Tube Ring14K gold ring featuring soft edges for timeless, sustainable style. This ring stacks or stands alone. 14k recycled gold ring, 3mm thick. KBH Jewels only uses environmentally and socially conscious diamonds. Why? We believe that love and tradition applies not only to our jewelry, but also the manner in which it is made. Did you know that upwards of 400,000 lbs. of soil is disrupted and displaced to mine for a single one carat diamond? That is equal to