The variety of apps is getting more and more impressive and there is really no point in life where you just cannot find an app for it.
The famous Tiffany and Co. jeweler just launched and Engagement Rings Finder, which will be available on ITunes on June 14th.

The app is targeted towards men, so they can save the time fighting for some consulting in one of the well-visited Tiffany stores.
The engagement ring app has 6 different sections:

1. Find the perfect engagement ring
2. Your saved rings
3. Find the correct size
4. The Tiffany Difference
5. Expert consulting

You can even use the saved rings and share them on FB or Twitter