14K yellow gold with zirconia, approximately 10mm in size. Now that I'm a grown-up... I'm putting this up for sale. - Material: 14K yellow gold - Stone: Zirconia - Size: Approximately 10mm Gold prices are rising!! Please refrain from purchasing if you are looking for perfection, as this item is stored personally. To prevent substitution, returns and exchanges are not accepted after purchase. Thank you for your understanding. Thank you for looking.