18 kt yellow gold ring gr 19,4 with oval black onyx stone 19 mm by 16 mm -To request informations please click on “submit a request for this product” or call +39 041 5287549 – or Whatsapp +39 32 99 14 35 98 or send an e-mail to info@webjewels.it all jewellery is exclusively produced in our workshop in Venice.