14k yellow-gold and pavé diamond needle drop jacket and stud. Jacket can be removed and worn with most other stud earrings and stud can be worn on its own.14k gold post. Stud measures approximately 1/3" x 1/4". Jacket measures approximately 1/2" wide x 7/8" long from top of post. When combined stud & jacket are approximately 1 1/5" long. Sold as a single for one ear only (one stud and one jacket). To wear in both ears please order two.