Welcome To

The Diaman Group LLC

Real Estate Experts

Explore Cities

Experience the lifestyle each city has to offer. Whether you're drawn to the bustling city center, artistic districts, or serene suburbs, our listings paint a vivid picture of the diverse lifestyles awaiting you.

Explore Apartments Here

Discover prime apartments spaces strategically located for comfort.

Why choose The Diaman Group?

01.

Extensive Selection, Personalized Service

Explore curated properties with a personal touch, finding your dream home made easy.

02.

Your Partner in Real Estate Confidence

Navigate with trust and transparency, making your property journey a seamless experience.

03.

Seamless Transactions, Honest Dealings

From accurate details to straightforward transactions, we prioritize your peace of mind in every home decision.

Inquiry Form

Fill out the form and our team will contact you.


Check Our Selection Of Finest Properties

Indulge in a selection of exquisite residences that embody luxury and comfort.

Meet Our Agents

Our diverse team brings a wealth of expertise across various real estate specializations.

President and Broker
Real Estate Broker / Owner Professional experienced in high-pressure fast-paced negotiations from inception through...

Testimonials

Hear It from Our Happy Clients

John Diamantopoulos is my real estate agent in New York City and will continue to be. I will continue recommending him and only him to anyone that I know who is thinking about purchasing in Manhattan. I must say thank you to for making my transaction as effortless as possible in what we all know can be a difficult market to enter. Thank you very much for your time. Best Regards,
by Dave Natale
, The Rolling Stones
John more than fulfilled our expectations in that our apartment, in a down market was sold in a week and a half and at a price considerable above the listing price. We were previously listed with another firm for months without any activity or offers. Similarly our purchase of a larger apartment was handled expeditiously and in a matter that gave us great confidence. John’s knowledge of the Coop process was very impressive and made the process very smooth.
by Dr. James and Theresa R

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