Key words: koi fish brooch design has a unique and fashionable aesthetic, follows an organic form, and uses precious stones and scattered diamonds. The design of this brooch is inspired by Cindy Chao's elegant realistic style and graceful curves. The brooch features complicated details and captures the essence of koi fish. The design shows the flowing koi fish, curves and gems highlight the movement of fish. Scattered diamonds add a touch of charm to the brooch, making it a declaration that it can be worn on any occasion-Ar3: 4.