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GIA 4Cs Diamond Blog

GIA 4Cs Diamond Blog

Art Deco platinum, sapphire and diamond pendant/brooch.

With the return of The Great Gatsby, which is in theatres now, we’re reminded of the Roaring Twenties, a time of prosperity in the United States. Skyscrapers sprung up in major cities, jazz rang out from speakeasies and Charles Lindbergh made the first non-stop transatlantic flight. It was a decade known for automobiles, radios, telephones, skyscrapers, and flappers. (more…)

Previously we outlined four basic steps to purchasing a diamond. Today we will expand on our explanation of the 4Cs – the four factors that determine a diamond’s value. (more…)

Buying a diamond can be a significant purchase both emotionally and financially, but it doesn’t have to be intimidating. This GIA Diamond Buying Guide can help you determine what is the best quality diamond for you. Here are four basic steps to ensure that the journey to find your perfect diamond is as pleasurable as admiring the diamond you finally select.

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Part 1 – An Industry without Standards or Formal Education

Though diamonds and other gemstones have been collected and coveted for many centuries, it has taken almost as long for diamond cutters and jewelers to learn how to reveal a gemstone’s inner beauty.

As early as the 1300s, European stone cutters were changing crystals by polishing their faces so that no natural irregularities of the original crystal remained. While this type of polishing and cutting did allow light to reflect off the outer surface, the fire and brilliance remained hidden inside. Small changes introduced over the next few centuries made diamonds more interesting, but still hid the potential of diamonds to return light as we know it today. (more…)

emerald cut diamond

Angelina Jolie and Brad Pitt made headlines earlier this year when they finally announced their engagement. Soon thereafter, Jolie was spotted wearing an engagement ring that featured a large, Emerald cut diamond center stone. While an Emerald cut center stone is not the traditional look for an engagement ring, non-traditional engagement rings seem to be making news more frequently. (more…)

Have you ever noticed the term “Fluorescence” on a GIA Diamond Grading Report? Did you know that some, but not all, diamonds show effects under ultraviolet light?

For most people who purchase diamonds, fluorescence will be a non-issue, but some might be confused by the term. Below are commonly asked questions, and helpful answers from GIA researchers who have studied fluorescence in depth. (more…)

GIA strives to make sure diamond grading is objective and fair, keeping a standard in the diamond market, so that the public can buy a diamond with a GIA report and know that the report is accurate and absolutely impartial. This creates the ultimate peace of mind for your diamond purchase. (more…)

Synthetic diamonds are grown in a laboratory and have essentially the same chemical composition and crystal structure as natural diamonds formed millions of years ago. In the last 30 years, gem quality synthetic diamonds have been grown in Japan, South Africa, Russia, Ukraine and the United States. Synthetic diamonds are generally produced using either High Pressure/High Temperature (HPHT) or Chemical Vapor Deposition (CVD). (more…)

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…)

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…)

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…)

The engagement ring’s romantic traditions resonate through time. The Romans first introduced the betrothal ring as a plain, iron hoop. Among the gentry, the iron ring was worn while indoors and replaced with the more valuable gold band when outdoors. As early as the 4th century AD, inscriptions, elaborate or as simple as “honey,” embellished the inside of the band. (more…)