Certified Gemstone Dealer Registry
The following registry contains the names of ISG Certified Gemstone Dealers who have studied and passed the required course materials to qualify to be listed on this Certified Gemstone Dealer Registry. These dealers have certified their effort to maintain a high standard of business ethics anywhere in the jewelry and gemstone industry. Listed by Last Name with country of location.
| First Name | Last Name | City | State/Province | Country |
|---|---|---|---|---|
| Chris Pontoppidan Brix | Aagaard | Alleroed | Frederiksborg Amt | DENMARK |
| Essam | Abdalla | Tenefly | New Jersey | USA |
| Mahboub | Abdalah | Milwaukee | Wisconsin | USA |
| Essam | Abdalla | Tenafly | New Jersey | USA |
| Catalina Teresa | Ahlstrom | Nelson | British Columbia | CANADA |
| Mahboob | Ahmad | Dammam | SAUDI ARABIA | |
| KENNETH | AJAKAIYE | ABUJA | NIGERIA | |
| Le Toudjida | Allara | Rockville | Maryland | USA |
| Ahmad Masood | Amanullah | Kabul | AFGHANISTAN | |
| Khusro | Arastu | Ashburn | VA | USA |
| Júlia Luiza Moura de Oliveira | Assunção | Lauro de Freitas | Bahia | BRAZIL |
| Amanda | Austin | Fort Edward | New York | USA |
| Özgür | Aydın | Maltepe | Ankara | Turkey |
| Connor | Barnard | Akron | Ohio | USA |
| Ashton | Barske | Durban | KZN | SOUTH AFRICA |
| Christopher | Baskel | South Haven | Michigan | USA |
| Jacqueline C. | Bell | Olympia | Washington | USA |
| David | Bender | Elk Grove | California | USA |
| Guy | Bernstein | Everett | Washington | USA |
| Terry L. | Biegert | Collinsville | Illinois | USA |
| Barbara I. | Biesk | Amarillo | Texas | USA |
| Bigirimana | Biringiro | Dayton | Ohio | USA |
| Kristine P. | Bondoc | Bonifacio Global City | Manila | PHILIPPINES |
| Danial | Border | Roaring Spring | Pennsylvania | USA |
| Marcia | Brasini-Fowler | New Oxford | Pennsylvania | USA |
| Fausto | Brito e Abreu | Cascais | PORTUGAL | |
| Anibal Santiago | Brizuela | Cordoba | Cordoba | ARGENTINA |
| Ford | Brown | Boulder | Colorado | USA |
| Roger | Brown | Fairbury | Nebraska | USA |
| Renata | Caira | Cape Town | Western Cape | SOUTH AFRICA |
| Michelle | Campbell | Magnolia | Texas | USA |
| Edward | Carpenter | Alamogordo | New Mexico | USA |
| Eileen | Cervellini | Henderson | Nevada | USA |
| Joy Chin-Sze | Chan | Parramatta | NSW | AUSTRALIA |
| Talent | Chari | Carrollton | Texas | USA |
| Pandora | Christy | Spotsylvania | Virginia | USA |
| R. J. | Claydon | Lake Forest | California | USA |
| Keith R. | Coleman | Newport Beach | California | USA |
| Joshua | Conatser | Missoula | Montana | USA |
| Winona | Conn | Kirbyville | Texas | USA |
| Nirvana | Cooke | Gauteng | SOUTH AFRICA | |
| Patrisha A. | Corleto, G.G | Osterville | Massachusetts | USA |
| Samuel Louis | Coxson | Falls Church | Virginia | USA |
| Brendan | Curran | Manchester | New Hampshire | USA |
| Roxanne Selene | D'Alessio | San Luis Obispo | California | USA |
| Jennifer | Dadson | Peterborough | Ontario | CANADA |
