| Measurement of a Diamond |
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Like many other gemstones, diamonds are also weighed in metric carats where 1 carat
= 0.2 grams which is slightly more than 0.007 ounce avoirdupois (measurement used
in grocery stores). Fraction of a carat can make a huge value difference, even in
the case of smaller diamonds. That is why diamonds are weighed in a thousandth of
a carat and rounded to the nearest hundredth point. Diamond range starts from a
small point to more than 100 carat, but in regular diamond market people shop for
diamonds ranging from 5 points to 3 carat.
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While purchasing diamonds, people generally consider the total carat weight of all
diamonds present in a jewelry piece and do not talk about the individual weight
of each diamond. E.g. if a ring carries fifty 1 point diamonds or two quarter carat
diamonds or a single half carat diamond, the total diamond weight is observed as
half carat in all cases, however the prices may vary considerably, being the highest
for a single half carat diamond.
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Cullinan is the largest rough gem diamond ever discovered and it weighs around 3,106.75
carats, while Golden Jubilee Diamond weighing 545.67 carats is the largest polished
diamond.
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| Diamond Relative Carat / Size Comparison |
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CT. |
0.25 |
0.50 |
0.75 |
1.0 |
1.25 |
1.50 |
2.0 |
2.5 |
3.0 |
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MM. |
4.0 |
5.0 |
6.0 |
6.5 |
7.0 |
7.5 |
8.0 |
8.5 |
9.0 |
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Carat is a measurement of weight, not size and so the overall diameter (mm) could
differ slightly even though the carat weight is correct. Image is not to scale.
Diamond pictures are shown for comparison purpose only. Actual size can vary depending
on your screen resolution, monitor size, etc.
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Loose diamonds can be weighed on a jeweler's balance. However incase the diamond
is mounted, the weight is estimated using the weight-estimation formula. Estimating
weight in this fashion is less precise but enough to let appraisers make reasonable
evaluations without demounting the diamonds.
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Check out the finest quality of certified
Loose Diamonds offered at B2C Jewels and select the carat weight as per your
budget.
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