INTERVIEW: MONIKA TU, Founder / Director Black Diamondz Group
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INTERVIEW: MONIKA TU, Founder / Director Black Diamondz Group

Where her Chinese-focused business is headed given ongoing COVID constraints.

By Terry Christodoulou
Mon, Mar 15, 2021 7:01amGrey Clock 3 min

Monika Tu doesn’t mince words. Nor does she carry any passengers.

How else to explain what is now a rather well-worn tale – a story, hers, that details a Chinese immigrant who landed in Australia from Shenzhen in 1988 without any English.

She studied, claimed an RMIT scholarship and subsequently turned a basic market stall into a successful international electronics business. She’s since found incredible acclaim — and arguable dominance — as a property agent within Sydney’s tightly-held prestige property market.

There’s more to her work than simply opening residential doors — helping to forge and foster cultural and community links for her largely immigrant (predominantly from China, Middle East, Europe) client list, alongside arts philanthropy and an unwavering dedication to each and every day.

We caught up with Tu to discuss the difficulties of 2021 — and to better understand the road ahead.

Kanebridge News: There’s an incredible resilience that seems to frame the Sydney prestige market – but how difficult was 2020 in regards to your business and key clients?

Monika Tu: Obviously, Covid-19 had huge impacts on many businesses last year and ours was no exception. The restrictions on international travel hit us hard, however, we saw a surprising rise in local Chinese buyers wanting to buy a property quickly.  People may think that most of our buyers are international. However, that’s not the case and many of these people had been holding out for the ‘perfect’ property — but when Covid hit they relaxed their expectations slightly because their main aim was to secure a property.

KN: And how do you view the road ahead?

MT: I see the market continuing to do well. The prestige market will always follow a different trajectory to the general market, but I don’t see things slowing down.  With the influx of movie stars and wealthy individuals wanting to call Australia home, there’s only one way prestige property is going, and it’s up.

KN: There’s a belief in some economic quarters that things must naturally end, and soon.

MT: People have always said this, even prior to the pandemic. But Sydney and Australia’s prestige property market is robust, resilient, and has proven itself repeatedly.  As long as Australia is seen as a world-class lifestyle destination, people will always be willing to pay.

KN: What was the allure of property that made you start Black Diamondz?

MT: If I’m honest, it wasn’t so much the allure of property that made me start Black Diamondz. It was the gap in the market of servicing the multitude of high net-worth individuals, predominantly from China, who were looking to call Australia home. Some agents were more than capable of finding them a great property but could not open other doors such as schools, lifestyle, business opportunities, networking, and philanthropy.  This is the gap that I knew I was able to fill.

KN: How did you get your start in the prestige market?

MT: Black Diamondz really started by chance.  There were a lot of conversations at the dinner table about new migrants searching for luxury homes, but a lack of services or guidance for them when it came to making decisions.  One of my friends had a friend from China looking for a property and was having no luck with local real estate agents. I took him for a drive around Sydney’s Eastern Suburbs and just asked him what type of house he liked. He picked one, I knocked on the door and the owners said it was not for sale. Fast forward five days later and they sold it for $13.5 million. That is when I realised the need for this type of service was out there and took full advantage.

KN: Does the size of the deal you’re working to close ever intimidate, or is it something that drives you?

MT: For me it’s never about the size of the deal. I treat a $5 million apartment with the same work ethic that I treat a $50 million home. For me it’s all about giving my clients, both buyers and sellers, the very best experience possible.

I love smashing records, like selling Sydney’s most expensive home in 2019, but those things don’t happen every day and if that’s what drives you, you won’t last long in real estate.

KN: What do you think gives Black Diamondz a competitive edge?

MT: On the surface, it’s our proven ability to achieve consistent, market-leading results over the past ten years, as well as our international database. But deeper than that is our standing within the community. I know almost everyone in Sydney, and I have nurtured these relationships over the years. This is the key to a successful real estate business — your network and influence.

