A jade and diamond entourage ring, consisting of an oval jadeite cabochon, in mottled bluish-green body colour with translucency, surrounded by round-brilliant and tapered-baguette diamonds, claw set to bifurcated shoulders and a D-section shank, white metal marked as '750 18k', ring size K½, ring head measures 19.3 x 15.2, total weight of item 8.1 grams.