sz 9.5 Konstantino 18k/Sterling Chalcedony ring. 14 grams, decent size, very well made, authentic, uncommon ring with no significant issues. 4,000 BC In the heart of the Mediterranean, generations of alchemists, artisans and goldsmiths explored the depths of earth's most valued materials. Gold, silver, bronze and precious stones inspired the creation of fine jewelry, a creative expression of human intelligence. Through the ages, Greek goldsmiths have estab- lished an exceptionally unique…