Adjustable from 17\\\" to 19\\\". Colour: Silver / Multi-colour. Material: 925 Sterling Silver / Cultured Opal. Condition: New. Size: 17 in. Brand: . Gender: Female. Age group: Adult. Necklace style: Pendant & Chain. 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 Sterling Silver & Gold Plate Black & Cultured Opal Necklace - Female - 925 Sterling Silver / Cultured Opal - Silver / Multi-colour - Size: 17 in