The 20.15 Carat Jadeite Jade cabochon is measured at 23.05 x 17.55 x 6.56 mm, accented by blue Tanzanites, Emerald and diamonds in 18K white gold, surmounted by an adjustable cord and 18K white gold end clip. Accompanied by a certificate from Hong Kong Jade & Stone Lab indicating natural color type A jadeite jade with no resin detected.