| Rating | Solver | Clue |
|---|---|---|
| OPAL | Iridescent precious stone | |
| JADE | Semi-precious stone | |
| SAPPHIRE | Precious stone | |
| ONYX | Semi-precious stone | |
| BERYL | Precious stone | |
| DIAMOND | Precious stone | |
| SARD | Precious stone | |
| EMERALD | Precious stone | |
| GEM | Precious stone | |
| JEWEL | Precious stone | |
| RUBY | Precious stone | |
| GARNET | Precious stone | |
| STONE | A precious stone; a gem. | |
| LIGURE | A kind of precious stone. | |
| ONYCHA | The precious stone called onyx. | |
| SARDEL | A precious stone. See Sardius. | |
| AMETHYST | A semi-precious stone of violet colour | |