Natural Ring Sets

The Acadia Wedding Ring Set

14 k white gold.

0.25 ct brilliant-cut diamond.

E-F colour and VS-1 clarity.

http://www.etsy.com/listing/112477184/the-acadia-wedding-ring-set-gold-and 

Delicate Leaf Wedding Ring Set

14 k yellow gold, also comes in white and rose gold.
4 mm white sapphire.

http://library.hrmtc.com/2013/02/19/leaf-and-twig-design-ring-sets/ 

Ring sets, usually known for engagement and wedding rings, are rings that are more than one but worn as a single piece or ring. The engagement ring is usually first then the wedding ring fits in with it.

http://library.hrmtc.com/2013/02/19/leaf-and-twig-design-ring-sets/