Client List

• ALEXANDERS JEWELERS, FARNHAM, REGATE & GUILFORD, ENGLAND
• ANGUS & COOTE, SYDNEY AUSTRALIA
• ALEXANDERS JEWELERS, FARNHAM, REGATE & GUILFORD, UK
• ASQUITH JEWELERS, SHEFFIELD, DARLINGTON & YORK, UK
• BARON & LEEDS, MAUI, HAWAII
• BIG ISLAND JEWELERS KONA, HAWAII
• BLOOMINGDALE'S FINE JEWELRY DEPTS., NEW YORK CITY & WHITE PLAINS, NY
• BOODLE & DUNTHORNE, LONDON
• H. L. BROWN & SONS LTD. SHEFFIELD, UK
• CARTIER, NEW YORK CITY, BEVERLY HILLS, HOUSTON & PALM BEACH
• CATHERINE BEST DESIGNS, GUERNSEY & JERSEY, CHANNEL ISLANDS, UK
• COLOMBIAN EMERALDS INTERNATIONAL, NASSAU & FREEPORT, BAHAMAS
• DE BEERS LV, NEW YORK CITY
• THE DIAMOND SHOP, AUCKLAND, NEW ZEALAND
• DRAKES FINE JEWELERS, PLYMOUTH, UK
• DUNCAN & BOYD JEWELERS, AMARILLO, AUSTIN & SAN ANTONIO, TX
• EVOKE INTERNATIONAL, WORLD WIDE TRAINING ON MAJOR CRUISE LINES
• GEMOLOGICAL INSTITUTE OF AMERICA, CARLSBAD, CA
• GEORGE PRAGNELL JEWELERS, STRATFORD, UK
• GOLD CASTERS, BLOOMINGTON, IN
• H. STERN, NEW YORK, EUROPE, ISRAEL, SOUTH AMERICA, ST. THOMAS, USVI
• HART JEWELERS, GRANTS PASS, OR
• J.C. PENNEY FINE JEWELRY DEPTS
• JOE'S JEWELRY, ST. MARTIN, NETHERLAND ANTIILES
• LA MAISON D'OR, OTTOWA, CANADA
• LITTLE SWITZERLAND, KEY WEST, ARUBA, CURACAO, BARBADOS & ALASKA
• MAUI DIVERS, MAUI HAWAII & SAN FRANCISCO
• MOSES JEWELERS, BUTLER, PA
• PRYORS, LIVERPOOL & WARRINGTON, UK
• SAKS FIFTH AVENUE, PORTLAND, OR 
• SOLOMON'S MINES, NASSAU, BAHAMA
• STARBOARD CRUISE SERVICES, WORLD WIDE TRAINING ON MAJOR CRUISE LINES
• TAHIA COLLINS BOUTIQUES, PAPEETE, MOOREA & BORA BORA, TAHITI
• TIVOL'S, KANSAS CITY

LEONARD ZELL IS A FREQUENT SPEAKER AT THE JCK CONVENTION IN LAS VEGAS AND HAS ALSO CONDUCTED SEMINARS FOR MANY STATE JEWELRY ASOCIATIONS.