Ah, June, the month when so many minds turn to matrimony: Tiffany says it is launching a new app for iPhones to make finding the perfect engagement ring easier. It includes a ring-sizing feature,
which it claims is the first of its kind from a jeweler. Users place one of their own rings on the screen, and align it with the correct circle in the guide. Users can also browse the famous
collection by shape, setting, metal or design, and rings can be viewed with diamonds of up to six different carat sizes. It also allows users to zoom in on details, find a matching wedding bands, and
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