This is quite an interesting piece; first off I love that the theme color is blue reflecting the nature of koi fish and I love how the koi itself is not really there either. That little piece that represents the koi, it almost transforms into a wave so while it has the appearance of a koi fish, it also gives that illusion that it's not really there. The top part of the pendant is equally beautiful as the bottom half, and the stone in the center is perfect. For me it's also as if the koi passed through the stone. Photo wise, the reflection at the bottom works wonderfully, the blue in the background is very nice, again it references the natural environment of the koi fish. Overall it is a very lovely piece, so excellent work.