Ah, your ring is absolutely gorgeous!
I'm not sure what eternity/anniversary bands are supposed to represent - I guess whatever the giver wants it to represent? I have 3 eternity bands that I wear on my right hand ring finger. One is a shared prong setting of diamonds, one is the same but with alternating diamonds and sapphires, the third is the Tiffany 'swing' ring (has a little design to the setting, with a small amount of diamonds, maybe a half carat or so). My husband has given them to me for birthdays or Christmas the past few years. I absolutely love them - they sparkle so! There's something about smaller diamonds that I love - the way they sparkle almost like glitter. It's an effect you just can't get from larger diamonds.