Clash de Cartier earrings, XL model, 18K yellow gold, coral. Width: 17.7mm CORAL SUSTAINABILITY The coral featured in the new Clash de Cartier collection, Corallium Rubrum, is not a reef coral species. It is 100% naturally sourced and non-treated. Cartier sources its materials with careful, responsible consideration and is committed to continuously improving its ethical, social and environmental performance. The coral in the Clash de Cartier collection is sourced entirely from Sardinia, Italy, which has strict laws and practices concerning coral fishing Cartier always seeks to perfect the harmony of each one of its creations. Because of this, the carat weight and the number of precious stones can vary slightly from piece to piece. Please do not hesitate to contact our sales team should you require any further information regarding our creations.