From the Colour Collection. Luxurious 14K rose gold necklace with diamonds and an Ethiopian opal accent. Since 1979, EFFY has designed some of the world’s most distinctive jewellery. Obsessed with quality and a meticulous craftsman, designer Effy Hematian ensures every piece of EFFY jewellery is infused with his creative vision. All EFFY jewellery is covered by a limited manufacturer’s warranty (details available with purchased item). To inquire about a repair and/or sizing, please reach out to The Time Shop. Any service performed by anyone other than EFFY Jewelry and The Time Shop will immediately void the warranty.