A two carat round brilliant cut stone will measure about 8.2 mm. A different cut will have a different measurement.
The size of a diamond depends on its cut so the size of a 2 carat round diamond would be 7.76mm width x 7.62 length and the size of a 2 carat princess diamond would be 6.63mm x 7.11mm.
A diamond is valued by its cut, clarity, carat weight and colour. A local jeweler can show you stones in this category.
Most people think carat is a size. Actually, it is not, it is a weight. Diamonds are measured in Carats. Carats are a metric weight unit with one equaling about the weight of a paper clip or .2 grams. The GIA website has a lot of information on different carat weight.
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The cost of Platinum diamond earrings will vary greatly depending on the carat weight of the diamond. As an example for prices, 1/2 carat total weight start at about $1400 but a 1 carat total weight sells for approximately $3600 per pair.
Diamonds are measured in carats, the bigger the stone the larger the carat. If you had a 2 carat diamond it would be worth thousands. My rings are only 0.25 carat which is small
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 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.
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.
A two-carat diamond is a gemstone that weighs two carats.
A single one carat emerald cut diamond measures 6.73 x 4.82 x 3.33 mm. A single .33 carat emerald cut diamond measures 4.93 x 3.55 x 2.19 mm. It is unclear from your question where you want to take your 2 mm measurement, and the cut you want to measure.
It is usually around 1/2-1 full carat in the engagement ring.
A 2 pt diamond is a diamond weighing .02 carats or 2/100ths of a carat.
For a complete answer, you must go to this site:RarityOf the 4 C's, Carat Weight is probably one of the most important considerations with respect to rarity, value, and consumer preference. In fact, Carat Weight, or how much the diamond weighs is the most significant value factor in a diamond. Because diamonds by nature are rare, a 2 carat diamond is actually about 3 times more valuable than a comparable quality 1 carat size. Statistically a 1 carat is one in a million diamonds mined, and a 2 carat is one in five million diamonds mined. Therefore, all things considered a 2 carat diamond is really "value priced" based on the rarity factor.PricingLarger diamonds are much more rare, thus commanding a higher price/per/carat. Carat weight affects the value of a diamond by about 10-20% for each step in size difference. Also, "magic sizes" refer to major carat weight categories, for example exactly 1.00 carat, or larger, and can prompt "price premiums". To calculate the price of a diamond you multiply the carat weight by the price/per/carat. For example: if a 1.25 carat diamond was priced at $10,000 per/carat the diamond would be sold for $12,500.* http://www.diamonds.com/education/Carat.aspx
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A diamond is valued by its cut, clarity, carat weight and colour. A local jeweler can show you stones in this category.
Most people think carat is a size. Actually, it is not, it is a weight. Diamonds are measured in Carats. Carats are a metric weight unit with one equaling about the weight of a paper clip or .2 grams. The GIA website has a lot of information on different carat weight.
250 carat Diamond- uncertain amount as can be auctioned; very few diamonds of this size25 carat Diamond- $1 million to $2 million; for a lower quality stone2.5 carat Diamond - $5,000~$8,000Another AnswerYou can buy a 2.5 carat diamond today on Blue Nile and spend from US$12,000 to US$16,000.Also, a 15 carat diamond is available on Blue Nile today for just over US1,000,000.