2. These rings that leave tiny imprints:
Couples that buy these say that if you keep it on for a really long time, the little heart becomes virtually permanent on your skin. Find them here for $325.
3. This moving gears ring:
The gears move when the outer rims are spun. There's also a matching heart shaped necklace to go with it. Find it here for $165.
4. This ring to record your love:
5. These mountain range rings:
The peak and valleys are designed to interlock. Find them here for $90.84.
6. This ring with a hidden message:
Find them here for $495-$6125 (depending on the metal and stone).
7. This teeny heart ring:
A tiny reminder that the other half of your heart has the other ring. Find them here for $325.
8. This moon phase ring:
You can get it customized with the moon phase of a special date. Find it here for $56.82.
11. These screw rings:
Because the bond you share is tougher than nails (screws?). Find them here for $189.
14. This illuminated ring:
15. These rings that answers the question of who loves who more:
(The answer is you love each other equally, now stop.) Find them here for $40.
17. This projection ring:
This ring was made as a project by the insanely talented Luke Jerram, and when light is passed through the ring, it projects a series of tiny portraits. Unfortunately it's not available for sale but you can read about it and the other amazing rings Luke has created here.