a necklace with a central cluster of gemstones made up of the same number of years you have been married. The stone could be the same as that of her engagement ring or the anniversary stone for that year.

Option 2:

a necklace incorporating the anniversary stone or the engagement ring stone. This one includes topaz, the anniversary stone for the 23rd year.

Option 3:

a necklace representing the date of your wedding.

Option 4:

a necklace incorporating the stone of the country where you met/ spent your honey moon/ got engaged. This, for example, contains opal which represents Austria.