Rose Gold Plated Heart CZ with Micro CZ around Belly Button Navel Ring. Material: 316L Surgical Steel. Gem: Cubic Zirconia. Finishing: Rose Gold Ion-Plated. Bar Thickness: 14 Gauge - 1.6mm. Bar Length: 10mm. Top Heart Size: 7mm x 8mm. Bottom Heart Size: 13mm X 14mm. *Sold by Piece.