The Diamond Division Quartet Contest is for women's quartets age 55 years and above with a combined age of 240 at the date of the contest. 

The Diamond Division Quartet Contest is in the hands of a star-studded panel of Sweet Adelines International Competition Judges. Every competing quartet gets detailed feedback to help them grow, shine brighter, and take their artistry to the next level! View the Rules and Regulations and Performance Level Guidelines for complete details. Follow the Diamond Division Facebook page to share your quartet's journey, connect with fellow quartets, and shine bright in a community of Sweet Adelines!