Store › Oak, Elm and Utile diamond necklace Image 1 of 1 Oak, Elm and Utile diamond necklace £15.00 Made from Oak, Elm and Utile. 45cm Rose Gold plated curb chain with 5.5cm extension. Purchase Added! Made from Oak, Elm and Utile. 45cm Rose Gold plated curb chain with 5.5cm extension.