Home to one of the largest, most unique diamond jewelry collections in New York, catering to any & all diamond Jewelry needs since 1975. Explore our selection of authentic diamond jewelry, featuring both natural earth-mined and lab-grown options. We provide a risk-free shopping experience for all our clients. All of our products are made in-house, with the most preeminent materials with extreme craftsmanship. These factors alone have driven thousands of people to Leon Diamond and have made them clients for life, including many celebrities.

Set up a private appointment in store or get in touch, virtually, with one of our educated team members. Either send us a chat in the bottom right-hand corner or call us at 212-302-7327.