Robyn Rihanna Fenty (born February 20, 1988),
known by her stage name Rihanna is a Barbadian recording artist, actress, and fashion designer.
Born in Saint Michael, Barbados, she met record producer Evan Rogers in late 2003, and the next year moved to the US to pursue a music career.
She began recording demo tapes under Rogers' guidance,
and signed a contract with Def Jam Recordings after auditioning for its president, rapper Jay-Z.
"Diamonds" is a song recorded by Rihanna for her seventh studio album Unapologetic (2012).
It was written by Sia Furler and its producers, Benny Blanco and StarGate
The song premiered on September 26, 2012,
during the Elvis Duran and the Morning Show and was digitally released the following day, as the lead single of Unapologetic.