These have been a best-selling piece since we introduced them; they make the perfect gift for any woman, for a birthday, Christmas or Mother's Day present. Particularly popular is the engraving option, which demonstrates a unity of family. These rings are hollowed out at the back, are hallmarked and stamped with SR, and weigh approximately 20g. Engrave with your messages of choice; simply choose your inscription and font (Arial, Cursive or Latin). Choose your chain length too: 45cm, 60cm, 70cm or 80cm. A Russian Ring Necklace - the 'Zan' - measuring 30mm in diameter, with each ring's width 3mm.