Designer: Marsh & Co.Hallmarks: Marsh, PlatinumEra: Art DecoComposition: PlatinumPrimary Stone: Cabochon Cut JadeiteCarat Weight: Approximately 2.5 CaratsSecondary Stone: 4 Cabochon Pear Cut JadeiteCarat Weight: Approximately 2 CaratsAccent Stone: 2 Trillion Cut Diamonds and 2 Trapezoid Cut DiamondsCarat Weight: Approximately .15 Carats and Approximately .50 CaratsTotal Diamond Weight: Approximately .65 CaratsAverage Color: GAverage Clarity: VS1Ring Size: 6.25Weight: 5.2 GramsMason Kay Lab Services: Natural "A" Jadeite Jade - No Dye or Impregnation DetectedReport Number: 200310-525