- To distinguish fakes from a genuine diamond, try observing it through a microscope. If the stone has numerous bubbles, it is glass and not a diamond.
- In genuine diamond rings, the gemstones are often set by having their base exposed, while fake diamonds usually have a closed setting.
- Breathe on the stone and check whether the fog disappears instantly. If it does, it is a real diamond, and if not, it is fake.
- A genuine diamond is always reflective and has grey or grayish shade reflections. If it reflects rainbow color, then it is probably a fake one.
- Genuine diamond rings are often set on a good quality metal like yellow gold or platinum, while fake diamonds are set on a cheap metal.
- For distinguishing zirconia from real diamonds, you can keep it on a colored paper and look through it. If you cannot see the color, it is a genuine diamond.