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Karat vs Carat – What is the Difference in Jewellery Terminology?

When shopping for fine jewellery, you’ll often come across the terms “karat” and “carat.” While they sound similar, they refer to two completely different things.
Understanding the difference is crucial when purchasing gold or diamonds. In this guide, we’ll break down karat vs carat so you can make informed jewellery decisions with confidence.

What is a Karat in Jewellery?

Karat (K or kt) is a unit of measurement that indicates the purity of gold. Pure gold is too soft for everyday wear, so it is often mixed with other metals like copper, silver, or zinc to create a more durable alloy.

Gold Purity Levels

  • 24K Gold (99.9% pure)

    The highest purity level, but too soft for most jewellery.

  • 22K Gold (91.7% pure)

    A common choice in high-quality gold jewellery, especially in South Asia and the Middle East.

  • 18K Gold (75% pure)

    A great balance of purity and durability, often used in fine jewellery.

  • 14K Gold (58.3% pure)

    Popular for engagement rings and everyday jewellery due to its strength.

  • 10K Gold (41.7% pure)

    The lowest gold content legally considered gold in many countries, known for its durability.

What is a Carat in Diamond Weight?

Carat (ct) is a unit of weight used to measure diamonds and other gemstones. One carat equals 0.2 grams (200 milligrams).
The carat weight of diamonds directly affects their size and price, but it’s not the only factor determining value.

Understanding Carat Weight in Diamonds

  • 0.25 ct – 0.50 ct

    Small but noticeable; great for delicate designs.

  • 0.75 ct – 1.00 ct

    A popular range for engagement rings.

  • 1.50 ct – 2.00 ct

    Considered a statement size for many buyers.

  • 2.50 ct and above

    Luxury sizes with significant value.

However, diamond weight alone does not determine a diamond’s brilliance. Other factors like cut, colour, and clarity play an essential role. If you’re looking for the perfect diamond, check out our natural diamond collection.

Karat vs Carat: Key Differences in Jewellery Terminology

Feature Karat (K) Carat (ct)
Durability Measures gold purity Measures diamond weight
Symbol K or kt ct
Used For Gold Carat weight diamonds & gemstones
Affects Durability & colour of gold Size & value of gemstones

Choosing the Right Gold and Diamond for Your Jewellery

When purchasing jewellery, understanding both karat vs carat helps you make a well-informed decision. If you want:
Durable everyday jewellery, consider 14K or 18K gold.
High-value investment gold, opt for 22K or 24K gold.
A balance of size and brilliance in diamonds focuses on well-cut stones rather than just carat weight diamonds.
At Diamovida, we offer high-quality natural diamonds and gold jewellery to suit every preference. Whether you’re shopping for an engagement ring, wedding band, or a special gift, we’re here to help you find the perfect piece.

Need Help Choosing the Perfect Jewellery?

Book a consultation with Kanchan at Diamovida to explore stunning jewellery collections and find your perfect piece!

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