Learn With Videos

Diamond weight is expressed in carats. 1.00 carat equals 200 milligrams. Diamonds under 1.00 carat are expressed in ‘points.’ That means a 0.90 carat diamond is said to weigh “90 points.” You should know that two diamonds which weigh the same don’t always look the same size.

A diamond’s color is caused by chemicals in the earth where the diamond formed. The most common color is yellow, and most diamonds are graded on a scale ranging from D, which is most colorless, to Z, which is light yellow or brown.

Clarity evaluates a gemstone’s internal and external clarity-characteristics. Internal characteristics are classified as inclusions. External characteristics are classified as blemishes. A gemologist analyzes clarity by looking down through the top of the stone at 10-power magnification.

The cut of a diamond refers to everything man has done to convert it from a rough diamond crystal into a finished gemstone capable of producing brightness, fire and scintillation. More than any other “C” the way a diamond is cut determines how big, bright and lively it appears.

Lab-Grown Diamonds are identical to natural diamonds, with the same hardness, refractive index, and sparkle. They are graded using the same 4Cs. The only difference is they are not billions of years old. They are grown in factories using one of two sophisticated methods.

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Unlock the fascinating world of diamonds and gemstones with IGI’s engaging consumer videos! Whether you’re a curious beginner or an enthusiastic shopper, IGI offers a wealth of educational and informative videos designed to:

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  • Enhance your buying confidence: Understand key terminology, learn how to identify different gemstones, and make informed decisions when purchasing jewelry pieces.
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Accessible Learning:

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