| Year | Stone |
|---|---|
| 1st – 11th | Remembrance |
| 12th | Agate |
| 13th | Moonstone |
| 14th | Moss Agate, Fossilized Ivory |
| 15th | Rock Crystal |
| 16th | Topaz |
| 17th | Amethyst |
| 18th | Garnet |
| 19th | Rose Quartz |
| 20th | Jade |
| 25th | Silver |
| 30th | Pearl |
| 35th | Coral-Jade |
| 40th | Ruby |
| 50th | Gold |
| 55th | Emerald |
| 60th | Diamond |
