| 摘要 |
<p>The bottom part (1) of the circular housing is provided with a surrounding groove (2) in order to engage with a projection located at the inner surface of the front part. The precious stone is positioned on top of a base (3) with a central opening (7) facilitating its lower surface to get in contact with the skin of its owner, while the upper surface can be viewed through the central opening in the ring-shaped upper part, which is joined to the lower part (1) with hinges (6).</p> |
