colour
Platinum is white, natural luster, will not fade, can be matched with any type of skin. Pure platinum is often used to make engagement rings to express the purity and permanence of love. Platinum with diamonds can maintain the purity of diamonds, is the best metal with diamonds.
The color of gold is yellow, and the higher the purity of gold, the more yellow the color, gold is often an element in the traditional wedding, elegant atmosphere, especially favored by middle-aged and elderly people.
hardness
The hardness of platinum is 4-4.5, and it has good ductility, so platinum can be used to make many beautiful jewelry, and the inlaid gems are not easy to fall off.
Gold is a relatively soft metal, the surface is easy to wear, deformation. Because of the low hardness of gold, the jewelry made of gold is relatively simple, and platinum itself is high in hardness, and is often used to make a variety of exquisite fashion jewelry.
Price
The price and value of platinum is higher than that of gold, because the mining of platinum is difficult and the production is low, and the production of gold is much higher than that of platinum.
As a hard currency for thousands of years, gold has an irreplaceable position in preserving value and fighting inflation. More importantly, gold is widely used internationally and is very convenient to exchange.