60th Wedding anniversary cake with a little bling.
Diamond anniversary sentiment--could be for 50th also if adapted
Grandparents 50th Anniversary gift from grandchildren!
Personalizado 60 tarjeta de aniversario por laurelcovecreative
Diamond anniversary cake with photo made with edible printing.
Sparkles in Elegance Buttercream Wedding Cake- this is to show you the edible crystals around the cake and the top no 60 (non edible) you could have a couple of flowers in white around the base
60th Diamond Wedding Anniversary cake topper suitable by SoLuvli
Sweet Times Wedding Anniversary Invitation Card by Blonde Designs.
This would be FABULOUS, not as many tiers and silver/diamond sparkles
Idk where this could fit into your story but it's interesting...