These are a lovely pair of solid 14k yellow gold Ruby stud earrings with comfort backs. These hypoallergenic backs keeps the earrings secure and upright. The Ruby are very clean and very sparkling. The total weight is .20 Carat and are 3 mm in diameter. Ruby is bright with benefits and is a protective and intense stone. For those who want to turn up the volume on their life force, Ruby is all about raising the stakes and boosting energy levels. These earrings would make a great gift for someone who was born in July.