Lapis lazuli, turquoise and diamond brooch, Cartier, 1920s and a turquoise and diamond necklace

Comprising: a brooch composed of a fan-shaped carved lapis lazuli enhanced with polished turquoise and circular- and single-cut diamonds, signed Cartier, detachable pendant fitting; and a necklace composed of carved turquoise beads spaced by rondelles set with brilliant-cut diamonds, length approximately 460mm.