Determining the authenticity of a diamond requires professional equipment and a highly trained eye. At-home tests do exist—from the fog test to the water-drop test—but the only way to be sure is by ...

Diamonds have long been the ultimate symbol of love and commitment, their sparkling brilliance forever linked to life’s most emotional moments. Thanks to decades of marketing genius—most notably from ...

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Jessica Mendoza: There's a slogan about a gemstone that I've been hearing my ...