Authentic Patek Philippe Platinum Diamond Emerald Ring Certificate This ring is AGL certified. Origin: Zambia. Metal: Platinum Size: 6 Measurements: Width: 16mm Weight: 16.2 grams Stones: Round brilliant cut diamonds, VVS1 clarity, E color. Total Diamond Weight: 3.5CT. One Gorgeous Oval Cut Emerald, Total Weight: 2CT. Hallmarks: P.P.Co PT950 8612orddd Dimensions reference the ring size and are not specific to the ring itself.