Updated as of June 2026
Round Euclase
A round cut is the most popular and most brilliant cut, engineered to maximize sparkle. In Euclase (blue, green, colorless, Mohs 7.5) it keeps the color crisp and bright.
Why the round cut works for Euclase
The most popular and most brilliant cut, engineered to maximize sparkle. Euclase has the brightness to carry a round brilliant cut and throw plenty of light. At Mohs 7.5, Euclase holds a crisp round outline and stands up to everyday wear. Treatment to expect: typically untreated.
Other Euclase cuts
More on this stone: Euclase overview, price guide, and the round cut guide across stones.
Frequently asked questions
Does Euclase look good in a round cut?
Yes. Euclase has the brightness to carry a round brilliant cut and throw plenty of light. It is hard enough to hold a crisp outline.
How much does a round Euclase cost?
Euclase runs about $100 to $600 per carat. Shape affects price modestly, with round usually the slight premium.
What setting suits a round Euclase?
Euclase pairs well with white gold, platinum, sterling silver. A solitaire keeps it simple.