| Business | Phone |
| Cyu Gem Stone Jewelry Co 10 W 47th St # 203, New York 10036 | (212) 840-3358 |
| Insu Kang 42 W 48th St, New York 10036 | (212) 302-6593 |
| Qgs Lapidary 23 W 47th St # 703, New York 10036 | (212) 764-2466 |
| Sunlee Gemstone Cutting Co 42 W 48th St, New York 10036 | (212) 221-7126 |