Cartier - C de Cartier necklace - Necklace Woman Gold/Diamond - C Cartier necklace, yellow gold 750/1000, set with a brilliant-cut diamond available in 0.50 to 0.79 carats and 1.00 to 1.99 carats. Please note that the carat weight, number of stones and product dimensions will vary based on the size of the creation you order. For detailed information please contact us.