The Bespoke Holly Blue Chalcedony Cabochon Ring is a one-of-a-kind ring or charm, designed & handmade just for you in a setting, metal and size of your choice. This 7.15ct oval cabochon Holly Blue Chalcedony stone is a rare, natural lilac delight from Oregon, USA. Chalcedony is a calming stone, believed to promote good will and absorb negative energy.