14 Karat solid gold 

Available in rose and white gold as well.

Comes in quarter sizes

1.20mm x 1.25mm square band

Made to order, casted in downtown Los Angeles 

Rose gold contains copper to achieve the beautiful rose hue, if you have any sensitivities to copper you may want to shy away from this color option

White gold contains Nickle in order to obtain the white appearance. If you have any sensitivities to nickel, this may not be the best color option for you.