John Marmo Diamonds - By Appointment Only

Calyn Brown 

on Google

a week ago

A forever jeweler! The absolute best experience - thank you so much John for creating my dream ring! 

Jacob Vecchiolla 

on Google

a week ago

John created an even better version of the ring I had in mind. He explained every detail and was very informative throughout the entire process - the experience was exactly what I had hoped for when designing a custom ring. I felt like I knew John after leaving the first appointment, his communication doesn’t end after the ring is completed. I will recommend John every time. Thank you John! 

Ethan Brown 

on Google

3 weeks ago

I could not have asked for a better experience working with John on an engagement ring. The process was professional and low pressure. Best of all my fiancé got her dream ring! 

Ed Y 

on Google

a month ago

I contacted John to discuss a surprise 45th anniversary gift for my wife. John immediately responded to my initial inquiry and throughout the time we discussed various designs and changes. When my wife and I met with John it was clear to both of us he was a great listener and focused on our requirements. John’s design and final product exceeded our expectations. We live in Staten Island and John is located in Charleston. We had not met him before our purchase and John’s professionalism made our decision easy to work with him... read more

Sam Tenney 

on Google

3 months ago

I met John serendipitously during a group tennis lesson in Charleston, where he introduced himself and handed me his card. The timing was perfect—I was searching for an engagement ring but struggling to find someone who offered both expert guidance and meaningful customization. From our very first conversation, John distinguished himself through his meticulous attention to detail and thoughtful approach. He asked insightful questions, listened carefully, and translated vague ideas into a clear, creative vision. Throughout th... read more