In order to test the authenticity of trusted jewellery Singapore, you should toss the jade stone in the air and catch it in the palm. The real jade has been known to have high density. It implies it would feel slightly heavier than it appears. In case, the jade stone feels heavier than most available stones of similar size and passes the eye test, you have an authentic jade stone.
It may be imprecise yet an effective test for performing. It would help you determine the authenticity of the jade stone. The test was used by traders and buyers of gems in the earlier times.