Understanding the Difference Between 9ct and 18ct Gold | Brinkhaus Jewellers Perth

Understanding the Difference Between 9ct and 18ct Gold

At Brinkhaus Jewellers, we work exclusively with 18ct yellow gold, white gold, rose gold, and platinum. We are often asked why we choose not to work with 9ct gold, and in this blog post, we’d like to explain the key differences between 9ct and 18ct gold and why we believe 18ct gold is the superior choice for fine jewellery.


What is the Difference Between 9ct and 18ct Gold?

The primary difference between 9ct gold and 18ct gold is their purity. 18ct gold contains 75% pure gold (18 parts pure gold out of 24), while 9ct gold contains only 37.5% pure gold (9 parts pure gold out of 24). The remaining percentage in both cases is made up of other metals like copper, silver, or palladium, which are added to strengthen the gold.

This difference in gold content is what gives 18ct gold its richer, more vibrant color and higher intrinsic value compared to 9ct gold.


Is 9ct Gold or 18ct Gold More Resilient?


When it comes to resilience and durability, 18ct gold is the superior choice. Although 9ct gold contains a higher percentage of other metals, which makes it technically harder, 18ct gold is more resistant to wear and tear over time. This is because the higher gold content gives 18ct gold a slightly softer yet more durable nature, making it less prone to cracking or breaking.

For pieces intended to last generations—such as heirloom jewelry—18ct gold is ideal. Its resilience ensures that pieces crafted from 18ct gold maintain their beauty and structural integrity over the years, even with regular wear.


Which is More Resistant to Tarnishing?


Another important difference is that 18ct gold is more resistant to tarnishing than 9ct gold. Due to its higher gold content, 18ct gold is less reactive to chemicals found in everyday products like chlorine, hairspray, and perfume.

9ct gold, because it contains a higher proportion of other metals, is more prone to tarnishing when exposed to these chemicals. This means that 18ct gold not only looks better over time but also requires less maintenance and care.


Is 18ct Gold More Expensive?


Yes, 18ct gold is more expensive than 9ct gold due to its higher gold content and superior qualities. However, its longevity, richer color, and timeless appeal make it a worthwhile investment.

When you choose 18ct yellow gold, you’ll notice it has a deeper, more luxurious color compared to 9ct gold, which tends to appear paler due to the increased presence of other metals.

At Brinkhaus Jewellers, we work exclusively with 18ct yellow, white, and rose gold because we believe in offering our customers only the highest-quality materials, ensuring that our jewelry lasts for generations.


Why Choose 18ct Gold?


When purchasing fine jewellery, it’s important to consider the type of gold being used. While 9ct gold may be more affordable, 18ct gold offers superior quality, richness, and durability. By choosing 18ct gold, you’re investing in a piece that will maintain its beauty and stand the test of time.

At Brinkhaus Jewellers, our dedication to quality craftsmanship is reflected in every piece we create. Whether you're purchasing a ring, pendant, or earrings, you can trust that it’s been crafted from the finest materials available.

To explore our extensive range of handcrafted jewellery, visit us at 24 St Quentin Avenue, Claremont. We offer complimentary gift wrapping to ensure your special purchase is beautifully presented.

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