| Sam | Dakka | Scottsdale | Arizona | USA |
| Mary | Daku-Walker | Medicine Hat | Alberta | CANADA |
| Brandon M. | Dante | San Rafael | California | USA |
| John F. | Darby | Ventura | California | USA |
| Joby | Davies | Southend-on-Sea | Essex | UNITED KINGDOM |
| Theresa M. | de la Torre | Reedley | California | USA |
| Jessica | Dean | Fayetteville | Pennsylvanie | USA |
| Curtis H. | Delano | Cotlandt Manor | New York | USA |
| Shannon | Denney | Pensacola | Florida | USA |
| Alexander | Didenko | Nice | FRANCE | |
| Christina | Eberhardson | Täby | Täby | SWEDEN |
| Mustafa Abdel Salam | El Husseini | Beirut | LEBANON | |
| Angela M. | Ellis | Kissimmee | Florida | USA |
| Christine | Evans | Mackay | Queensland | AUSTRALIA |
| Janet | Firth | Rockville | Maryland | USA |
| Shelley | FitzGibbon | Orlando | Florida | USA |
| Dr George A | Freibott IV | Nordman | Idaho | USA |
| Ms Beate | Friling | Berlin | Berlin | GERMANY |
| Ruth C. | Gaffney | Queenscliff | Victoria | AUSTRALIA |
| Benjamin | Gallegos | Bellaire | Texas | USA |
| Joann | Galleo | Norristown | PA | USA |
| Africa-USA | Gemstone Hub | Colorado Springs | Colorado | USA |
| Emmanuel W | Geron | Wauconda | Illinois | USA |
| Dawn L. | Gibson | Mount Vernon | New York | USA |
| Michael C. | Gillespie | Pleasanton | Texas | USA |
| Frederick | Gillmore IV | Spring Hill | Florida | USA |
| E. Gary | Glade | Saint Charles | Illinois | USA |
| Adam S. | Green | Sevierville | TN | USA |
| Elias Theodore | Greer | San Angelo | Texas | USA |
| Dr. Jason A | Gregg | Bacolod City | Negros Occidental | PHILIPPINES |
| William J. | Gregory | Aliso Viejo | California | USA |
| Sean | Griffis | Glenview | Illinois | USA |
| Joan | Gruendeman | Circle Pines | Minnesota | USA |
| Mattias Andreas Oskar | Gustafsson | Sodertalje | Valj Region | SWEDEN |
| Brandon Michael | Guy | Windsor | California | USA |
| Valerie J. | Hagedorn | Monte Vista | Colorado | USA |
| Eskinder | Haile | Dover | Delaware | USA |
| Casie C. | Hastings | St. John | Indiana | USA |
| Helene | Halming | Zurich | Switzerland | |
| Ben | Halpin | Chico | California | USA |
| Wendy-Ann (Wah) | Harmer | New Denver | British Columbia | CANADA |
| Mylie | Harper | |||
| Jennifer L. | Hendricks | San Jose | California | USA |
| Robert | Heyer | Red Bank | New Jersey | USA |
| Christopher | Hiatt | Rochester | Indiana | USA |
| Tyrone | Hickmon | Monroe | North Carolina | USA |
| Eleanor | Hirsch | London | Greater London | UNITED KINGDOM |
| Jason D. | Hollis | Manilla | NSW | AUSTRALIA |
| Noah | Houck | Fredericksburg | Virginia | USA |
| Michael | Hubinger | Miami | Florida | USA |
| Ahmed Shabir | Jahangeer | Kabul | AFGHANISTAN | |
| Art | Jeffrey | Bangkok | THAILAND | |
| Mary S | Johannsen | Streetman | Texas | USA |
| Pete | Journey | Houston | Texas | USA |
| Michelle Malulani | Kama | Honolulu | Hawaii | USA |
| Gabriel | Kayumba | Durban | Kwazulu Natal | SOUTH AFRICA |
| Mulugeta Abay | Kebede | Helena | Mountana | USA |
