How Do You Know If Diamond Earrings Are Real. Black diamonds can be easily confused with. So if youre looking at a pair of 1 ctw solitaire diamond studs each of the two diamonds within the pair of diamond studs will weigh 050 ctw.
If it clears up after a second or two then its real but if karat stays fogged for three seconds or more then youre looking at a fake. On the other hand if you see a CZ stamp or engraving the gemstone is a cubic zirconia and not a real diamond. Earrings of 05 ct or less make nice everyday earrings while heavier ones stand out more in formal wear.
The single best way to tell is to take your diamond to a professional.
2 Try a UV Light Test Another way to test a diamond is to place it under a UV light and watch the reaction. Here is How to Tell if a Diamond is Real or Fake 1 Water Test. Ron Samuelson at Samuelsons Diamonds and Estate Buyers walks you through the differences between a real diamond and a cubic zirconia. On the other hand if you see a CZ stamp or engraving the gemstone is a cubic zirconia and not a real diamond.