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GIA Three Step Advice on Buying Diamonds

GIA Three Step Advice on Buying DiamondsThe Gemological Institute of America (GIA) has issued a three step process for anyone wanting to buy the best diamond of their choice.

Step 1
The GIA advises, is to choose a qualified jeweler. “Choose your jeweler as you would choose your doctor, lawyer or any other professional. Ideally your jeweler will be a GIA Graduate Gemologist (G.G.) or a GIA Accredited Jewelry Professional (A.J.P.). In addition, look for affiliations with jewelry industry groups and professional associations. A knowledgeable jeweler will clearly explain the “4Cs” of diamond quality and will encourage you to compare diamonds to suit your price range.”

Step 2
The second step is to learn the “4Cs” of diamond quality. The key to a diamond’s value is its rarity and no two diamonds are alike. Rarity is determined by a diamond’s unique characteristics as measured by the 4Cs: Carat (weight), Clarity, Color and Cut. Using these criteria, a small diamond of exceptional quality will likely be more valuable than a larger diamond of lower quality.

• Carat: Diamonds are weighed using metric carats. A carat weighs roughly about the same as a small paper clip. Just as a dollar is divided into 100 pennies, a carat is divided into 100 “points.” This means that a diamond of 50 points weighs 0.50 carats. But two diamonds of equal weight can have very different values depending on the quality as expressed in their clarity, color and cut.

• Clarity: Created by nature, most diamonds contain unique birthmarks called “inclusions” (internal) and “blemishes” (external). Diamonds with few birthmarks are rare – and rarity translates to cost. Using the internationally recognized GIA Diamond Grading System, diamonds are given a clarity grade that ranges from flawless, to diamonds with more prominent inclusions.

• Color: Colorless diamonds are extremely rare and highly valued. Most are nearly colorless with yellow or brown tints. The GIA Diamond Grading System uses letters to represent colors, beginning with D (colorless) and ending at Z (light yellow or brown).

• Cut: While diamonds come in many different shapes, from round brilliants to hearts, pears and marquise, cut has to do with the proportions. The well-cut diamond uses light to create brilliance, sparkles and flashes of fire.

More information on the four “Cs” can be found from the links on the left.

Step 3
Finally, the GIA advice for step 3 to ask for an independent diamond grading report. that states, “For the ultimate peace of mind, ask your jeweler to provide an independent diamond grading report with your diamond. The most widely used and respected reports are those issued by the independent GIA Laboratory, who provides reports on the world’s most important diamonds. A professional jeweler can arrange to have your diamond graded and even have a personal message or unique GIA Grading Report number laser-inscribed onto the diamond’s outer edge, called the girdle.”

To this could be added.

Keep the purchase secure. One should have one’s diamond appraised and insured. According to the GIA a diamond grading report can act as a gemological blueprint of a diamond. This is, in effect, an independent assessment of its quality. An appraisal mentions the monetary value on the diamond.

It is also a good idea to buy a loose diamond and have it set into a ring afterwards. It is easier to grade the stone that way and also tends to be cheaper as well.

Lastly, always, always, always get a receipt. A diamond buyer should always ask for a receipt and also ask for a 30 day guarantee allowing the buyer to return the diamond or ring for cash if it is found to be not up to scratch.

These GIA steps on buying diamonds are important and can save a lot of money on the price of diamonds for the diamond buyer.


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