ISG Certified Gemstone Dealer Registry

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 NameLast NameCityState/ProvinceCountry
Chris Pontoppidan Brix AagaardAlleroedFrederiksborg AmtDENMARK
EssamAbdallaTeneflyNew JerseyUSA
Mahboub AbdalahMilwaukeeWisconsinUSA
Essam AbdallaTenaflyNew JerseyUSA
Catalina Teresa AhlstromNelsonBritish ColumbiaCANADA
Mahboob AhmadDammamSAUDI ARABIA
KENNETHAJAKAIYEABUJANIGERIA
Le ToudjidaAllaraRockvilleMarylandUSA
Ahmad MasoodAmanullahKabulAFGHANISTAN
Júlia Luiza Moura de Oliveira AssunçãoLauro de FreitasBahiaBRAZIL
AmandaAustinFort EdwardNew YorkUSA
Özgür AydınMaltepe Ankara
Turkey
Connor  BarnardAkronOhioUSA
AshtonBarskeDurbanKZNSOUTH AFRICA
Christopher BaskelSouth  HavenMichiganUSA
Jacqueline C. BellOlympiaWashingtonUSA
DavidBenderElk Grove
CaliforniaUSA
Terry L.BiegertCollinsvilleIllinoisUSA
Barbara I.BieskAmarilloTexasUSA
Kristine P.BondocBonifacio Global CityManilaPHILIPPINES
Danial BorderRoaring SpringPennsylvaniaUSA
MarciaBrasini-FowlerNew OxfordPennsylvaniaUSA
FaustoBrito e AbreuCascaisPORTUGAL
Anibal Santiago BrizuelaCordobaCordobaARGENTINA
Ford BrownBoulderColoradoUSA
Roger BrownFairburyNebraskaUSA
Renata CairaCape TownWestern CapeSOUTH AFRICA
MichelleCampbellMagnoliaTexasUSA
EdwardCarpenterAlamogordoNew MexicoUSA
Eileen CervelliniHendersonNevadaUSA
Joy Chin-Sze ChanParramattaNSWAUSTRALIA
Talent ChariCarrolltonTexasUSA
PandoraChristySpotsylvaniaVirginiaUSA
R. J.ClaydonLake ForestCaliforniaUSA
Keith R. ColemanNewport BeachCaliforniaUSA
Joshua ConatserMissoulaMontanaUSA
Winona ConnKirbyvilleTexasUSA
NirvanaCookeGautengSOUTH AFRICA
Patrisha A.Corleto, G.GOstervilleMassachusetts USA
Samuel Louis CoxsonFalls ChurchVirginiaUSA
Brendan CurranManchesterNew HampshireUSA
Roxanne SeleneD'AlessioSan Luis ObispoCaliforniaUSA
Jennifer DadsonPeterboroughOntarioCANADA
SamDakkaScottsdaleArizonaUSA
Mary Daku-WalkerMedicine HatAlbertaCANADA
Brandon M.DanteSan RafaelCaliforniaUSA
John F. DarbyVenturaCaliforniaUSA
Joby DaviesSouthend-on-SeaEssexUNITED KINGDOM
Theresa M. de la TorreReedleyCaliforniaUSA
Jessica DeanFayettevillePennsylvanieUSA
Curtis H. DelanoCotlandt ManorNew YorkUSA
Shannon DenneyPensacolaFloridaUSA
Alexander DidenkoNiceFRANCE
Christina EberhardsonTäbyTäbySWEDEN
Mustafa Abdel SalamEl HusseiniBeirutLEBANON
Angela M. EllisKissimmeeFloridaUSA
Christine Evans MackayQueensland AUSTRALIA
Janet FirthRockvilleMarylandUSA
Shelley FitzGibbonOrlandoFloridaUSA
Dr George AFreibott IVNordmanIdahoUSA
Ms Beate FrilingBerlinBerlinGERMANY
Ruth C. GaffneyQueenscliffVictoriaAUSTRALIA
Benjamin GallegosBellaireTexasUSA
JoannGalleoNorristownPAUSA
Africa-USA Gemstone HubColorado SpringsColoradoUSA
Emmanuel W GeronWaucondaIllinoisUSA
