The necklace is adjustable from 18\\\" to 17\\\" and 16\\\". Style: Circle. Colour: Yellow. Material: 9ct Gold. Condition: New. Size: 18 in. Brand: . Gender: Female. Age group: Adult. Necklace style: Collarette/Necklet. Pendant style: Classic. Department: necklaces. William May has been involved in the British jewellery industry since 1825 and we\\\'re extremely proud of our rich near-200 year heritage. As an independently-owned company, we supply a vast array of exquisite new, pre-owned & vintage jewellery that you simply won\\\'t find in a high street store. New 9ct Yellow Gold Adjustable Double Circle Necklace - Female - 9ct Gold - Size: 18 in