KBH Jewels only uses environmentally and socially conscious diamonds. Why? They believe that love and tradition apply not only to their 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 roughly 10 Manhattan city blocks, and in addition to other devastating social and environmental factors that are a part of the diamond mining industry.Square Bling Ring in Black Rhodium - Glitz, Glamour & Green. Go ahead and indulge in lust-worthy sustainable shine. 4.26 TCW - 284 handset colorless (DEF color, VS clarity) cultivated diamonds set in 100% recycled solid gold. Please note this item is handmade-to-order and it takes 2-3 weeks.