Below, we’ve broken down some of the best places to purchase star-worthy engagement rings online — from Blue Nile ‘s ...

A three-carat Lucida-cut ring from Tiffany & Co ... When she's wearing her engagement ring from Phil Bronstein, a three-stone, three-and-a-half-carat emerald-cut style from Louis Glick.

These days, the luxury jeweler is the go-to source for engagement rings ... coveted Tiffany setting. Their version is ...