Black stone ring for men. The Classy Men Black Stone Ring is an exquisite men's ring with an impressive black stone as a centerpiece. This ring is a great and easy way to add detail to your outfit. It is an outstanding attention-grabber with the precise details of the vintage silver finish. The massive size and heavy feel make this ring extremely masculine. Pair up with a bracelet or two and you're all set. Anti-allergic Surface size: 12mm x 20mm / 0,47" x 0,78" Material: Stainless steel Stone: Black faceted zirconia Weight: 21g / 0,74 oz Ring size chart Diameter (inside) Circumference (inside) Size mm inch mm inch UK US 14.8 0.58 46.5 1.83 H 4 15.70 0.62 49.3 1.94 J 5 16.51 0.65 51.9 2.04 L 6 17.32 0.68 54.4 2.14 N 7 18.14 0.71 57.0 2.24 P 8 18.95 0.75 59.5 2.34 R 9 19.76 0.78 62.1 2.44 T 10 20.57 0.81 64.6 2.54 W 11 21.39 0.84 67.2 2.65 X 12 22.20 0.87 69.7 2.75 Z 13 23.01 0.91 72.3 2.85 Z2 14