Resin Stacking Ring Black Gold Flakes Thin Small Ring by daimblond
The knot ring. Displays a knot the is not fully tied yet, but if fully intended to be. A perfect promise ring.
Wreath Ring...this with the rubies in that too small ring and some of the extra diamonds left from the other ring.
Ring stacking perfection
Delicate and pretty gold rings, perfect for stacking
Rose Gold Stackings Rings: Minimalist Jewelry by BlueRidgeNotions
constellation ring in Gold | Necessary Clothing
But from USA :( And wouldn't want them all, get too expensive by faar Gold Filled Opal Ring Stacking Ring Opal 14k Gold Ring by Fondeur
Small ring with a nice sized diamond, like the idea that it's not a straight band. Image Source: http://media-cache-ec0.pinimg.com/originals/28/08/35/2808350cbfb5d66d43e303a73cc25821.jpg