Recently, there was an announcement made by Google that lets us all know that we can now save images to our saved images collection to see them later, or to save them to our collection.
The feature will be available across both desktop and mobile, and is rolling out to US searchers who are logged into their Google account.
In order to save an image to your collection, just search in Google Image search, click on the image and then click on the star icon and word Save.
You can then view your saved images, and then organize them in collections: