An 18 carat gold diamond necklace is a choice backed by centuries of fashion history. High-purity 18ct gold is a great balance between durability and cost and can be paired perfectly with the favourite diamond. We have a wide variety of 18ct gold diamond pendants to choose from, including love hearts, crosses, tear drops, and many more. Pair with classic yellow gold or elegant white gold to match the sparkle of the solitaire or cluster of diamonds. Whether you're buying for yourself or a loved one, an 18ct gold diamond pendant necklace is sure to be a great addition to any collection.