Precious gems are: diamonds, which are more expensive but the most popular gems in the market. There is a saying that diamonds are very old and eternal. It's best to make a ring, which has the greatest hardness among gems.

Ruby and sapphire: In our country, there are many sapphires in Shandong, and the prices are very reasonable. The color is relatively dark, and the overall cost performance is relatively high.

Emerald is a beautiful green gem, and the price is relatively expensive, but it is beautiful.

Emerald, inlaid with interfaces, is a perfect choice, and those with cat eyes look good.

General gems are: crystals, and various colors to meet your needs. Amethyst and powder crystal are common.

Tourmaline: There are often two colors on a piece, which is very distinctive.

H: Light blue is beautiful and cheap.

Olivine is green, a little dark green, giving people the feeling of a high-grade gem.

Spinel rose red, similar in color to ruby, but lower in price.

If you want to reduce the cost, it is also a good choice to use 925 silver inlay to synthesize gems.