Wedding Jewelry. Diamonds. Gemstones. Lab Grown Diamonds.

We’re an established jewelry shop in New York City with a reputation for honesty, distinguished service and exquisite jewelry. Our prices make our pieces accessible to all.

Whether you’re looking for wedding jewelry, loose diamonds, gemstones, or lab grown diamonds, we’re committed to ensuring you find the perfect piece. We can also work with you to create your own customized jewelry designs.

Call to discuss your jewelry, diamond, or gemstone needs: 1-212-819-0033.In addition to our fine selection of diamonds and jewelry in store in New York City, we offer the following services:

Custom jewelry designs

Remodelling of your diamonds and colored stones

Jewelry repair

Purchase of estates, gold and diamonds

Appraisals

Diamond and colored stone re-cutting

Gem identification and appraisals

Mined and lab grown diamonds with GIA, IGI, GCAL certificates

Lab grown diamonds

Gold, diamonds and estates purchased

Honest and unbiased advice

After ten years in business, Katz Jewelry Company expanded to include David and Rose’s son, Julius, their daughter, Susie, and their son-in-law, Peter Kahan. A graduate of the Gemological Institute of America, Peter is certified in colored stones, gem identification, diamond grading and colored stone grading. Susie Kahan specializes in antique jewelry and jewelry design, and has a degree from the Fashion Institute of Technology in Jewelry Design.

What We Do

Partners Peter Kahan, Susie Kahan and Julius Katz continue to offer the same personalized service that made Katz Jewelry Company such a success. Specializing in custom design and special orders, Katz Jewelry Company offers their clients the kind of expertise that only nearly 50 years of experience in the jewelry business can provide.

Whether you’re looking for a simple gold necklace, an antique diamond pendant, a classic engagement ring or a unique wedding band, Katz Jewelry Company will take the take the time to find what you’re really looking for and help you create the jewelry you’ve always wanted.