Jadeite, black spinel and diamond ring; of cluster design, centring a bezel-set marquise-shaped cabochon green jadeite weighing approximately 22.96 carats, flanked by a pair of trapeze-cut black spinel and baguette diamonds, accented with round brilliant-cut diamonds to the surround and shoulders, the diamonds together weighing approximately 0.78 carats, mounted in 18ct white gold, size M1/2, total gross weight approximately 15 grams.