The LEO is designed to function either solely as an R.I. meter, a colorless synthetic diamond screener for mounted stones or with both capabilities together for loose stones. Before using this tester, you must first determine if the stone is a diamond using your loupe or the MANTIS diamond & moissanite tester.
- 2 different modes to test loose or mounted (open-back ring) diamonds
- Dual testing method (IR/UV)
- 0.01 to 12 ct
- Colorless to near colorless gemstones (D-M)
- Long lasting rechargeable lithium battery
- Includes AC adapter
- Two year warranty