A Mohs 10 rating is not a range: it's the ceiling, and lab-grown diamonds share it with mined diamonds. The hardness is identical because the materials are identical to each other.
Industry Insight
A continuous or partial rim of metal pressed against the stone's perimeter. That is a bezel-setting, and the distinction from a prong is that it grips the whole edge instead of specific points.
Self-Expression & Brand
At Ross-Simons, self-expression isn't a trend, it's the reason fine jewelry has mattered to people for centuries, and one of the ideas that has guided our brand from the very beginning.