Item #: 570079 This is an authentic GUCCI Black Synthetic Corundum 18K White Gold 12mm Icon Band Ring 55 7.25. The ring is crafted of two bands of 18 karat white gold and black synthetic corundum adorned with the GG logo throughout the band. This is a chic ring with the iconic style of Gucci! Follow this item for alerts. Gucci is a registered trademark of Gucci. FASHIONPHILE is not affiliated with Gucci.