Dawn L. GibsonMount VernonNew YorkUSA
Michael C. GillespiePleasantonTexasUSA
FrederickGillmore IVSpring HillFloridaUSA
E. Gary GladeSaint CharlesIllinoisUSA
Adam S.GreenSeviervilleTNUSA
Elias Theodore GreerSan AngeloTexasUSA
Dr. Jason A GreggBacolod CityNegros OccidentalPHILIPPINES
William J. GregoryAliso ViejoCaliforniaUSA
Sean GriffisGlenviewIllinoisUSA
Mattias Andreas OskarGustafssonSodertaljeValj RegionSWEDEN
Brandon MichaelGuyWindsorCaliforniaUSA
Valerie J. HagedornMonte VistaColoradoUSA
EskinderHaileDoverDelawareUSA
Casie C.HastingsSt. JohnIndianaUSA
Helene HalmingZurichSwitzerland
Ben HalpinChicoCaliforniaUSA
Wendy-Ann   (Wah)Harmer New DenverBritish ColumbiaCANADA
Mylie Harper
Jennifer L.HendricksSan JoseCaliforniaUSA
Robert HeyerRed BankNew JerseyUSA
Christopher HiattRochesterIndianaUSA
Tyrone HickmonMonroeNorth CarolinaUSA
Eleanor HirschLondonGreater LondonUNITED KINGDOM
Jason D.HollisManillaNSWAUSTRALIA
Noah HouckFredericksburgVirginiaUSA
MichaelHubingerMiamiFloridaUSA
Ahmed ShabirJahangeerKabulAFGHANISTAN
ArtJeffreyBangkokTHAILAND
Mary S JohannsenStreetmanTexasUSA
Pete JourneyHoustonTexasUSA
Michelle Malulani KamaHonoluluHawai’iUSA
GabrielKayumbaDurbanKwazulu NatalSOUTH AFRICA
Mulugeta AbayKebedeHelenaMountanaUSA
Hisham R. KhalafHoustonTexasUSA
GinaKiewattLeSueurMNUSA
DonnieKimRichmond HillOntarioCANADA
Jill SuzanneKornetsky KabulAFGHANISTAN
JillKotowskiLas VegasNevadaUSA
JohnKramerLas VegasNevadaUSA
VinceLeParLeague CityTexasUSA
Gerard T.LasleyLouisvilleKentuckyUSA
LindaLaszloBudapestHUNGARY
AlixLeeRognesFRANCE
David P. LeeMaconGeorgiaUSA
Karen LeonardoIndianaPennsylvaniaUSA
JamesLewisUrangan Hervey Bay QueenslandAUSTRALIA
Helen M. LewisSaginawMIUSA
MD ALIAS MD LILAKUALA TERENGGANUTERENGGANUMALAYSIA
Kevin LilleyHollesleyUNITED KINGDOM
Chee Ming LimSINGAPORE
GabrielLourenBoituvaBRAZIL
Jennifer LouwNewburghNew YorkUSA
AnthonyLujanSandyUtahUSA
Donna Jean MachadoTampaFloridaUSA
Asiya MahamedBirminghamWestmidlandUNITED KINGDOM
Tarnisha Alis MarburyBrooklynNew YorkUSA
Danielle Marie MaulLewistonMNUSA
Sarah MaxonIssaquahWashingtonUSA
Thomas M MaxwellIrmoSouth CarolinaUSA
Susan F. McCauleyNew YorkNew YorkUSA
Sheena McCleanBrooklynNew YorkUSA
Morad MclahRichfieldMNUSA
KellyMcKnight-SmithSchertzTexasUSA
Diane McWilliamsHomewoodIllinoisUSA
Alexandre Luis VianaMonteiroBragaPORTUGAL
Gary W. MorrisWoodbridgeNew JerseyUSA
DoreenMotsiAllenTexasUSA
Kudakwashe MujekaHarareHarareZIMBABWE
David MullinsVan WertOhioUSA
MARIANA MUSATCalgaryAlbertaCANADA
Hajra NaeemMiamiFloridaUSA
Ibrahim .ANasir ALKHOBARALKHOBARSAUDI ARABIA
Reemo S. NasoordeenGlendaleCAUSA
Richard A. NehlsLong BeachCaliforniaUSA
Deborah L.O'DonnellOntarioCaliforniaUSA
