| Business | Phone |
| A Barzilay Diamond Inc 580 5th Ave, New York 10036 | (212) 382-0321 |
| Ace Diamond Corp 30 W 47th St, New York 10036 | (212) 730-8231 |
| Csl & Co 20 W 47th St # 409, New York 10036 | (212) 302-9150 |
| Cwirn Lazar Inc 71 W 47th St, New York 10036 | (212) 719-2899 |
| American Gemological Rplcmnt 5 W 47th St, New York 10036 | (212) 768-2510 |
| Danny Moses Diamonds 10 W 47th St # 905a, New York 10036 | (212) 221-6895 |
| Amr 36 W 47th St # 1004, New York 10036 | (212) 869-3788 |
| Arden Co 31 W 47th St # 1602, New York 10036 | (212) 944-8582 |
| Aron Kaufman & Co 589 5th Ave # 1307, New York 10017 | (212) 486-5732 |
| Ernest Deutsch 15 W 47th St, New York 10036 | (212) 575-1965 |
| Dia Angels Inc 2 W 46th St # 1102a, New York 10036 | (212) 391-1363 |
| Diamonds By Rennie Ellen 15 W 47th St # 503, New York 10036 | (212) 869-5525 |
| Avizov Diamond Corp 62 W 47th St # 1201, New York 10036 | (212) 575-1285 |
| Dresdiam Inc 36 W 47th St # 1008, New York 10036 | (212) 819-0767 |
| Louis H Bernstein 589 5th Ave # 14, New York 10017 | (212) 593-1626 |
| Dynamic Diamond Corp 580 5th Ave # 501, New York 10036 | (212) 575-8880 |
| Joseph Billet 36 W 47th St # 303, New York 10036 | (212) 819-0695 |
| Birnbaum & Birnbaum 2 Tudor City Pl, New York 10017 | (212) 661-6666 |
| Wilson A Borrero 15 W 47th St # 302, New York 10036 | (212) 575-0975 |
| Bright Sun Khh Inc 62 W 47th St, New York 10036 | (212) 391-7591 |
| C E Lapidary Inc 110 W 47th St, New York 10036 | (212) 246-8275 |
| Engelack Gem Corp 37 W 47th St # 500, New York 10036 | (212) 719-3094 |
| Fine-Cut Diamonds 71 W 47th St # 902, New York 10036 | (212) 575-8780 |
| Flanders Diamond Usa 1200 Avenue Of The Americas, New York 10036 | (212) 302-0099 |
| Joe Franklin 147 W 42nd St, New York 10036 | (212) 221-1693 |
| David Garcia 10 W 47th St # 1404, New York 10036 | (212) 768-7815 |
| Samuel Gellis 36 W 47th St # 809, New York 10036 | (212) 719-4249 |
| Samuel Gluck 580 5th Ave # 906a, New York 10036 | (212) 302-8120 |
| Igor Goldfarb 71 W 47th St, New York 10036 | (212) 869-8460 |
| Aron Halperin 36 W 47th St, New York 10036 | (212) 840-7850 |
| Yona Hershkowitz 36 W 47th St # 1601, New York 10036 | (212) 840-0398 |
| Freddie Herzfeld 580 5th Ave, New York 10036 | (212) 719-5978 |
| Abraham Horwitz 580 5th Ave, New York 10036 | (212) 382-0229 |
| I Starck Co Inc 1200 Ave Of The Americas # 6, New York 10036 | (212) 302-1101 |
| Igal Bakshi Inc 71 W 47th St, New York 10036 | (212) 354-0092 |
| Issac Klein Inc 20 W 47th St # 407, New York 10036 | (212) 398-1880 |
| J Anker Diamond Co 15 W 47th St # 1406, New York 10036 | (212) 819-0388 |
| Jamie Services 36 W 47th St, New York 10036 | (212) 719-2736 |
| Jds Jewelry Designs Ltd 55 W 47th St # 145a, New York 10036 | (212) 869-6230 |
