Diamonds are a girls best friend

Imagine it is your wedding day. You need "something borrowed, something blue" and want your dad to walk you down the aisle. Imagine how much fun it would be if you could accomplish all three things at the same time even though your Dad died a few weeks ago!

But how?

Well...your mother could have his ashes turned into a created blue diamond and you could borrow it for your walk down the aisle. No, no...that has already been done, now it is just cliched...