An example of an aquamarine engagement ring set. Aquamarine is the birthstone for march and symbolizes happiness and everlasting youth.

Tip #2- Choosing the Perfect Color: Gemstones come in every color of the rainbow and as mentioned in Tip #1, there are many ways to choose a color that you would like as a gemstone engagement ring such as birthstones, etc. As a general guideline, if she wants a soft subtle color, try aquamarine, green amethyst, citrine, yellow sapphire or light pink sapphire. For a bold, primary color look, try blue sapphire, ruby or emerald. Jewel tones would include amethyst, ruby, blue sapphire, green tourmaline and orange sapphire.