18k gold is not platinum, it is composed of 75% gold and 25% other metals. Platinum, also known as platinum, can only be called platinum according to international regulations. Platinum is a naturally formed white precious metal with the highest ductility among all pure metals. The purity of platinum jewelry is usually 90% -95%, and the common purity of platinum jewelry is Pt900, Pt950。
The difference between 18k gold and platinum
1. Ingredients
18k gold is an alloy made by fusing gold with other metals. It has a variety of colors, including k platinum, k rose gold, and k gold. Because it is not pure gold, its hardness is relatively high, the styles are also diverse, and the price is lower than gold. Platinum is a naturally occurring white precious metal with stable chemical properties and a price higher than gold.
2. Rarity degree
Platinum is thirty times rarer than gold and can only be mined in very few places around the world. Rare things are precious, and platinum prices are higher than gold, which means it is higher than 18k gold.
3. Durability
18k gold has a slight yellow color, and merchants usually cover it with a layer of electroplating when making jewelry. After wearing it for a long time, people will wear off the coating, which is commonly known as fading. Platinum has stable properties and the characteristic of never fading.