Art Deco Style Rock Crystal & Diamond Earrings

A pair of rock crystal and diamond, Art Deco style, earrings, with a central round brilliant-cut diamond, surrounded by frosted rock crystal, with an engraved back, with a border of four round brilliant-cut diamonds, spaced with sets of five, smaller, crown rose-cut diamonds, mounted in 18ct white gold, with butterfly backs. Total diamond weight 0.915ct