What a rare and interesting ring this is! In addition to the intricate filigree details in the 18k white gold setting, the stone of this ring makes it one of a kind! This is a rectangular, beveled edge, piece of dendritic agate that measures approx. 19.5mm x 13.5mm and is prong set in the ring. It has a milky white coloring with black flecks that look almost like iron filings scattered throughout. The ring is currently a size 11 and weighs approx. 7.2 grams.