Millimeter is a size measurement; carat is a weight measurement.
Take the stone to a local jeweler and ask for its weight.
If the diamond is a round brilliant cut, it's slightly larger than 16.3MM, which is the measurement of a diamond weighing 15 carats.
Carats is a weight measurement for diamond, so your answer depends on how much your diamond weighs. Karats is a purity measurement for gold. Carrots grow in your vegetable garden.
If you'd prefer to measure the carat weight of a diamond in a weight measurement other than carats, you can convert the carat weight to grammes. Here's the basic conversion: Five carats weigh 1,000 milligrams. You can complete your own math, depending on the carat weight of the diamond in question.
The initials dwt may mean diamond weight total. In this case 6.80 is the weight measurement, in carats. The total weight is made up of several stones.
Depending on the cut, some stones will be heavier or lighter than the estimates from this Web site, below. Measure the millimeter size at the girdle -- widest part -- of the stone.
This diamond could weigh about six carats if its measurement is 10mm x 10mm.
Princess cut diamond, a 2-carat stone typically measures around 7.5 to 8.0 millimeters on each side if anyone need perfect measurement of Diamond can always consult to the gemological certification or have it measured by a diamond manufacturer or jewellers . Other then that diamond purity also very important factor person should consider.
This millimeter measurement across the girdle of a round cut diamond may be equal to about 1.25 carats in weight. A certified gemologist can give you the exact weight of your diamond.
The 5mm measurement of a diamond is at the girdle. A round diamond with this measurement weighs between .40 and .50 carat. An emerald cut, princess cut or other cut will have a different measurement or series of measurements. Depending on the cut of the diamond, the 5mm space may or may not 'fit'.
You may be thinking of 8mm, which would be one millimeter measurement for a gem-stone diamone. Otherwise, there is no common reference for diamonds that is simply '8m'.
This diamond may weigh between 1.75 (7.8MM) and 2.00 carats (8.2MM). The millimeter measurement is the diameter of the girdle, and depending on the cut, this diamond may weigh more or less than indicated, above.
The millimeter size of a diamond of this weight varies, depending on the cut. If the gem is round cut, its measurement at the girdle will be between 16.3 mm (15 carats) and 17.6 mm (20 carats).
Diamond Princess - album - was created in 2001.
it is 1.67856mm
A princess cut diamond has a square shape, while a pear shape diamond is tapered at one end.
If the diamond is a round brilliant cut, the measurement at the girdle of a diamond of this carat weight measures about 5.2 mm. If the diamond is not a round brilliant cut, the measurement will be different.
Both Asscher cut and Princess cut diamonds have at least one measurement that is 5mm, and both with this perimeter weigh in the one carat range. ('Square' diamond is a description for a rather generic cut.) A certified gemologist can give you an exact weight for your diamond.