| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| The specific study of diamonds, pearls & amethysts | gemology | $1,600 | DJ | -OLOGIES | 2013-12-03 | #6722 | |
| In this branch of mineralogy, you learn all about precious stones: identifying them, cutting them, appraising them | gemology | $800 | DJ | -OLOGIES | 2010-06-02 | #5933 | |
| It's the field of study for an expert on diamonds, rubies & emeralds | gemology | $800 | J | -OLOGIES | 2003-07-17 | #4364 |