Expensive. China Jewelry Industry Network shows that garnet is 10,000 yuan, and the market price of garnet is 1000 to 3,000 yuan. Garnet, a geological term, is the main rock-forming mineral in the upper mantle. Garnet crystals are very similar to pomegranate seeds in shape and color, hence the name Garnet. Garnet with good color and high purity can become a gem.