Art Deco Style Mozambique Garnet & 9K Gold Ring It is fully hallmarked for 9ct gold with "375", anchor for Birmingham, "DK" and date mark "g". It contains 3.51 grams of 9ct gold. Size N. Excellent brand new condition. Comes with the new luxury ring box pictured and its certificate of authenticity(it has my stock number 129 written on it).