Repairs & Service

Over 40 Years providing jewelry repairs and service

Certified GIA Diamond Setter | On-Premise Jewelry Repair | Lifetime Guarantee on Custom Jewelry

Your Jewelry Is in Good Hands

With a Master Jeweler and a Certified GIA Diamond Setter on-site, you won’t have to worry about your pieces. They’ll remain in-store for repairs. Upon return, you’ll be more than satisfied with the finished product.

Jewelry Expertise Earned by Skills and Experience

After over 40 years in the business, owner and Master Jeweler John Mazzo has seen every type of repair imaginable. As a Certified GIA Diamond Setter, you’ll get more than a repair. John provides customers with a valuable learning experience. 
Ensuring you’re well informed on the specifics of quality and value, he makes sure to deliver results he’s proud to put his name on.From creating custom pieces and providing basic repairs to carrying out extensive reconstruction of the piece, your satisfaction is his daily concern.

Our On-Site Jewelry Repair and Service

  • Ring sizing and re-sizing
  • Soldering – broken chains, clasps, etc.
  • Stone matching
  • Custom orders
  • Ear piercing
  • Restringing
  • Expert watch repair

Jewelry Appraisals

We advise you to consider your options for insurance. We can also assist you through coverage with the Jewelers Mutual Insurance Company. Remember, most companies won’t insure jewelry without a written appraisal.All jewelry purchased at Mazzo Jewelers qualifies for a FREE appraisal. 

Personalized Jewelry Engraving

Mazzo Jewelers offers personalized engraving services. Some of this work can be completed on-site. As a part of our family, all your pieces will be personally cared for as if they were our own.Some of the items we typically engrave include:

  • Watches
  • ID bracelets
  • Medical alert jewelry
  • Medallions
  • Police Gold Cards
If you have a piece you would like to have engraved, please feel free to stop into our store or call us with any questions.

Have Questions?

Call Mazzo Jewelers

Find out more about our jewelry and watch repair services.

973-790-7400

Ear Piercing Services

Johnny has been piercing ears for his customers for over 20 years. He typically recommends piercing babies between the ages of three and six months, and children seven years and up. All piercing earrings are 14k yellow or white gold with hypoallergenic backings. For more information, please call, and we’ll be happy to answer any questions or concerns you may have.