Kjell Marius OerslandDalaneNORWAY
Gichuchu OkenoVoiCoastKenya
Talatu OlulanaFestac townLagosNIGERIA
Michelle S.O'SullivanOceansideCaliforniaUSA
Irmi OswaldArlington HeightsIllinoisUSA
Yvonne ParkerKingstonNew YorkUSA
Linda PawlowskiBuffaloNew YorkUSA
Erika PearsonDobbinsCaliforniaUSA
Dawn E. PetersBartlettIllinoisUSA
Allen PetersenEast GranbyConnecticut USA
SharonPikeWautomaWisconsinUSA
Joanna PiniutaDublinDublinIRELAND
EduardoPortuSan JuanPuerto RicoUSA
PaulRaisonQingXiu Dist.Guangxi ProvinceCHINA
Rasul RajabovPragueCZECH REPUBLIC
Jean RakoskeDelanson
New YorkUSA
Kaia-Liisa ReinutLaulasmaa külaKeila valdESTONIA
Gabriel ReznikAventuraFloridaUSA
Michael S. RichburgSnyderTexasUSA
John RICHOZYannawaBangkokTHAILAND
Jill RiebowMilwaukieOregonUSA
Randal D. RiosPhoenixArizonaUSA
Angela S.RiosPhoenixArizonaUSA
Misti RoeseCirclevilleOhioUSA
Samantha RogersDenverColoradoUSA
Rose N RubagumyaDunn LoringVaUSA
Barbara RuddBurlingtonCtUSA
Michael RuszkowskiOrlandoFloridaUSA
Gary N. SatraStanwoodWashingtonUSA
William J. SchrankWaupunWIUSA
Eric SchwarzScottsdale AZUSA
Alison DuBois ScutteOldsmarFloridaUSA
Prakash Shamdas SingaporeSingaporeSINGAPORE
W. DavidShoup, Ph. D.GainesvilleFloridaUSA
Michael K.SikesScrantonSouth CarolinaUSA
Valerie SijanGalenaMOUSA
Robert C. Snoeberger Jr.LawrencevilleGeorgiaUSA
Petr SobotkaPrahaPrahaCZECH REPUBLIC
BOCCOVI SOLANGELAGOSLAGOSNIGERIA
MOTAMBO STEPHANELibrevilleEstuairGABON
Darwin SujayaBandungWest JavaINDONESIA
SamiSuominenPaimioVarsinais-SuomiFINLAND
Dyan D.Taylor-HarrisBrandonFloridaUSA
Frank “Fenix” TheuerkornNanaimoBritish ColumbiaCANADA
Andrew L. TiedjeHickmanNebraskaUSA
FrankTrankinaMontclairCaliforniaUSA
AlexeyTuevChelyabinskRUSSIA
Lisa A.TunisTucsonArizonaUSA
William Shayne TurnerManassasVirginiaUSA
Dena D UttSavannahMissouriUSA
Balasubramaniam VaithieswaranKandyCentralSRI LANKA
Hendrik van der MerweEarlyTexasUSA
Rosemary VargasMontclairNew JerseyUSA
Michael IanVargoHendersonNevadaUSA
LouisVazquezEast HartfordConnecticutUSA
MydaVisserPretoriaGautengSOUTH AFRICA
AaronWarsawChesterfieldMOUSA
Lori A WersingerLakewoodColoradoUSA
Scott A. WestonAndersonCaliforniaUSA
Karen D. WhiteTravelers RestSouth CarolinaUSA
Troy WhitesideLangleyB.C.CANADA
Bonnie Graham WhittinghillHonoluluHawaiiUSA
ShaneWhyteBethaniaQueenslandAUSTRALIA
Steve WiensWinnipeg ManitobaCANADA
Georg WiesauerGrazSteiermarkAUSTRIA
Oscar Williams, JrBirminghamAlabamaUSA
John R. WilsonRaleighNorth CarolinaUSA
WayneWilsonAustinTexasUSA
M. Karen WoolfLancasterCaliforniaUSA
James B.WoottonColumbusOhioUSA
Tewodros YilmaWashingtonDCUSA
Janet YoungMount PleasantQueenslandAUSTRALIA
Daniel YoungRentonWashingtonUSA
Mashud Fariduddin M.YusoffSingaporeSingapore