
Crafted in white gold, the spiny outer shell of the brooch is fully paved with diamonds. The spine details along the edge are set with a combination of rose-cut and round brilliant-cut diamonds, showcasing their pure and fiery brilliance. In contrast, the inner shell is set with round-cut purple sapphires, blue sapphires, and spinels, creating a deep and mysterious visual effect that presents a striking color contrast.

The highlight of the piece is the substantial cabochon-cut tanzanite mounted at the center of the spiral shell. The cabochon cut best highlights the gemstone’s magnificent color and allure. This tanzanite exhibits a rich, deep violet-blue hue, symbolizing a mysterious treasure concealed in the deep sea.
