Certified Tibetan Kyanite Solitaire & 9K Gold Ring Size N 1/2. It is fully hallmarked for 9ct gold with "375", anchor for Birmingham, "DK" and date mark "g". It contains 1.57 grams of 9ct yellow gold. Size N 1/2. Excellent new condition. Comes with the new luxury ring box pictured and its certificate of authenticity.