| Jonathan Doppelt Inc 579 5th Ave # 1800, New York 10017 | (212) 308-4850 |
| Joshua S Deutsch & Co 22 W 48th St, New York 10036 | (212) 869-5216 |
| Kaleko Brothers 580 5th Ave # 928, New York 10036 | (212) 819-0100 |
| Karat Diamond Setter 55 W 47th St # 890, New York 10036 | (212) 391-1414 |
| Kfk Diamond Cutters Inc 10 W 47th St, New York 10036 | (212) 398-1568 |
| Abraham Klein 20 W 47th St, New York 10036 | (212) 719-1266 |
| Jean Kokinakis 18 E 48th St # 12, New York 10017 | (212) 593-1873 |
| Lapidist Gems 78 W 47th St, New York 10036 | (212) 840-8320 |
| Laser Sawing Svc Inc 71 W 47th St, New York 10036 | (212) 869-2449 |
| Tyberg & Bornstein Diamonds 580 5th Ave # 1406, New York 10036 | (212) 921-8545 |
| U Doppelt & Co 590 5th Ave # 1800, New York 10036 | (212) 644-9760 |
| U S Diamond Cutters Inc 579 5th Ave, New York 10017 | (212) 593-0909 |
| Udb Industries Inc 30 W 47th St, New York 10036 | (212) 719-1125 |
| W B David Co 15 W 47th St # 500, New York 10036 | (212) 719-2220 |
| Israel Weisz 71 W 47th St, New York 10036 | (212) 869-9113 |
| William Goldberg Diamond Corp 589 5th Ave # 14, New York 10017 | (212) 980-4343 |
| Witriol Mates 580 5th Ave # 2008, New York 10036 | (212) 764-2762 |
| World Wide Diamond Corp 37 W 47th St # 96, New York 10036 | (212) 869-5657 |
| Ariel Yehudaioff 587 5th Ave, New York 10017 | (212) 826-9044 |
| Malcolm R Young 10 W 47th St, New York 10036 | (212) 921-7791 |
| Precision Diamond Cutters Inc 15 W 47th St # 908, New York 10036 | (212) 719-4438 |
| Premier Gem Corp 587 5th Ave # 9, New York 10017 | (212) 319-5151 |
| Rcdc Corp 15 W 47th St # 803, New York 10036 | (212) 382-0389 |
| Rosenberg Brothers 37 W 47th St # 805, New York 10036 | (212) 719-3311 |
| Emanuel Roth 30 W 47th St, New York 10036 | (212) 575-8492 |
| Sabest Inc 1 W 47th St, New York 10036 | (212) 944-0110 |
| Samuel Schick Inc 580 5th Ave # 1105, New York 10036 | (212) 575-8611 |
| Savin Diamonds Inc 580 5th Ave # 810, New York 10036 | (212) 840-3050 |
| Schiff & Co 20 W 47th St, New York 10036 | (212) 582-1721 |
| Set Setting 37 W 47th St # 204, New York 10036 | (212) 398-8412 |
| Amnon Shaar 10 W 47th St # 704, New York 10036 | (212) 221-1522 |
| Levi Shabtai 15 W 47th St, New York 10036 | (212) 302-7393 |
| Stephen Nurick Diamonds 580 5th Ave # 34ph2, New York 10036 | (212) 719-4681 |
| Morris Szochet 580 5th Ave, New York 10036 | (212) 575-1427 |
| Levy Marco 10 W 47th St, New York 10036 | (212) 764-6836 |
| Mayer Gross 20 W 47th St, New York 10036 | (212) 719-9730 |
| Moshe Nanazia 36 W 47th St # 402, New York 10036 | (212) 869-0017 |
| Philip Ougourlian 31 W 47th St, New York 10036 | (212) 391-2145 |
| Juan Pagan 587 5th Ave, New York 10017 | (212) 223-1687 |
| Paul Kaufman Assoc Group 580 5th Ave, New York 10036 | (212) 819-0473 |
| Aramis Perez 71 W 47th St, New York 10036 | (212) 391-6369 |