1st Anniversary – Fresh Water Pearl or Gold

2nd Anniversary- Rose Quartz or Garnet

3rd Anniversary – Crystal or Pearl

4th Anniversary – Amethyst or Blue Topaz

5th Anniversary – Turquoise or Sapphire

6th Anniversary – Garnet or Amethyst

7th Anniversary – Lapis Lazuli or Onyx

8th Anniversary – Aventurine or Tourmaline

9th Anniversary – Tiger Eye or Lapis Luzuli

10th Anniversary – Diamond or Black Onyx

11th Anniversary – Turquoise or Hematite

12th Anniversary – Agate or Jade

13th Anniversary – Citrine, Moonstone or Malachite

14th Anniversary – Opal or Moss Agate

15th Anniversary – Ruby or Crystal

16th Anniversary – Peridot or Aquamarine

17th Anniversary – Citrine or Amethyst
.
18th Anniversary – Cat’s Eye or Opal

19th Anniversary – Topaz or Aquamarine

20th Anniversary – Emerald and Platinum

21st Anniversary – Iolite

22nd Anniversary – Spinel (all Colours)

23rd Anniversary – Imperial Topaz or Sapphire

24th Anniversary – Tanzanite
25th Anniversary – Sterling Silver

30th Anniversary – Pearls or Diamond

35th Anniversary – Emerald, Jade or Coral

40th Anniversary – Ruby

45th Anniversary – Alexandrite or Sapphire

50th Anniversary – Imperial Topaz or Golden Topaz and Gold

55th Anniversary – Emerald or Alexandrite

60th Anniversary – Diamond

65th Anniversary – Star Sapphire

75th Anniversary – Diamond

The above list has been compiled from various American Gem Stone Societies, Associations and other sources