Made of real k-gold. One of the characteristics of gold is soft, so it is hard to made many beautiful and personalized design. Especially when inlaid with pearl, precious stones, diamonds, it may easy to fall out. Therefore, people add some silver, brass or zinc to increase the strength and toughness of gold. This kind of gold, we called K Gold. According to different percentage of gold it contains, K Gold can be various in 9k gold(37.5%), 14k(58.5%) gold, 18k gold(75%) and 24k gold(pure gold).