If it is, the company is standing behind that mark and assuring you that the karatage is as stated. When buying a necklace, make sure it lays well around the neck. Try it on or ask a salesclerk to model it so you can check how it fits against the skin. For earrings, check to make sure that they hang well from the ear and don't tip forward. Designs that are asymmetrical should have a left and right which mirror each other.
Gems can speak louder than words.
You can choose a gemstone that symbolizes what you want to say with your gift. Jewelry Central .