Updated as of June 2026
Round Tanzanite
Tanzanite in a round cut pairs the most popular and most brilliant cut with Tanzanite's blue, violet-blue, purple color and Mohs 6.5 hardness.
Why the round cut works for Tanzanite
The most popular and most brilliant cut, engineered to maximize sparkle. Tanzanite has the brightness to carry a round brilliant cut and throw plenty of light. At Mohs 6.5, Tanzanite is softer, so a round Tanzanite is best protected by a bezel or halo and kept for lighter wear. Treatment to expect: heat treatment (nearly all stones).
Other Tanzanite cuts
More on this stone: Tanzanite overview, price guide, and the round cut guide across stones.
Frequently asked questions
Does Tanzanite look good in a round cut?
Yes. Tanzanite has the brightness to carry a round brilliant cut and throw plenty of light. At Mohs 6.5 it is best in a protective setting.
How much does a round Tanzanite cost?
Tanzanite runs about $100 to $1,200 per carat. Shape affects price modestly, with round usually the slight premium.
What setting suits a round Tanzanite?
Tanzanite pairs well with white gold, platinum. Choose a bezel or halo to protect the stone.