. After turning pro and skating for different brands, Nick decided to start his own brand after designing hardware for skateboards. Inspired by a Sade song, he created Diamond and started making shirts with his logo. The shirts became incredibly popular, leading Nick to Los Angeles where he has been at the forefront of streetwear, fashion, and skating ever since.