What is 24 karat gold and where is it used?

In the Russian Federation they use the metric system, and in Western countries they use the carat system. 24 carat gold is considered the purest, and if you are wondering what standard it corresponds to in the karat system, know that it is 999.

In addition, in different countries they use various designs and forms of marks on the product. The Russian stamp depicts a woman in a kokoshnik; the Ukrainian stamp depicts either the state emblem or a chestnut leaf, next to which the sample number is written.

The quality of the product is reflected by the amount of pure gold contained in the alloy from which the jewelry is made (since jewelry is not made from pure precious metal). Such a system is established and protected by government regulations and standards. For this purpose, the types of imprints and stamps have been standardized, the numbers on which indicate the sample number.

What are carats? Conversion to metric system

The carat is a unit of measurement for the purity of a gold alloy. It displays the same thing as a breakdown - the amount of cleanliness of the product. The only difference is that on foreign products the same thing is minted, only measurable in carats (from 9 to 24). The international system displays the measurement of the proportion of weight in 24 weight units of the alloy.

Table of correspondence between the metric and carat systems of precious metals.

In order to convert to the metric system, as well as calculate how many carats of gold will be in grams and vice versa, you can use the following formula:

24 : 1000 = X : Y, with X being the carat standard and Y being the metric standard.

Gold samples are calculated in carats as follows: X = 24 * Y: 1000

Thus, 585 is X = 24* 585: 1000 = 14K Following the calculations, 585 is equal to 14 in the karat system.

In metric system it is calculated as follows: Y = 1000 * X: 24

That is, 18K is Y = 1000 * 18: 24 = 750 Thus, 18 karat gold corresponds to domestic 750 gold.

After some simple calculations, we get:

• 24K equals 999 fineness = 100 percent pure gold content
• 18K equals 750 = 75 percent
• 14K equals 585 = 58.5 percent
• 12K equals 500 = 50 percent
• 9K equals 375 = 37.5 percent
• 8K equals 333 = 33.3 percent

It must be added that 18K gold is considered high quality, 12 and 14K are medium, and 8,9 and 10K jewelry is the lowest quality.

Popular rings made of gold of various carats.

Thus, 1 carat of gold, when calculating how many grams it is, will be equal to 0.2 grams.

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A little about samples

999 standard or 24 carats is considered the purest gold, the percentage of impurities in which is no more than 0.1%. To put it in the old fashioned way - “red”. It is highly fragile and bends easily, which is why it cannot be used in jewelry. But on the other hand, before the October Revolution of 1917 in Russia, wedding rings were made from it, which were also in demand among the “new Russians” in the 90s; they were very thick and massive, weighing about 8 grams or more. The price for 999 samples is, logically, the highest.

375 is considered one of the lowest quality in the world. 9 carat gold, if you calculate what standard it will be equal to, is closest to 375.

Sample 375 is unpopular in Russia.

At the moment, you can only find one alloy that is even lower quality - 333 or 8K.

In the Russian Federation, 375 sample is a very rare guest. It is rarely used in the jewelry industry. For this reason, on the shelves of domestic stores it is found in the minimum list of products.

The low content of pure gold in such jewelry does not have the best effect on the brightness of the surface and does not attract potential buyers. Moreover, some people experience allergic reactions when wearing such products due to impurities in the alloy.

What hallmark is 10 karat gold? In fact, this question misleads many people. 10K is somewhere between 375 and 585, containing 416 grams per kg of pure aurum. Thus, 10 carat gold is of low quality, and it is impossible to say exactly what standard it corresponds to on the Russian market, because we do not have 416 in use.

What should you consider when purchasing products?

The price of products made from precious metal primarily depends on its carat value; the cost of an item is also influenced by its weight and design. Jewelry is mainly made by machine, so if engraving and hand finishing are used, the price of the product increases significantly. Pure metal, after losing its currency status, can be used as an investment instrument with high liquidity. Its price has dynamics that allow you to preserve and often increase the invested capital. So, if in 2004 a troy ounce cost $450, then by 2012 its cost exceeded $1,000. Investments can be made either directly in bullion and jewelry, or through investments in bank metal accounts.

