Dyamond Fitness

Dyamond Fitness Dyamond Fitness is a private studio offering personal training and small group training services to busy adults and youth athletes.

Dyamond Fitness LLC is the brain trust of personal fitness trainer Dyamond Ruffin. Dyamond has been in the fitness industry for 5 years working with a variety of individuals with unique fitness goals. He is a certified personal trainer credited by the American College of Sports Medicine, holds a Bachelor's Degree in Kinesiology (Exercise Science) as a graduate of Wesley College in 2016 and is currently a grad student of the University of Florida, studying Kinesiology with a concentration in Human Performance. Athletics has been a huge contributor to his passion and commitment to fitness, as a former collegiate football player. Now, Ruffin works towards the goals of Dyamond Fitness LLC, to help the general population and athletes reach their fitness goals through effective and efficient exercise. He specializes in strength training, athletic performance, muscle gain, weight loss, and posture corrective exercise.

🎀 WE’RE BACK! 🎀Dyamond Fitness is proud to announce our 2nd Annual Breast Cancer Awareness 5K & 1-Mile Walk, in partners...
09/21/2026

🎀 WE’RE BACK! 🎀

Dyamond Fitness is proud to announce our 2nd Annual Breast Cancer Awareness 5K & 1-Mile Walk, in partnership with Connie Dwyer! đź’—

đź“… Saturday, October 17th

Last year, our community came together to move with purpose, honor those affected by breast cancer, and show the power of coming together. This year, we’re doing it again—and we want you there!

Whether you’re running the 5K, walking the mile, bringing your family, or simply coming out to support, there’s a place for you.

🎀 Run for those who are fighting.
🎀 Walk for those we’ve lost.
🎀 Show up for those who continue to inspire us.

Let’s make our second year even bigger and stronger.

Dyamond Fitness Ă— Connie Dwyer
Community. Movement. Purpose. đź’—

📍 October 17th — Save the Date!

CommunityStrong 5KRun 1MileWalk

09/21/2026

You are one decision away from a better version of yourself.

Our six week Transformation Challenge runs October 5 to November 13, ending with a celebration for every participant and our overall winner.

This is your chance to level up before the holidays. No pressure, no Dyamond. Join us! đź’Ş

💎 ADULT MEMBER OF THE MONTH — MARIKO HASEBE 💎Help us give a huge shoutout to Mariko Hasebe, our Adult Member of the Mont...
09/21/2026

💎 ADULT MEMBER OF THE MONTH — MARIKO HASEBE 💎

Help us give a huge shoutout to Mariko Hasebe, our Adult Member of the Month! đź‘Ź

Mariko continues to show up, put in the work, and challenge herself every time she steps through the doors. Her consistency, positive energy, and commitment to getting better are exactly what the Dyamond Fitness community is all about.

We’re proud to have you as part of the Dyamond family, Mariko! Keep putting in the work and setting the standard. 💪🏽

Congratulations, Mariko! 🏆💎

Thank you, Elizabeth for the five star review! 🙌Two months in and you’re already experiencing rapid improvements and con...
09/17/2026

Thank you, Elizabeth for the five star review! 🙌

Two months in and you’re already experiencing rapid improvements and confidence you didn’t expect. That’s what real coaching looks like. 💎

Ready to join us? Hit the link in our bio.

09/15/2026

We’re getting closer to our Six Week Fall Transformation Challenge! 🍂💪

From October 5 to November 13, you’ll get 18 small group training sessions and a custom nutrition plan tailored to your goals. All you have to do is hit the grocery store, show up three days a week, train hard, eat clean, have fun, and let the results take care of themselves.

If you’re ready to feel stronger, leaner, and more confident by mid November, hit the link in our bio to learn more.

WE’RE BUILDING MORE THAN A GYM. 💎Dyamond Fitness is proud to announce our new internship partnerships with Kean Universi...
09/15/2026

WE’RE BUILDING MORE THAN A GYM. 💎

Dyamond Fitness is proud to announce our new internship partnerships with Kean University and Seton Hall University for Exercise Science majors.

This is another step toward our mission of creating a facility where people can train, learn, develop, and become better.

We believe the future of fitness depends on developing great coaches—not just hiring them.

So we’re opening our doors to the next generation and giving students the opportunity to experience the industry from the inside.

From the classroom → to the floor.

Welcome to Dyamond Fitness. đź’Ž

Internship FutureOfFitness

09/14/2026

Meet Gabriella! đź’Ş

From thinking she could never do a pull up to feeling stronger and more coordinated than ever, her progress speaks for itself.

With trainers who truly know their stuff, always push you, and never skimp on form, every session is challenging, safe, and empowering.

This is what happens when you have a team that believes in you and gives you the energy and encouragement to keep showing up.

Ready to feel this strong too?

September 11, 2001, remains a day we remember with heavy hearts. Today, we honor everyone who was impacted. 🇺🇸
09/11/2026

September 11, 2001, remains a day we remember with heavy hearts. Today, we honor everyone who was impacted. 🇺🇸

Real Coaching. Real Progress.Your fall doesn’t have to stay the same. 6 weeks of nutrition + training built around what ...
09/10/2026

Real Coaching. Real Progress.

Your fall doesn’t have to stay the same. 6 weeks of nutrition + training built around what you actually need.

October 5th to November 13th. Sign up now! 💎🍂

Here’s to a weekend well deserved. Happy Labor Day, Dyamond fam! 💪
09/07/2026

Here’s to a weekend well deserved. Happy Labor Day, Dyamond fam! 💪

Address

97 S Livingston Avenue Suite D
Livingston, NJ
07039

Opening Hours

Monday 6am - 7pm
Tuesday 6am - 7pm
Wednesday 6am - 7pm
Thursday 6am - 7pm
Friday 6am - 7pm
Saturday 7am - 2pm
Sunday 8am - 10am

Telephone

+19089447810

Website

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