effentii luna koa men's ring
men's ring
men's ring
men's ring
effentii men's ring

Koa Luna Men's Ring

Regular price $29.99 Save $-29.99
/
Shipping calculated at checkout.

A powerful and inspired design, this men's ring from Effentii is imbued with artistic accumen and the spirit of adventure.  Worn casually, or formally, this men's ring is the perfect addition to every man's colleciton.


Surface Width: 8mm
Thickness: 2.3mm to 2.5mm

International Ring Size Chart

We use US/Canadian size information for our men's rings.  Feel free to use this sizing chart to ensure you have the perfect fit.  If you are unsure of your ring size, be sure to check out our easy-to-use guide that explains how to measure your finger.  It is very easy, and takes only a few minutes - check out our guide here.


Circumference (mm)
Europe / ISO
Diameter (mm) USA / Canada UK / Australia Asia Switzerland
44.2 14.1 3 F 4 4
44.8 14.3 F-1/2 5 5-1/4
45.5 14.5 3-1/2 G
46.1 14.7 G-1/2 6 6-1/2
46.8 14.9 4 H 7
47.4 15.1 H-1/2 7-3/4
48.0 15.3 4-1/2 I 8
48.7 15.5 J 9
49.3 15.7 5 J-1/2 9
50.0 15.9 K 10
50.6 16.1 5-1/2 K-1/2 10
51.2 16.3 L 11-3/4
51.9 16.5 6 L-1/2 11 12-3/4
52.5 16.7 M 12
53.1 16.9 6-1/2 M-1/2 13 14
53.8 17.1 N
54.4 17.3 7 N-1/2 14 15-1/4
55.1 17.5 O
55.7 17.7 7-1/2 O-1/2 15 16-1/2
56.3 17.9 P
57.0 18.1 8 P-1/2 16 17-3/4
57.6 18.3 Q
58.3 18.5 8-1/2 Q-1/2 17
58.9 18.8 R 19
59.5 19.0 9 R-1/2 18
60.2 19.2 S 20-1/4
60.8 19.4 9-1/2 S-1/2 19
61.4 19.6 T 21-1/2
62.1 19.8 10 T-1/2 20
62.7 20.0 U 21
63.4 20.2 10-1/2 U-1/2 22 22-3/4
64.0 20.4 V
64.6 20.6 11 V-1/2 23
65.3 20.8 W 25
65.9 21.0 11-1/2 W-1/2 24
66.6 21.2 X
67.2 21.4 12 X-1/2 25 27-1/2
67.8 21.6 Y
68.5 21.8 12-1/2 Z 26 28-3/4
69.1 22.0 Z-1/2
69.7 22.2 13 27
70.4 22.4 Z + 1
71.0 22.6 13-1/2