provenance:Measurements:The necklace chain is 16 1/4" long. The pendant is 1 x 1". The gross weight of the necklace is 6.22g. The jadeite is 17.78 x 7.95mm. The total estimated carat weight of the jadeite is 13.8cts. The diamonds range from 1.85-3.07mm. The total estimated diamond carat weight is 0.15tcw. measurements:Condition:In overall very good condition consistent with age and normal use. weight:Provenance:From an Upstate New York estate