Bidspirit auction | A large 925 silver and

A large 925 silver and Blue John fluorite statement ring - A sterling silver cocktail ring featuring a prominent rectangular cabochon gemstone. The stone is a bicolour specimen of Blue John, a rare variety of fluorite found in Derbyshire, England, displaying characteristic translucent amber-yellow and deep purple banding with internal iridescence. The gemstone is held in a rub-over bezel setting on a plain, polished tapering shank. The interior of the shank is stamped with the fineness mark 925 for sterling silver alongside a maker's mark depicting an infinity symbol. Ring size: UK S (US 9 1/4).