Prism Shifter 1.20 1562 30 carat old European-cut diamond

30 carat old European-cut diamond  surrounded by six old mine-cut diamonds

Its larger bullet shaped side stones beautifully elevate a simple solitaire

Signed Birks

and a delicate yet substantial presence

Prism Shifter 1.20 1562 30 carat old European-cut diamondPrism Shifter 1. 20 is a By Erstwhile original design centering a 1. 20 carat old European cut diamond set in an ultra low profile 18k yellow gold mounting, with crisp geometric detailing inspired by Art Decoera jewelry, reinterpreted through a modern lens. Step cut baguette diamonds flank the center, adding quiet structure and contrast, while delicate pav accents beneath the crown reward closer inspection. Clean lines, refined proportions, and a