Bands

Bands
Titanium

Bands
Sterling silver

\A plain band that is usually given to a bride or to the groom at a wedding.

http://www.thefreedictionary.com/wedding+band

Signet Rings

Signet ring
Corporate signet ring
Sterling silver

Signet ring
Vintage Tiffany & Co. Scottish Crest Signet Ring
14 ct gold

A Signet ring is a ring that has a engraved signet on top of the ring (a symbol). This ring is also known as a Seal ring

http://www.thefreedictionary.com/signet+ring