KN: You’re a self-confessed workaholic, is that a necessary mindset to achieved success especially in the market you work?

MT: I think the entrepreneurial mindset I have is what has made me successful — not only in real estate but in life. I never stop working but I also don’t see it as work, it’s my life and it’s what I do day in, day out.

Blackdiamondz.com.au



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A five-bedroom Palo Alto home designed by Steven Ehrlich is listed for $44 million, making it the city’s most expensive listing. Built around a dramatic concrete spine, the home features four courtyards and a pool.

By E.B. Solomont
Thu, Sep 24, 2026 3 min

For years, tech entrepreneur Asher Waldfogel and his wife, Helyn MacLean, dreamed of building a modern house in Palo Alto, Calif.

The couple, however, worried about clashing with the Mediterranean-style architecture typically associated with their neighborhood of Old Palo Alto.

So they tapped architect Steven Ehrlich to create a design that paid homage to its surroundings with stucco, mahogany and titanium zinc cladding. They spent $20 million over several years building the house, completed in 2005.

Designed for indoor-outdoor living, the house has matching mahogany paneling and limestone both inside and out.
Designed for indoor-outdoor living, the house has matching mahogany paneling and limestone both inside and out. Arthur Sharif/Sotheby’s International Realty

The dining room is between an outdoor garden and the staircase.
The dining room is between an outdoor garden and the staircase. Arthur Sharif/Sotheby’s International Realty

Now looking to be closer to their adult daughter on the East Coast, they are putting the five-bedroom home on the market for $44 million—the most expensive listing in Palo Alto.

Waldfogel is an angel investor who co-founded Redback Networks, a telecommunications-equipment company. MacLean previously had a career in fundraising.

The kitchen and family room open to the garden and pool.
The kitchen and family room open to the garden and pool. Arthur Sharif/Sotheby’s International Realty

Cast alcoves and mahogany shelves house the couple’s books and ceramics.
Cast alcoves and mahogany shelves house the couple’s books and ceramics. Arthur Sharif/Sotheby’s International Realty

The couple purchased the roughly 0.4-acre site for $7.1 million in 2000 and demolished a circa-1930s Spanish Colonial home. The house they built pinwheels around a central staircase. It has 7,900 square feet of livable space, with four distinct courtyards and a pool.

A key feature of the home is a cast-in-place concrete wall, or spine, that is two stories high and about 80 feet long. “There’s a little bit of controlled chaos in what comes out of the form,” unlike a perfectly uniform surface, Waldfogel said. “If you want that, you do it in plastic.”

Ehrlich said it took a few tries to get the concrete wall right.
Ehrlich said it took a few tries to get the concrete wall right. Arthur Sharif/Sotheby’s International Realty

‘It’s a really hard material to tame,’ Ehrlich said of concrete. Workers learned as they went, and Waldfogel and Helyn grew to appreciate the imperfect material.
‘It’s a really hard material to tame,’ Ehrlich said of concrete. Workers learned as they went, and Waldfogel and Helyn grew to appreciate the imperfect material. Arthur Sharif/Sotheby’s International Realty

A central staircase is housed in a glass tower.
A central staircase is housed in a glass tower. Arthur Sharif/Sotheby’s International Realty

Waldfogel said he and his wife are thinking about the next phase of life now that their daughter is grown, although they have not decided where they will move. They also have a home in Sun Valley, Idaho.

“Right now we’re just trying to emotionally let go and decide what to do next,” he said.

Arthur Sharif/Sotheby’s International Realty

Two wings of the house are connected by horizontal planes.
Two wings of the house are connected by horizontal planes. Arthur Sharif/Sotheby’s International Realty

Palo Alto, an epicenter of venture capital and tech startups in Silicon Valley, is home to some of the country’s biggest tech titans. Sales volume and prices are rising, with a median sale price of $3.5 million for the three months ending in August, up 5.8% year-over-year, according to real-estate brokerage Redfin.

Arthur Sharif of Sotheby’s International Realty—San Francisco Brokerage has the listing.