AltGems
Updated as of June 2026

Alexandrite engagement rings

Famous for changing color from green in daylight to red under incandescent light, it is linked to balance and good fortune. Here is how it works in engagement rings specifically.

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Choosing a Alexandrite engagement ring

At Mohs 8.5, Alexandrite is hard enough to hold up well in a engagement ring. For color, look for an even green tone, and match the metal to your skin tone and budget.

Best metals and settings

Alexandrite pairs well with white gold, platinum, yellow gold. A bezel or halo setting adds protection for daily wear. Compare options in our metal guides.

More on this stone: Alexandrite overview, price guide, and care guide.

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Frequently asked questions

Is Alexandrite good for a engagement ring?
At Mohs 8.5, Alexandrite is hard enough to hold up well in a engagement ring.
How much does a Alexandrite engagement ring cost?
The stone itself runs about $500 to $10,000 per carat, and the finished engagement ring price depends on the metal and setting. Alexandrite pairs well with white gold, platinum, yellow gold.
What metal suits a Alexandrite engagement ring?
Alexandrite looks best in white gold, platinum, yellow gold. See our metal guides to weigh durability against cost.