9ct Yellow Gold Blue John Centre Stone Heart Two Piece Set, S024. A perfect gift for a loved one, this beautiful 9ct yellow gold and Blue John two piece set is a symbol of unity between family, friends, or partners. The hand carved Blue John gemstones are sourced from Castleton in Derbyshire. The gemstones are framed by a 9ct yellow gold heart. Comprising of a pair of hook earrings, and necklace, complete with an 18 inch 9ct yellow gold chain. All items can be sold separately. All articles purchased from C W Sellors are securely dispatched with our elegant, personalised jewellery packaging. Dimensions: Necklace; 18mm x 16mm wide with a 5mm bale, Earrings; 24mm x 12mm, Blue John; 8mm x 3mm