Comes with a certificate from Hong Kong Jade & Stone Lab indicating natural type A jadeite jade without any resin detected. A very long natural jadeite jade bead dress necklace, consist of total 146 jadeite bead of match even bright green color and texture, with diameter size ranging from 8.6 mm to 5.8 mm. Accented by a removable 18K white gold Marquise Brilliant diamond clip (GIA certified 0.97ct D color VS2 clarity measured at 9.47 x 5.17 x 3.29 mm). The 18K white necklace end ball shape clasp is micro paved by 0.59ct small round diamond. This is high end jadeite jade jewelry necklace which can be worn in several styles, in single or double strings due to its extra length of 39 inches/99 cm.