Luxury real estate is often defined by price, location, architecture and amenities. But what defines the professional representing the buyer or seller?

We asked three experienced Fortune Christie’s International Real Estate agents what they believe matters most when representing clients in the luxury market. Their answers pointed less to selling skills and more to something that is harder to quantify: judgment built through experience.

Knowing When the Right Deal Is No Deal

When asked what they would look for in an agent if they were buying a luxury property themselves, two of our agents independently arrived at the same idea: someone willing to put the client’s interests ahead of completing the transaction.

“I’d want someone I could trust to tell me what I need to hear, not just what I want to hear,” say Tatiana and Sophia Costa, from Costa Group Miami. “Most importantly, I’d want someone who treats my money as carefully as they would their own; who cares more about getting me into the right deal than simply getting a deal done.”

Maria Jose Diaz Mendizabal looks for something similar: “Someone who knows the market and someone who listens, understands what I’m really looking for, and is willing to tell me when a property is not the right one, even if that means walking away from a deal.”

In a luxury transaction, knowing when to proceed matters. Knowing when not to can matter even more.

Information Is Not the Same as Expertise

Today’s buyers have access to more real estate information than ever before. Listings, sales histories, market statistics and property information that once required an industry professional can now be found online. This changes where an experienced agent provides value.

For Tatiana, experience has brought perspective: “Today, I know which questions to ask, what deserves a closer look, when to push, when to step back, and how to anticipate issues before they affect my client.”

Phavel A. Ramirez points to the financial risks that can arise throughout a transaction, from inspections and appraisals to contract deadlines and deposits. Having information about a property is one thing. Understanding what deserves attention, what could affect value and where problems may emerge is another.

As Sophia and Tatiana put it, “You can learn the mechanics of real estate relatively quickly. Judgment, relationships and the ability to navigate complex situations on behalf of a client are built over time.”

Much of the Work Happens Where the Client Never Sees It

Luxury real estate may bring to mind exceptional properties and polished showings, but all three agents described a much less visible side of the business.

“People see luxury real estate and think it’s all about beautiful properties and glamorous showings, but there is so much work behind the scenes,” says Maria Jose. “It’s about strategy, negotiation, attention to detail, and really understanding your client.”

Higher value transactions can also involve more people and more moving parts. Attorneys, wealth advisors, family members, contractors, designers and other professionals may all play a role.

For Phavel, that means understanding what the client needs and staying ahead of those needs throughout the process.

And that may be one of the least visible characteristics of a true luxury specialist: making a complicated transaction feel uncomplicated.

As Tatiana explains, “Our job is to manage all of that complexity quietly and make the experience feel simple for the client. When we do our job really well, the client may never even know how much was happening behind the scenes.”

Ultimately, luxury expertise is not simply about knowing luxury properties. It is the judgment to recognize what matters, the experience to anticipate what may go wrong, and the ability to coordinate the many people, decisions and details involved in a complex transaction. A true luxury specialist has the skill to orchestrate all of those moving parts while protecting the client’s interests and making the experience as seamless as possible.