The kingfisher blue feather used has brilliant, turquoise bright blue and very excellent quality. The beautiful feather was inlaid on gold tone copper body manually. This technique of inlaying feathers into metal work is known as "Tian-Tsui". All pins on back of earrings are approximately 7/16 inches long. This listing is for one pair of Flower in Round Ring earrings - feather on both sides, 3/4" in diameter. For details of other styles of feather earrings in the last picture shown, please view the related listings in my shop. Other items in pictures are not included. All sales are final.