This is an authentic ring by Hermes from his H LOGO collection. It is crafted from 18k yellow and sterling silver in a fine polished finish featuring an 8mm width in a dome form with a 5mm wide gold strip around the center bordered with sterling silver. The inside of the band is all sterling silver and the front of the band has a raised carved out H in silver on the yellow gold band. It is fully signed by the designer with the metal content and ring size.Material: 18k yellow and sterling silver Hallmark: Hermes 925 750 French hallmarksMeasurement: band is: 8mm wide x 2mm thickRing Size: US: 6.5 Weight: 8.6 grams