This is a stunning platinum pin / pendant necklace from the Art Deco era. The pin / pendant is set with sparkling marquise and old mine cut diamonds that weigh approximately 4.00ct. The chain is set with dazzling old mine cut diamonds that weigh approximately 2.50ct. The total weight of the diamonds is approximately 6.50ct. The color of these diamonds is H with VS clarity. The necklace is accentuated by onyx and pearl accents. The pendant measures 56mm by 25mm. The chain measures 28 inches in length. The necklace weighs 21.3 grams.