1ct Unheated Montana Sapphire Square Radiant Cut

1.01ct Unheated Montana Sapphire Square, sourced from artisinal miners working the claims along the Missouri Riverbank Precision Cut in the USA by Daniel O’Neil 5.0 x 5.0 x 4mm A very hip Montana Sapphire with a Color Change from faint Blue or Green outdoors (photos) to just a blush of lavender under fluorescent lighting!  Both hues are light, so she will appear nearly colorless at times as well.  A few tiny inclusions, not visible without magnification. Ideal size and shape for an engagement ring!