On the Fifth Day of Christmas...

My true love gave to me Five Gold Rings

Gold stacking rings of course!

$49 via ForkWhisperer on Etsy

Or if your budget is bigger there's this collection of yellow, white, and rose gold rings.

$502 vis Seababejewelry on Etsy

Four calling birds
Three french hens,
Two turtle doves,
and a partridge in a pear tree!