| Hisham R. | Khalaf | Houston | Texas | USA |
| Gina | Kiewatt | LeSueur | MN | USA |
| Donnie | Kim | Richmond Hill | Ontario | CANADA |
| Jill Suzanne | Kornetsky | Kabul | AFGHANISTAN | |
| Jill | Kotowski | Las Vegas | Nevada | USA |
| John | Kramer | Las Vegas | Nevada | USA |
| Vince | LePar | League City | Texas | USA |
| Gerard T. | Lasley | Louisville | Kentucky | USA |
| Linda | Laszlo | Budapest | HUNGARY | |
| Alix | Lee | Rognes | FRANCE | |
| David P. | Lee | Macon | Georgia | USA |
| Karen | Leonardo | Indiana | Pennsylvania | USA |
| James | Lewis | Urangan Hervey Bay | Queensland | AUSTRALIA |
| Helen M. | Lewis | Saginaw | MI | USA |
| MD ALIAS MD | LILA | KUALA TERENGGANU | TERENGGANU | MALAYSIA |
| Kevin | Lilley | Hollesley | UNITED KINGDOM | |
| Chee Ming | Lim | SINGAPORE | ||
| Gabriel | Louren | Boituva | BRAZIL | |
| Jennifer | Louw | Newburgh | New York | USA |
| Anthony | Lujan | Sandy | Utah | USA |
| Donna Jean | Machado | Tampa | Florida | USA |
| Asiya | Mahamed | Birmingham | Westmidland | UNITED KINGDOM |
| Tarnisha Alis | Marbury | Brooklyn | New York | USA |
| Christopher | Martinez | Uvalde | Texas | USA |
| Danielle Marie | Maul | Lewiston | MN | USA |
| Sarah | Maxon | Issaquah | Washington | USA |
| Thomas M | Maxwell | Irmo | South Carolina | USA |
| Susan F. | McCauley | New York | New York | USA |
| Sheena | McClean | Brooklyn | New York | USA |
| Morad | Mclah | Richfield | MN | USA |
| Kelly | McKnight-Smith | Schertz | Texas | USA |
| Diane | McWilliams | Homewood | Illinois | USA |
| Alexandre Luis Viana | Monteiro | Braga | PORTUGAL | |
| Gary W. | Morris | Woodbridge | New Jersey | USA |
| Doreen | Motsi | Allen | Texas | USA |
| Kudakwashe | Mujeka | Harare | Harare | ZIMBABWE |
| David | Mullins | Van Wert | Ohio | USA |
| MARIANA | MUSAT | Calgary | Alberta | CANADA |
| Hajra | Naeem | Miami | Florida | USA |
| Ibrahim .A | Nasir | ALKHOBAR | ALKHOBAR | SAUDI ARABIA |
| Reemo S. | Nasoordeen | Glendale | CA | USA |
| Richard A. | Nehls | Long Beach | California | USA |
| Deborah L. | O'Donnell | Ontario | California | USA |
| Kjell Marius | Oersland | Dalane | NORWAY | |
| Gichuchu | Okeno | Voi | Coast | Kenya |
| Talatu | Olulana | Festac town | Lagos | NIGERIA |
| Michelle S. | O'Sullivan | Oceanside | California | USA |
| Irmi | Oswald | Arlington Heights | Illinois | USA |
| Yvonne | Parker | Kingston | New York | USA |
| Linda | Pawlowski | Buffalo | New York | USA |
| Russ | Pate | Indialantic | FL | USA |
| Erika | Pearson | Dobbins | California | USA |
| Dawn E. | Peters | Bartlett | Illinois | USA |
| Allen | Petersen | East Granby | Connecticut | USA |
| Sharon | Pike | Wautoma | Wisconsin | USA |
| Joanna | Piniuta | Dublin | Dublin | IRELAND |
| Eduardo | Portu | San Juan | Puerto Rico | USA |
| Paul | Raison | QingXiu Dist. | Guangxi Province | CHINA |
| Rasul | Rajabov | Prague | CZECH REPUBLIC | |
| Jean | Rakoske | Delanson | New York | USA |
| Kaia-Liisa | Reinut | Laulasmaa küla | Keila vald | ESTONIA |
