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Is it a Color (Fancy Color Diamond) or Colorless Diamond?

June 26, 2012

Often when picturing a diamond, we envision the classic colorless gem depicted in films, showcased in engagement rings, or displayed with other popular jewelry in glass cases. A colorless diamond is the clear, classic diamond we envision. Many “colorless” diamonds possess very subtle hints of yellow or brown, colors that can affect the value of the stone. But diamonds come in colors that extend beyond the D-to-Z color scale. And when the color of the stone is strong enough, the diamond becomes known as a “fancy-color diamond.” (more…)

GIA on CBS Discusses a Rare Blue Diamond

June 6, 2012

Diamonds can be a symbol of wealth and power. While those purchased and worn by most consumers are more modest, many are sent to GIA to be graded on the 4Cs of diamond quality; Color, Cut, Clarity, and Carat. Including a stunning 120ct blue diamond that was recently cut to improve the beauty and value of the stone.

Learn how GIA was involved with this remarkable diamond.

Why Cut Matters (Part 2)

May 28, 2012

When a diamond interacts with light, every angle and every facet affects the amount of light returned to the eye. The sparkle of a diamond, then, has everything to do with how well the cut of the diamond was planned and executed. Although a diamond’s value is based on its unique combination of color, clarity, cut, and carat weight (the 4Cs), a diamond’s cut is the most complex to assess, and it’s the only component that can be directly affected by the diamond cutter. (more…)

The Diamond Cutter’s Art (Part 1)

May 16, 2012

Most consumers don’t realize the long, complicated, precarious journey a diamond takes from its humble beginning amidst tons of rock in the Earth to its sparkling transformation in a jewelry store counter. An especially critical point in the diamond’s journey is its time with the diamond artisan, who must cut the diamond to maximize its beauty. (more…)

Fancy-Color Diamonds

April 23, 2012

When it’s time to buy a diamond, many people spend a lot of time educating themselves on the 4Cs of diamond quality, and then determining what the personal trade-offs between those various quality characteristics will be. (more…)

The April Birthstone Sparkles and Shimmers

April 1, 2012

Shimmering with an internal fire all its own, diamond is one of the world’s most sought-after and adored gemstones. (more…)

5 Things to Ask Your Jeweler Before Buying a Diamond

February 10, 2011

Purchasing a diamond is a big step and finding the right one can be pretty intimidating. However, it doesn’t have to be. Before you make your purchase of a lifetime, make sure to ask the following 5 questions to your jeweler. (more…)

5 Steps to Getting Your Dream Diamond

February 8, 2011

When your guy gets down on one knee and pops the question, you know what you want to see inside that little box. But does he? When it comes to engagement rings, even the most well-intentioned soon-to-be fiancé can use a little help. That’s where you come in—read on for 5 easy tips to getting the diamond you’ve always dreamed of. (more…)

5 Things To Do Before Buying Her a Diamond Engagement Ring

February 2, 2011

Getting ready to pop the big question is undoubtedly one of the most memorable and exciting times of your life. At the same time, things can get pretty hectic as you consider everything that goes into such an important purchase. With some preparation beforehand, shopping for that one-of-a-kind ring will become a breeze. (more…)

Before You Visit a Jeweler, Ace the 4Cs

January 22, 2011

All diamonds are rare and no two diamonds are alike. A diamond’s quality and rarity is determined by its unique combination of characteristics of Color, Cut, Clarity and Carat Weight. The International Diamond Grading System™, used around the world since its invention by GIA in the 1950s, is based on the Four Cs. (more…)

GIA 4Cs Diamond Blog