Types of gold
18K and 24K gold is common gold but in fact there are variety range of gold such 9K gold, 10K gold, 14K gold, 18K gold, 20K gold, 22K gold,24K gold that exist. Gold purity is split into 24 minutes fraction, and the higher the number, the higher the purity. Representing the pure gold which 100% gold is 24K gold that contains 24/24 of gold in it. Meanwhile, 18K gold contains gold at rate of 18/24, which the percentage of gold is 75%. The remaining percentage is made out of metals such as silver or copper, according to the percentage and there will be differences in hardness and color. People often think that the higher the purity of gold, the better it is. But actually, depends on what to make the gold.
There are also cases where it will be better when the pureness of gold isn’t too high.
Depends on the type and design of the product, purity will affect the hardness of the finished product that may be better not be too high. For example, the purity of 24K gold is too soft and is not suitable for processing jewelry with complex design because it will be easily scratches when it’s used practically. So, usually accessories are made out with other mixed gold. This point often appears in the difference of preference by countries.
Preference of pureness differs depending on country.
In Japan, there are still many people who wear accessories, but they prefer 18K gold for special occasions. In western countries they often wear jewelry and accessories which the purity of gold such as 9K gold,10K gold,14K gold. However, gold coins and ingot types hold a higher value in some county with the highest purity of gold. Since the highest purity will be more important for people who collects and treasure its. And for accessories purpose, they are made intentionally in low purity to support the design and more.
Jewel cafe’s relieving assessment
At Jewel Cafe, gold products of unknown purity are calculated by dividing the purity, so you can assess them with confidence.