Presidium Synthetic Diamond Screener II (SDS II)
Help to screen out Type IIa diamonds likely to be laboratory-grown diamonds.
Tests on diamonds within a range in dimension from 1.5 mm in width and up to 5 mm in height (approx. 0.02 to 10 carat size).
Tests on polished diamonds of popular cuts such as brilliant round cut, emerald cut, baguette cut, etc.
Can be used on both loose and mounted diamonds (on jewelry with open-back setting).
For use on colorless diamonds from D Color down to J Color.