The 1st Heart is 8x8mm 2nd Heart is 6x6mm and the 3rd Heart is 4x4mm in size. This is a very sexy piece to show off your navel piercing or to show someone how you care. This one make a fantastic present to yourself or someone else. T he Gold used in this Piece is Totally Nickel Free and available in either; solid 14K Yellow Gold or solid 14K White Gold. T he Gems used are Genuine Swarovski Cubic Zircons. They are all hand set Not just glued in as with most companies. N aturally we can replace the Cubic Zircons for any Genuine Precious Stones you would like as you can see on our Genuine Gem Page. Just email us if we can help with anything.