Updated as of June 2026
21st anniversary: Iolite
The traditional gemstone for the 21st wedding anniversary is Iolite (Blue, Violet-blue, Gray). It makes a meaningful, lasting gift.
Frequently asked questions
What is the 21st anniversary gemstone?
The traditional gemstone for the 21st wedding anniversary is Iolite.
What 21st anniversary gift should I buy?
Iolite jewelry is the classic choice: a Iolite ring, pendant, or pair of earrings. Iolite runs about $15 to $150 per carat.