Look for durable gemstone engagement rings, such as those made with sapphires, rubies and emeralds. One thing to keep in mind: Sapphire, ruby, topaz, aquamarine and amethyst are some of the most ...

This rainbow moonstone sparkler is surrounded by cubic zirconia stones on a sterling silver, gold-plated band. Funkier than a traditional engagement ... this topaz and amethyst ring makes it ...