semi-mount:https://www.doveggs-seattle.com/collections/semi-mount-only-1/products/doveggs-solitaire-bezel-split-shank-engagement-ring-only-semi-mount-onlyexclusively-to-doveggs-stones
Center stone:0.82ct(6X6.08X3.647mm/NG915031101) round lab grown diamond
Metal material & metal tone: Sterling silver 925 with platinum plated
Ring Size：US ring size 8.25