Here is a stunning antique platinum and 18k yellow gold pin. The pin is centered by an old mine cut diamond that weighs approximately 1.01ct. The color of the diamond is H-I with SI2 clarity. The center diamond is accentuated by approximately 2ct of round and rose cut diamonds. The color of these diamond is H-I with VS clarity. The measurement of the pin is 45mm by 30.5mm and it weighs 11.1 grams.