Katz Jewelry Co. New York City, NY

Wedding Jewelry - Diamonds - Lab Grown Diamonds

If you’re looking for jewelry such as an engagement ring, loose diamonds, gemstones, other wedding jewelry or lab grown diamonds, we’re committed to ensuring you find the perfect piece. We can also work with you to create unique and customized jewelry designs.
Find us in New York City’s Diamond District.

Engagement Rings

Custom Engagement Rings

Visit our New York store to find your special someone the ring of their dreams. We can also work with you to create your own custom engagement ring design.

Lab Grown Diamonds

The Real Deal

Lab grown diamonds are affordable with the quality and beauty of a mined diamond. The only difference is the humane and environmentally friendly method in which they are grown. Learn more about lab grown diamonds and our commitment to supporting their presence in the diamond market.


Pendant and Chain Designs

Let a Katz Jewelry necklace or pendant be the sparkle around your neck. Contact us to customize your next chain or come to the store and see what unique necklaces we have.

Katz Services

Customers Old Ring

Additional Jewelry Services:

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 coloured 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

Katz Jewelry Company, New York, NY

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.

Call to discuss your jewelry, diamond or gemstone needs: