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Contact Us

If you have any questions about purchasing tickets for Diamond Ball 2020, please contact our supporter care team.

Supporter Care

Phone: 1800 685 686
Email: info@diamondball.org.au

Postal Address
Diamond Ball 2020
Children's Cancer Institute
PO Box 81, Randwick NSW 2031

Our office hours are: 9am – 5pm, Monday to Friday.


Diamond Ball Sydney would not happen without our wonderful volunteers. The main role of a volunteers will be table hosts. In pairs you will be allocated a table look after for the evening. You will be asked to sell raffle tickets, help guests with the online silent auction and assist the auctioneer in the live auction.

If you are interested in volunteering in Sydney, please contact our volunteer coordinator - Patricia Manila by email PManila@ccia.org.au or phone 02 9385 8397 for more information.