Why is Diamond Jewellery Made in 18kt Gold?

Fine jewellery relies as much on the choice of metal as it does on the gemstones themselves. A popular setting for diamond jewellery is 18 karat gold. Find out why this particular gold alloy is so popular for diamond adornments.

Let us first understand what 18 Karat gold is.

A gold alloy made by mixing 75% pure gold with 25% other metals, such as copper, silver, or zinc, is 18 karat gold.
Now let’s understand why this particular gold alloy is so popular for diamond jewelry.

Durability and Strength Among the reasons diamond jewellery is made in 18kt gold is its durability and strength. Gold can be strengthened by adding alloy metals, making it more resistant to bending or breaking, ensuring the security of the diamonds.

Purity and Quality 18kt gold still maintains a high level of purity despite being alloyed with other metals, with 75% pure gold. Assuring the authenticity of the jewellery piece, this purity contributes to its quality and value.

Resistance to Tarnishing 18kt gold is less prone to tarnishing compared to lower karat alloys or pure gold. This resistance to tarnishing ensures that the brilliance of the diamonds remains untarnished, maintaining the overall beauty of the jewellery over time.

Enhanced Appearance 18kt gold’s rich, deep hue enhances the brilliance and fire of diamonds. Against the warm glow of 18kt gold, diamonds are set off beautifully, creating an eye-catching contrast.
Compatibility with Diamonds Adding diamonds to 18kt gold is easy due to its malleable and ductile nature. Using delicate prongs or intricate designs, jewellers can display diamonds’ beauty while securely securing them in place.

Market Demand and Preferences Market demand and consumer preferences also influence the preference for 18kt gold in diamond jewellery. The prestige and luxury of 18kt gold make it a popular choice for high-end diamond jewelry.
Cultural Significance and Traditions 18kt gold holds significant cultural and traditional value in many cultures. Weddings, engagements, and other milestone celebrations often make diamond jewellery more desirable due to its auspicious association.

Obviously, it is the main ingredient for diamond jewellery, but apart from that, 18 karat gold finds its versatile presence in various realms of fine jewellery. What Can 18 Karat Gold Be Used For? Diamonds are primarily set in 18kt gold rings, earrings, pendants, bracelets, and other adornments. Whether it’s a classic solitaire or an intricate vintage-inspired piece, its strength and versatility make it ideal for a variety of designs.


As a result of its high gold content and superior quality, 18kt gold is highly valuable. In addition to its intrinsic value, its craftsmanship and design complexity contribute to its intrinsic value as well. Additionally, cultural norms, brand reputation, and market demand often influence the perceived value of 18kt gold jewellery.

As a result of its exceptional qualities, 18kt gold makes an excellent choice for diamond jewellery, including durability, purity, tarnishing resistance, and compatibility with diamonds. The cultural significance, market demand, and inherent value of platinum further cement its status as a preferred metal for showcasing diamonds’ timeless beauty.

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