Meet the Diamond Key Team

Experience You Can Count On

For more than 25 years, the Diamond Key Team has helped Central New Jersey buyers and sellers make confident real estate decisions. Our experienced team combines local knowledge, proven results, and personal service to put your goals at the center of every move.

Where Experience Meets

Service That
Puts You First

For more than 25 years, the Diamond Key Team has been helping buyers and sellers throughout Central New Jersey navigate real estate with confidence. Founded by Christina Duncan, our team brings together deep local knowledge, proven expertise, and a commitment to making every client feel supported from start to finish.

With more than 1,000 homes sold and 65% of our business coming from past clients and referrals, our success has always been built on relationships. We take the time to understand what matters to you, provide straightforward guidance, and deliver the thoughtful service that keeps clients coming back and referring the people they care about.

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Meet The Team

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Kevin Kamery

Kevin Kamery

REALTOR®
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Christina Duncan

Christina Duncan

Broker / Owner
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Joseph Leone

Joseph Leone

Sales Manager
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Gisel Lainez-Jimenez

Gisel Lainez-Jimenez

REALTOR®
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Toriano Duncan

Toriano Duncan

 
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Jacob Pinto

Jacob Pinto

 
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Maritza Hernandez

Maritza Hernandez

Realtor
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Alexus Plummer

Alexus Plummer

 
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Allyson DeMarco

Allyson DeMarco

 
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Brianca Gillespie

Brianca Gillespie

REALTOR®
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The Flora Group

The Flora Group

 
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Edward Abihaila

Edward Abihaila

Real Estate Consultant
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Maryann Cantor

Maryann Cantor

 
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Dale Camuso

Dale Camuso

REALTOR®
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Attila Paladi

Attila Paladi

REALTOR®
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Amanda Lopez

Amanda Lopez

Sales Associate
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Patrick Rusin

Patrick Rusin

 
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Catherine Gundayao

Catherine Gundayao

REALTOR®
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Gianna Duncan

Gianna Duncan

 
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Emily Lawrence

Emily Lawrence

REALTOR®
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Jean Athis

Jean Athis

 
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Kulveen Sarna

Kulveen Sarna

 
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Maria Long

Maria Long

 
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Veronica Pelzer

Veronica Pelzer

Agent
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A Track Record You Can Trust

Experience That Makes a Difference

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Homes Sold

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2025 Sales Volume

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5-star reviews

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Years of Experience

The Diamond Difference

Service Built Around You

Middle class home exterior small rambler style house with simple style brand new construction blue sky green grass

Buying

From understanding market intricacies to leveraging our local knowledge, we are committed to securing the best results.

A very neat and tidy home in suburbs of Ohio

Selling

Selling your home demands expert skills and guidance, and we understand the importance of this process.

Rear view of luxury home with brick patio (1)

Upsizing

If you’re seriously considering upsizing, it’s important that you’re well informed as to what the process involves.

Services

Ready to make a move?

We’re Here to Help

Whether you're ready to buy, preparing to sell, or simply want to understand your options, the Diamond Key Team is here to help. With decades of experience and a proven track record across Central New Jersey, we'll give you the guidance, resources, and personal attention you need to move forward with confidence.

Let's Talk About Your Goals