Billionaire property whisperer Monika Tu spills her secrets

Ready to retire at 45, everything changed for this immigrant from humble beginnings when she met her third husband – and discovered her purpose.

Celebrity property whisperer Monika Tu says Black Diamondz was always a vision about much more than just luxury homes. Louise Kennerley

Sally Patten, Iona Rennie and Rachael Bolton

Sep 23, 2025 – 5.00am

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onika Tu understands the value of branding. The celebrity realtor and founder of Black Diamondz Property Concierge last year sold $400 million worth of properties to offshore buyers and is now one of Australia’s highest profile property agents.

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Sally PattenBOSS editorSally Patten edits BOSS, and writes about workplace issues. She was the financial services editor and personal finance editor of the AFR, The Age and the Sydney Morning Herald. She edited business news for The Times of London.