It should also be taken into account that cartier as a couture high jewellery maison takes tremendous time for designing sourcing the necessary components and eventually executing their art piece.
Cartier jade bead necklace.
Fine jewelry on the cartier official website.
In 1934 cartier created a jade ruby and diamond ring to match the necklace.
Cartier luxury chain collections.
Considering all these facts the jadeite beads on this necklace can be dated at least to the late qing dynasty.
When it was sold in 1988 it was described in the catalogue as one of the most splendid jade necklaces of the jadeite variety for size and colour to have been offered on the international market this necklace is now being sold as one of the highlights of this.