Karat vs Carat: Understanding the Difference

Explore the difference between karat and carat, their role in determining the value of gold and gemstones, and their impact on gold loans.
Gold loan
2 mins
29 July 2024
Gold, a precious metal known for its lustre and malleability, has been valued for centuries. Its chemical stability and resistance to tarnish make it ideal for jewellery. The purity of gold is measured in karats. Carat, distinct from karat, measures gemstone weight, particularly diamonds. This article explores the key differences between the two and how it impacts gold loan.

What is a carat in gold?

A carat is a unit of measurement used to determine the purity of gold. In the context of gold, one carat is equal to 1/24th part of the whole, meaning that pure gold is 24 carats. The carat system helps in understanding how much gold is present in an alloy compared to other metals. For instance, 18-carat gold consists of 18 parts gold and 6 parts other metals, making it 75% pure. The carat value influences the gold's colour, durability, and price. Higher-carat gold, such as 22 or 24 carats, is more valuable but softer and prone to scratches. Lower-carat gold, like 14 or 18 carats, is more durable due to the presence of alloying metals. Carat measurements are crucial for buyers and sellers to assess the quality and worth of gold jewellery and other gold items.

What is a carat in gemstones?

In gemstones, a carat is a unit of weight used to measure the size of a gem. One carat is equivalent to 200 milligrams or 0.2 grams. The term "carat" originates from the carob seed, historically used by gem traders as a reference for weight due to its consistent size. Gemstone carat weight significantly influences a gem's value, as larger gemstones are rarer and thus more expensive. However, carat weight is not the only factor in determining a gemstone's value; cut, colour, and clarity also play essential roles. For example, two diamonds of the same carat weight can have vastly different values based on their clarity and colour. When buying or selling gemstones, understanding the carat system is vital to accurately appraise the worth of the gems. 

Difference between karat vs carat

The terms "carat" and "karat" are often used interchangeably, but they refer to different measurements depending on the context. In gold, a carat measures the purity, with 24 carats representing pure gold. It indicates the proportion of gold in an alloy, essential for determining the quality and value of gold jewellery. Conversely, in gemstones, a carat measures weight, equivalent to 200 milligrams. It is used to quantify the size of a gem, impacting its market value significantly. Despite sharing the same term, the distinction between carat in gold and carat in gemstones is critical for accurate valuation. Understanding this difference is essential for both buyers and sellers in the jewellery and gemstone markets to avoid confusion and ensure proper appraisal of the items.

Using carat gold as collateral for loans

Using carat gold as collateral for loans is a common practice in India, providing a quick and secure way to access funds. When gold is pledged, its carat value, which indicates the purity, is assessed to determine its worth. Higher carat gold, such as 22 or 24 carats, typically secures higher loan amounts due to its higher purity and value. Financial institutions evaluate the gold's carat and weight to estimate its market value and offer a loan based on a percentage of this value. Bajaj Finance offers up to 75% of your gold’s value as loan, as per the guidelines set by the RBI. Using 18-22 carat gold as collateral is advantageous because it offers lower gold loan interest rates compared to unsecured loans. Borrowers retain ownership of their gold and can retrieve it upon full repayment, making it a favourable option for those in need of quick funds without selling their valuable assets.

Valuation of carat gemstones in gold loans

Valuation of carat gemstones in gold loans involves assessing the gemstones' weight, quality, and market demand. While gold serves as the primary collateral in such loans, gemstones embedded in gold jewellery can enhance the overall value of the pledged items. Lenders evaluate the carat weight of the gemstones, with higher carat values indicating larger and potentially more valuable gems. Additionally, factors like cut, colour, and clarity are considered to determine the gemstones' worth. Although the primary focus remains on the gold's carat value, high-quality gemstones can increase the loan amount offered. It's essential for borrowers to ensure their gemstones are appraised accurately to receive a fair valuation.

Understanding how gemstones contribute to the overall collateral value can help borrowers maximise their gold loan amounts.

How do carat values impact loan amounts?

Carat and karat values play a significant role in determining the loan amounts in gold loans. In the context of gold, the carat value measures purity, with higher carat gold securing higher loan amounts due to its greater value. For instance, 24-carat gold, being the purest, fetches a higher loan compared to 18-carat gold. In gemstones, the Carat value, which measures weight, also impacts the loan amount. Larger gemstones, indicated by higher Carat weight, increase the overall value of the pledged jewellery. Borrowers can use a gold loan calculator to assess the combined value of gold and gemstones, to determine the loan value based on a percentage of this value. Though it is important to note that Bajaj Finance offers gold loan against pure gold jewellery only. For any jewellery embedded with gemstones, the value of the jewellery is evaluated basis the gold part only.

Accurately understanding and valuing both carat and karat metrics is crucial for borrowers to maximise their loan potential and ensure they receive a fair loan amount reflecting the true worth of their gold and gemstones.

Frequently asked questions

What is the difference between carat and karat?
The difference between "carat" and "karat" lies in their usage. "Carat" is a unit of weight used to measure gemstones, equivalent to 200 milligrams. It determines the size and, often, the value of a gem. "Karat," on the other hand, measures the purity of gold, with 24 karats representing pure gold. The term "carat" is used in the context of gemstones, while "karat" is specific to gold purity, indicating the proportion of gold in an alloy.

How does carat affect the value of gold?
The carat affects the value of gold by indicating its purity. Higher carat gold, such as 22 or 24 carats, is more valuable because it contains a greater percentage of pure gold. Conversely, lower carat gold, like 14 or 18 carats, contains more alloy metals, reducing its value. The carat value influences the gold's market price, durability, and appeal, with higher carat gold being softer, more malleable, and more expensive.

Why is carat important in gemstones?
Carat is crucial in gemstones as it measures the weight, significantly impacting a gem's value and market price. One carat equals 200 milligrams, with larger gemstones being rarer and more valuable. Carat weight, along with cut, colour, and clarity, determines a gemstone's overall worth. Accurate carat measurement is essential for fair valuation and transparent trading in the gemstone market, ensuring buyers and sellers can accurately appraise and negotiate the price of these precious stones.

What is karat vs carat?
"Karat" and "carat" are terms used to measure different aspects of jewellery. "Karat" (K) refers to the purity of gold, with 24 karats being pure gold. It indicates how much gold is present in an alloy. "Carat" (ct) is a unit of weight used for gemstones, with one carat equalling 200 milligrams. While "karat" measures gold quality, "carat" measures the size and weight of gems, influencing their value in jewellery.

Can I use carat gold as collateral for a loan?
Yes, you can use carat gold as collateral for a loan in India. Financial institutions accept gold jewellery of varying carat values, typically ranging from 18-22, to secure loans. The loan amount is determined based on the gold's purity and current market value. Using carat gold as collateral offers quick access to funds with relatively lower interest rates compared to unsecured loans, while allowing borrowers to retain ownership of their gold.

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