Commodity parameters Origin: different batches, different origins...classic model: no...commodity material: 18k gold...main material: 18k gold...size: 12/13/14/15/16/17/18/19/20...detailed classification :Ring...Brand Name:Gucci...������ձ� Product Display Model No. 648599 J8500 8000 This petite ring features a petite charm in a Double G shape. The detail of the monogram is enhanced by intricately engraved diagonal stripes made using the guilloche technique. A narrow yellow gold ring accentuates the delicacy of the accessory. 18k Gold Double G with guilloché engraving Double G: 7mm x 5mm Ring Width: 1.25mm Made in Italy Product details are for reference only, the actual product shall prevail.