Products made from non-precious alloys can be coated with a thin layer of gold. Its application is carried out using a galvanic method, so gold plating can only be made from 24 carat metal.

The thickness of such a layer is small and only an order of magnitude greater than the atomic dimensions. Therefore, when purchasing such products, you need to know that the proportion of the pure substance in the total mass is insignificant (tenths of a gram), and the price should be close to the price of the product without coating.

As a review of price dynamics for pure gold and products made from it shows, the cost of both has been steadily increasing over the years. Will this continue for as long as possible? Of course, there is no exact answer to the question, but gold is a rare metal and its reserves are limited. Feedback from people using 24K gold metal for investment suggests that this instrument still retains its importance today.

Foreign gold and gilding - consider the difference

Foreign gold purchased in jewelry stores in Italy, Turkey, China and other countries does not always meet Russian standards, or in other words, it cannot be considered a quality product. Most often, such gold is imported illegally, bypassing both customs control and state control authorities.

According to statistics, seventy percent of gold imported from abroad is fake, so you need to be very vigilant when choosing foreign jewelry.

It must be remembered that foreign products, even if they are genuine, differ from Russian ones in shade and composition; the vast majority of jewelry is yellow or white, with a minimal copper content.

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How to determine gold purity?

Testing gold without a sample is not that difficult. Jewelers will accurately determine the value of the product and give a guarantee. This is the simplest and most reliable solution. But if you want a more serious approach, then the Russian State Assay Office can accept individuals. There they will help you determine the sample and put a damaging stamp on it.

Brand on jewelry

If you want to sell your jewelry, it would be better to go to a pawnshop. There they will be able to accept gold without assay and determine its value. In order to hand over your jewelry, you only need a passport. And if you change your mind, you can buy it back within two months. Convenient pawn shops operate in Sunlight stores, where gold items in any condition can be returned for exchange.

If you want to find out the gold sample at home, then there are several ways to determine the noble metal:

1. A method known for a long time is testing with vinegar. Dip a gold item into the solution and get results almost immediately. Gold does not change its color.
2. Another popular method is checking with a magnet. If the item is well magnetized, then it is made of steel or gold plated, because real gold is not attracted to a magnet.
3. Gold, like all money, does not smell, unlike any other metal.
4. If you have unfired ceramic tiles, rub the product against it. Are the marks left dark or gray? Then it's not gold.
5. Powder for cauterizing wounds, lapis, can also reveal the nobility of metal. Apply a little lapis to the wet product. If it turns black, it is a fake.

However, you will not be able to accurately determine the gold sample at home, because... special materials are needed: gold chloride, nitric acid and an assay needle.

Color.

When it comes to color, 24k gold is an absolute winner, its tone being the actual color of real gold.

Any alloy with a lower purity will not have a true gold color, although 22 and 18 karat alloys are fairly close.

14K gold's yellow color is not as rich as 24K gold - the tone of 14K gold is paler in comparison.

However, its shade may vary depending on the presence of other metals in the alloy and their relative concentration. This is why you see 14k gold jewelry that is quite rich in color for the alloy of this purity.

Differences in hardness.

The different purities of 24 and 14 karat alloys result in different levels of hardness, which is why the alloys are used for different types of jewelry.

14K gold is used to make durable jewelry.

14K gold is relatively hard, making it a popular alloy. This characteristic makes 14k gold products more durable.

Jewelry made from this type of gold scratches less and lasts longer because it wears out more slowly than an alloy containing a higher percentage of the precious metal.

24k gold is too soft for jewelry and is very rarely used because the metal is so soft.

As a result, it can be easily scratched and easily deformed.

For example, a ring made of pure gold will be too susceptible to damage and parts (such as the teeth of the setting) will wear off very quickly.