| Gabriel | Reznik | Aventura | Florida | USA |
| Michael S. | Richburg | Snyder | Texas | USA |
| John | RICHOZ | Yannawa | Bangkok | THAILAND |
| Jill | Riebow | Milwaukie | Oregon | USA |
| Randal D. | Rios | Phoenix | Arizona | USA |
| Angela S. | Rios | Phoenix | Arizona | USA |
| Misti | Roese | Circleville | Ohio | USA |
| Samantha | Rogers | Denver | Colorado | USA |
| Rose N | Rubagumya | Dunn Loring | Va | USA |
| Barbara | Rudd | Burlington | Ct | USA |
| Michael | Ruszkowski | Orlando | Florida | USA |
| Gary N. | Satra | Stanwood | Washington | USA |
| William J. | Schrank | Waupun | WI | USA |
| Eric | Schwarz | Scottsdale | AZ | USA |
| Alison DuBois | Scutte | Oldsmar | Florida | USA |
| Prakash | Shamdas | Singapore | Singapore | SINGAPORE |
| W. David | Shoup, Ph. D. | Gainesville | Florida | USA |
| Michael K. | Sikes | Scranton | South Carolina | USA |
| Valerie | Sijan | Galena | MO | USA |
| Robert C. | Snoeberger Jr. | Lawrenceville | Georgia | USA |
| Petr | Sobotka | Praha | Praha | CZECH REPUBLIC |
| BOCCOVI | SOLANGE | LAGOS | LAGOS | NIGERIA |
| MOTAMBO | STEPHANE | Libreville | Estuair | GABON |
| Darwin | Sujaya | Bandung | West Java | INDONESIA |
| Sami | Suominen | Paimio | Varsinais-Suomi | FINLAND |
| Dyan D. | Taylor-Harris | Brandon | Florida | USA |
| Frank Fenix | Theuerkorn | Nanaimo | British Columbia | CANADA |
| Kamilla | Thurzó | Székesfehérvár | HUNGARY | |
| Andrew L. | Tiedje | Hickman | Nebraska | USA |
| Frank | Trankina | Montclair | California | USA |
| Alexey | Tuev | Chelyabinsk | RUSSIA | |
| Lisa A. | Tunis | Tucson | Arizona | USA |
| William Shayne | Turner | Manassas | Virginia | USA |
| Dena D | Utt | Savannah | Missouri | USA |
| Balasubramaniam | Vaithieswaran | Kandy | Central | SRI LANKA |
| Hendrik | van der Merwe | Early | Texas | USA |
| Rosemary | Vargas | Montclair | New Jersey | USA |
| Michael Ian | Vargo | Henderson | Nevada | USA |
| Louis | Vazquez | East Hartford | Connecticut | USA |
| Myda | Visser | Pretoria | Gauteng | SOUTH AFRICA |
| Aaron | Warsaw | Chesterfield | MO | USA |
| Lori A | Wersinger | Lakewood | Colorado | USA |
| Scott A. | Weston | Anderson | California | USA |
| Karen D. | White | Travelers Rest | South Carolina | USA |
| Troy | Whiteside | Langley | B.C. | CANADA |
| Bonnie Graham | Whittinghill | Honolulu | Hawaii | USA |
| Shane | Whyte | Bethania | Queensland | AUSTRALIA |
| Steve | Wiens | Winnipeg | Manitoba | CANADA |
| Georg | Wiesauer | Graz | Steiermark | AUSTRIA |
| Oscar | Williams, Jr | Birmingham | Alabama | USA |
| John R. | Wilson | Raleigh | North Carolina | USA |
| Wayne | Wilson | Austin | Texas | USA |
| M. Karen | Woolf | Lancaster | California | USA |
| James B. | Wootton | Columbus | Ohio | USA |
| Tewodros | Yilma | Washington | DC | USA |
| Janet | Young | Mount Pleasant | Queensland | AUSTRALIA |
| Daniel | Young | Renton | Washington | USA |
| Mashud Fariduddin M. | Yusoff | Singapore | Singapore |