10k Yellow gold (2.2 grams) buttercup halo solitaire engagement ring circa 1910 with an original maker's mark and with (1) .30 carat Old Mine cut earth-mined diamond center and (6) Old Mine cut diamonds in halo .15 carats total diamond weight. This piece comes with a written appraisal for insurance (001-42389-002). Currently a size 7.25, can be sized to fit. 

Clarity: SI-VS

Color: H-I