TITANIUM no question, it’s a fabulous material, with many very high end features. Read more about titanium here.
WOOD adds a contrasting feel to the ring, connecting it with nature. Wood does require extra special care to keep it in the best condition. For more information on caring for wood, please read this article.
INVISIBLE a perfect setting for only taking advantage of the stone.
FLAT sides make an impression of having a thicker ring, it make the side more presents. In both cases, flat or roundish sides, to provide comfort, we break the edges by making a radius instead of leaving a sharp edge. In this case, of flat sides, the radius are small and the sides stay flat as much as possible.