The Crest of Bohemia is a celebration of the courageous. An ode to the bold. The lion is a symbol of strength and nobility, and an homage to our founders homeland. Perfect for the man with an audacious spirit, this ring is made of sterling silver and black enamel alternately surrounded by 4 white diamonds totaling 0.06 CTTW and 4 raised Bulova signature tuning forks. Ring top measures 16 x 17MM. Size 10. All of our sterling silver is rhodium plated to give the jewelry a brilliant shine and provide enhanced durability.