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The Diamond 4Cs Explained in Detail Carat
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| Diamonds are a very valuable commodity. When purchasing a diamond, the majority of us will be attracted by the scintillation and exquisite sparkle of a stone, but there is so much more to diamonds than it's initial appearance. |
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| GIA developed the Diamond 4Cs in the 1940s and 50s to accurately grade and evaluate all diamonds. This is now know at the GIA International Diamond Grading System TM |
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| This section deals primarily with carat weight, although when buying your diamond the other C's are complementary and should also be taken in to consideration:~ |
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| CARAT: |
- A carat, the measurement with which diamonds are weighed is equal to 0.2 grams. The term 'carat' should not be confused with the term 'karat' which is used to measure the purity of gold.
- A carat is divided into 100 points, much as a dollar is divided into 100 (cents or pennies). Once carat can also be represented as 100 points. For example a half carat or 0.50 carat diamond can be represented as 50 points.
- A number of diamonds may have the same weight, but in terms of value may be very different indeed. This is where the other of the 4Cs are taken into consideration; clarity, colour and cut. Diamonds over 1ct are fairly rare and would obviously command much higher prices. Most diamonds weight less than 1 carat.
- The diamond industry is nothing if not accurate, and when handling objects of such value and desire it is crucial that the instruments used to measure the 4Cs are precise. A fraction of a carat can make a difference in value and weight is measured to the hundred thousandths of a carat and rounded to a hundredth of a carat.
- For optimum accuracy, an electronic micro-balance is used to capture a diamonds weight to the fifth decimal place. Comparably accurate optical measuring devices are used to determine proportion, measurement and angles of facets.
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| The Beginning of the Carat System |
| As we have discussed the standard unit of weight for diamonds and gemstones is the carat. The term 'carat' takes it's unique name from the carob seed, a method of weighing stones by early traders of diamonds. The seeds were generally unvarying in weight and were used in their balance scales for weighing stones. |
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| In 1913, the modern carat, the metric carat was adopted by the U.S., with other countries following to provide a uniformity of weight around the globe. |
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| Select your perfect diamond from our eclectic collections, our loose diamonds are of the very highest quality. |
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| The My Diamonds experience is waiting for you. Just call us on 1800 766 567 and speak with one of our professionals. Your journey begins here! |
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| Why wait any longer to see their superb collections? Go to www.mydiamonds.com.au or call 1800-766-567 where you will receive top customer service and a choice of diamond jewellery to die for! |
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