A bright diamond button that was turned into a ring! How fun is that? This 18K yellow gold and old mine cut diamond ring is nothing short of brilliant. Eight old mine cut diamonds are set into textured gold spotted with traces of black enamel. Together the diamonds weigh approximately 3.50 carats. Made in the mid-19th century.  This ring is presently a size 4 and can be resized . It is in good antique condition with signs of wear commensurate with age.