Opal Baby Heart EarringAbout The tiniest little hearts, sweet and small as a porcelain doll. Fun and delightful on their own or layered with friends. Description Made by hand in our Montreal studio. Sold as a single or in pairs. Please select from our drop down menu. Heart measures approximately 4mm in height and dangles from a 2. 5mm bezel set Australian opal stud. Sapphire earring sold separately. Solid 14KY gold.