As the classic campaign slogan goes, “A diamond is forever.” You’ll wear your engagement ring for the rest of your life, so ...

The Diamond and Diamond Grading eLearning course brings to life the skills needed to grade the color, clarity and cut of diamonds through video, graphics, images and text.

Jacques addresses the significance of the astounding Lucara Diamond recently discovered, and GIA's work helping dealers, ...

CZ has a Moh’s hardness of 8.5. That means it is a hard and durable gem although not as hard as diamond. Most CZ can be described as colorless, and most have high clarity with minute, if any, ...

A Guide to Luxurious and Unique Jewelry Yellow diamond bracelets are a stunning way to add a pop of color and sophistication to any jewelry collection. Known for their radiant hue, yellow diamonds ...

a research scientist and senior manager of identification at the Gemological Institute of America (GIA). “They are both ‘diamonds.’” Choosing a lab-grown diamond also comes with some ...

Track your weight journey with CNET's top picks of the best smart scales, tested and reviewed by our health experts. I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest ...

An economy of scale is a microeconomic term that refers to factors driving production costs down while increasing the volume of output. There are two types of economies of scale: internal and ...

Lab-grown diamonds are known by several different names, including synthetic diamonds, man-made diamonds, and cultured diamonds. They have the same physical properties of natural diamonds because ...

PHILADELPHIA (WPVI) -- October is LGBTQ History Month. One historic figure was Gia Carangi, who was born in 1960 in Philadelphia's Torresdale neighborhood. Her life was filled with ups ...