Understanding 9ct, 14ct, 18ct, and 24ct Gold

9ct Gold 375 (37.5% Gold)
9ct gold is made up of 37.5% pure gold and 62.5% other metals, such as copper, silver, zinc, or palladium. This higher content of alloy metals makes it more durable, though less yellow in colour. It is the hardest of the four gold options, making it highly resistant to scratches and wear, which makes it a popular choice for everyday jewellery. However, due to its higher alloy content, 9ct gold is more prone to tarnishing and discolouration over time, particularly when exposed to moisture, chemicals, or skin oils. Regular cleaning with a mild soap solution and a soft cloth is recommended, and it is best to avoid exposure to harsh chemicals and store it in a dry place to minimise tarnishing.

14ct Gold 585 (58.5% Gold)
14ct gold contains 58.5% pure gold and 41.5% alloy metals such as copper, silver, and zinc. This blend offers a good balance between durability and rich colour. It is moderately hard, providing better resistance to wear and scratches than 18ct gold. While 14ct gold is less prone to tarnishing compared to 9ct, it can still discolour if exposed to harsh environments or chemicals. Regular cleaning with a mild soap and water solution is recommended.

18ct Gold 750 (75% Gold)
18ct gold is composed of 75% pure gold and 25% other metals, such as copper, silver, zinc, or palladium, giving it a richer, more vibrant colour due to its higher gold content. Being softer than 9ct and 14ct gold, 18ct gold is more prone to scratches and wear with frequent use. Its higher gold content makes it less likely to tarnish compared to lower carat gold, though it can develop a patina over time. Gentle cleaning with a non-abrasive jewellery cleaner and a soft cloth is recommended. Avoiding exposure to harsh chemicals is key to maintaining its finish.

24ct Gold 999 (99.9% Gold)
24ct gold is nearly pure, containing 99.9% gold with very little or no alloy metals. As the softest and most malleable form of gold, it is not ideal for everyday wear, as it is more likely to bend, scratch, and lose its shape. While pure gold does not tarnish, it can accumulate dirt, dust, and oils, dulling its shine over time. To care for 24ct gold, handle it gently to avoid deforming the metal. Clean it with a soft cloth and mild soap, and store it separately from other jewellery to prevent scratches and maintain its bright, pure finish.

By understanding the differences in hardness, alloy composition, and how each type of gold reacts to wear and environmental factors, you can choose the gold that best fits your lifestyle and ensure it stays beautiful for years to come. Regular and mindful care will help preserve the longevity of your gold jewellery, regardless of the carat.