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A 2 pt diamond is a diamond weighing .02 carats or 2/100ths of a carat.
A two-carat diamond is a gemstone that weighs two carats.
A round diamond of this measurement weighs about .03 carats. Your local jeweler may have one for sale. The smallest weight diamond you can purchase today on Blue Nile weighs .23 carats and will cost US$272.
About two carats.
A 2 mm round diamond weighs about .03 carats, so a 1.5 mm round diamond would be smaller than .03 carats. A .01 carat diamond is about as big as a grain of sand.
Although 90% of women never get a diamond over 1 carat, there are many sizes and shapes that diamonds can be cut into. Jewelers can cut a diamond to any size or shape. The largest cut diamond in the world is the Centenary, which holds the record at 273 carats. Before it was cut, it weighed 520 carats.
75 carats is about 1/2 (0.48) troy ounce.
The mm size of a diamond stone relative to its weight in carats is directly related to the cut and the excellence of the cut. For example, a round brilliant stone measuring 8 mm in diameter at the girdle weighs about two carats. A different cut will have a different weight in carats.
Diamond of 2 carats (jewelry grade) can be worth 1,000 to 20,000 dollars more or less. Industrial grade diamonds: From experience, about 25 years ago I saw a 40 carat industrial grade diamond valued at $4,000, $100 dollars a carat. It looked like a dirty piece of quartz.
A jeweler can give you the exact measurements of this diamond when seen in person, which will be between 9.5 x 7.5 mm (2 carats) and 10.0 x 8.0 mm (3 carats).
The weight of the diamond -- if it's a round cut diamond -- can be about 1.25 carats. The carat weight of the ring depends on the metal and that weight will be described in ounces, not carats. You can pay a certified gemologist to give you the exact weight of the diamond and its metal ring setting.
The weight of a diamond is measured in carats, not in cents. So, a 30 cent diamond would not be equivalent to any specific weight in carats. To determine the carat weight of a diamond, it would need to be weighed using a scale calibrated to measure carats.