Item #: 1015120 This an authentic GUCCI 18K Yellow Gold Blue Topaz Running G Station Necklace. The necklace is crafted of 18 karat yellow gold and features a delicate design with small interlocking Gucci GG logo stations around the necklace and a single dangling blue topaz stone on the clasp. Follow this item for alerts. Gucci is a registered trademark of Gucci. FASHIONPHILE is not affiliated with Gucci.