What is fluorescence in a diamond?
什么是钻石中的荧光？
Fluorescence refers to a diamond's ability to emit a (soft) glow when exposed to ultraviolet light (UV light). The fluorescence effect is present in over 30% of diamonds and is an important factor to consider when purchasing a diamond.
荧光是指钻石在暴露于紫外线（UV 光）时发出（柔和）辉光的能力。 荧光效应存在于超过 30% 的钻石中，是购买钻石时需要考虑的重要因素。