Hi Amanda,
I used these for a wedding cake on top of black velvet ribbon which looked lovely. Close up there not really diamante but from a distance they are convincing. Here’s a link to the trim on Amazon and also the cake so you can see what I mean. https://www.amazon.co.uk/eBoot-Rhinestone-Birthday-Decorations-Projects/dp/B01FEZX5DY/ref=sr_1_2?ie=UTF8&qid=1489409944&sr=8-2&keywords=diamante+ribbon
http://cakesdecor.com/cakes/165236-magnificently-monochrome-with-red-tulips
karen,Gwynedd
