Antique English 18K Gold hallmarked ring, with a crown - the number 18 - an anchor - and lower case letter f. The mark is Birmingham. 18 Karat, Could be J. B. Chatterley & Sons, end of 19th early 20th Century. It is slightly misshapen on the shank. 18K gold is very soft. The diamonds are not big, and are set in stars. The ring is approx a size 8. My guess would be 30pts of diamond. The charm of this ring is in the antiquity.