This is a gorgeous Art Deco 18k yellow gold and platinum sapphire and diamond pin. The pin is set with approximately 0.30ct of old mine cut diamonds, approximately 0.40ct of rose cut diamonds and approximately 1ct of sapphires are set in platinum accents. The top of the pin is platinum and the back is 18k yellow gold. The length of this pin is 2 1/4 inches and the width is 1 inch.