KonstantinoOval Black Onyx Open Filigree RingDetailsSterling silver ring by Konstantino. Faceted oval black onyx center. Wide, tapered band with open filigree. Face, 29mm (approx. 1 1/8) long. Sits 1/2 off the finger. Handcrafted in Athens, Greece. Designer About Konstantino:Individually crafted in Athens, Greece, from sterling silver and 18-karat gold, Konstantino collections are known for unique designs and remarkable artisanship. Designer Konstantino Sioulas is inspired by the art, architecture, mythology, and people of Greece, which shines through beautifully in his designs.