The 4Cs | De Beers US (2024)

FAQs

What are the 4 C's of diamons? ›

The 4Cs, are the globally accepted standard for assessing the quality of a diamond —color, clarity, cut and carat weight.

The four Cs are the four characteristics traditionally used to determine the quality and value of a diamond: carat, cut, clarity, and color. The characteristics of a diamond are graded and categorized by the diamond industry to establish its retail value.

The Clarity of a diamond is an important element of the 4 Cs. It affects the rarity and therefore the expense. The clarity refers to the diamond's tiny markings. GIA created a diamond grading scale to help the consumer understand what makes one diamond worth more than another.

Employees rate De Beers Group 4.2 out of 5 stars based on 161 anonymous reviews on Glassdoor.

What are learning skills? From Thoughtful Learning. The 21st century learning skills are often called the 4 C's: critical thinking, creative thinking, communicating, and collaborating. These skills help students learn, and so they are vital to success in school and beyond.

Shipley, the founder of GIA, coined the term 4Cs to help his students remember the four factors that characterize a faceted diamond: color, clarity, cut and carat weight. The concept was simple, but revolutionary.

For diamonds over 2 carats, a clarity grade of VS2 or higher is the safest bet for avoiding any signs of visible inclusions. In diamonds between 1 and 2 carats, clarity grades of SI1 or better will not have inclusions easily visible to the naked eye.

Lab grown diamonds are as real as diamonds mined from the earth. Lab grown diamonds are identical to earth mined diamonds in every way, except that they are grown in a lab. They have the same chemical, physical, and optical properties as mined diamonds and exhibit the same fire, scintillation, and sparkle.

The GIA color scale ranges from D (colorless) to Z (light yellow or brown). A completely colorless diamond is considered the most valuable, as it allows for optimal light reflection. To make it easier to understand the scale, it is typically divided into five sections: D-F: Colorless.

DeBeers, founded by Cecil Rhodes in 1870, has been a highly successful and effective controller of the diamond mar- ket, having developed a unique purchasing and marketing cartel that has influenced prices in the market virtually undisturbed for almost a century.

Does Tiffany use De Beers diamonds? ›

In 2002, Tiffany established Laurelton Diamonds, the jeweler's rough sourcing arm that is a De Beers sightholder, and a client of Alrosa and Canadian miner Dominion Diamond.

In 2001, several lawsuits were filed in U.S. courts alleging that De Beers “unlawfully monopolized the supply of diamonds, conspired to fix, raise, and control diamond prices, and issued false and misleading advertising.” After multiple appeals, in 2012 the U.S. Supreme Court denied the final petition for review, and a ...

The valuation of a gemstone is derived from the "Four Cs": carat, color, clarity, and cut. Understanding all four of these is vital background to the buyer.

But you don't need to be a gemologist to get the best oval diamond for your buck – just understand the four C's: color, clarity, carat weight and cut. Color ranges from D (colorless) to Z (light yellow). Clarity describes how clear the diamond is and is graded on a scale ranging from Flawless to Included.

Diamond professionals use the grading system developed by GIA in the 1950s, which established the use of four important factors to describe and classify diamonds: Clarity, Color, Cut, and Carat Weight. Diamonds can be fashioned into a variety of shapes and still be beautiful. These are known as the 4Cs.

To select knowledgeably, you need to know what jewelers know: the 5 C's of diamonds. Being well-versed in a diamond's color, cut, clarity, carat weight, and certification will take you a long way in ensuring you're selecting your perfect diamond.