An 18 Karat Bicolor Gold, Jadeite, Diamond, and Colored Diamond Brooch, containing 12 carved translucent green jade petals measuring approximately 10.45 x 5.72 mm, numerous baguette cut diamonds weighing approximately 0.30 carat total, numerous round brilliant cut diamonds weighing approximately 0.34 carat total, and 12 round brilliant cut yellow diamonds (origin of color not tested) weighing approximately 0.20 carat total.Stamp: 18K.Accompanied by a Gemological Institute of America jade identification certificate number 2171824171, dated September 20, 2016, stating Species: Jadeite Jade, Color: Green, Transparency: Translucent, Treatment: Natural Color, no indications of impregnation. 12.30 dwts.