Hallmark information for rings and jewellery | The Diamond Ring Company
White Gold Yellow Sapphire & Diamond Ring, Size N, Full Hallmarks, Excellent Con
Hallmarking And Your Jewellery: Top Ten Tips – All Diamond
Hallmark | Fiona Diamonds
Marks Stamped Inside Rings – Albert Hern
Contemporary 9ct White Gold Diamond Ring Size N or 6 3/4 USA.
Ring stamp meaning? The inside is stamped with a diamond shape and the letters "STR" (2nd image). I assume STR means this is a sterling silver ring, but am curious what the