Whether inspecting gemstones or diamonds, professional valuers will undertake any number of tests to help determine and grade the particular stone they have in front of them. When dealing with diamonds, testing a stone’s reaction for fluorescence under both long and short-wave UV is quick and diagnostically relevant. Not only will the type and level of fluorescence impact the cost of the stone, but it can also indicate whether a diamond is natural or synthetic in origin. And when you have a ring with three diamonds that fluoresce different colours and intensities such as this, it will aid in identification, should the ring be lost or subsequently recovered.
More work goes into a professional valuation than you can imagine.
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