Chi è o era il più grande Gemmologo?

• 1

  Wendela Horz

  144798

  52588

  144798 Votes
• 2

  Kara Ross

  25137

  9444

  25137 Votes
• 3

  

  Abdallah Chatila

  20245

  6038

  20245 Votes
• 4

  Marcel Tolkowsky

  8368

  3130

  8368 Votes
• 5

  Anne-Katrin Hoffmann

  6803

  1542

  6803 Votes
• 6

  Richard Taaffe

  4569

  1824

  4569 Votes
• 7

  

  Eduard Josef Gübelin

  2164

  802

  2164 Votes
• 8

  Jerry Sisk, Jr.

  2099

  780

  2099 Votes
• 9

  

  Jaume Ferrer de Blanes

  888

  118

  888 Votes
• 10

  Jürgen Abeler

  874

  342

  874 Votes
• 11

  Gabriela Breisach

  388

  62

  388 Votes
• 12

  Karin Schlager

  306

  100

  306 Votes
• 13

  Gertrud Seidmann

  250

  86

  250 Votes
• 14

  Fred Ward

  62

  26

  62 Votes
• 15

  Louise Joyner

  0

  0

  Votes
• 16

  Henry Colton Shumway

  0

  0

  Votes