8x7 MM Octagon Shape Onyx and 1/20 Ctw Round Cut Diamond Semi-precious Men's Ring in Sterling SilverWhether you are seeking an evening staple or a standout accent for special occasions, this semi precious ring offers the allure of dark contrast. At its heart, an octagonal shaped bezel mount cradles a perfectly faceted 8X7 MM onyx, its jet black surface drawing the eye inward. 5 prong hand set round cut diamonds flank the center stone, total 10, adding pinpoint flashes of light that punctuate the design's dark elegance. The band extends into a