MODEL SHOWN:round synthetic 0.25ct stone, 6mm wide, size 6, polished finish, $350 in 6Al4V titanium, specifically designed for 0.25ct round brilliant cut stone, and cannot accomodate other shapes or carat weight.
prices vary somewhat according to selections made, total shown at page bottom
Dark reflection marks on the photo are the reflections cause by background lighting. This is not a feature. Titanium metal grades:
"6/4" grade titanium (most requested) defaults on the order form, optional
harder "6.6.2" grade adds $75