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. Quantity: Purchase Added! Made from Oak, Elm and Utile. 45cm Rose Gold plated curb chain with 5.5cm extension.