916 gold is 22/24 karat gold with 91.6 grams of pure gold. Since pure or 24-karat gold is too fragile in its physical characteristics for delicate processing, 916 gold is prioritized for making jewelleries.

## Is 24K gold Same as 916?

There is no difference. They are the same. The 916 gold has a proportion of 91.6 grams pure 24 karat gold in 100 grams of alloy (22/24 in percentage is 91.6%) and hence, called 22 karat. The purest gold is 24K but it is too soft to make jewellery.

## Does 24 carat gold have hallmark?

Hallmark is a sign of purity of gold and any grade (24K, 22K, 18K, 14K and so on) can be hallmarked. The consumer will only be charged for the gold, as per the purity, that is being added in the gold coin or in jewellery.

## How can I check the purity of 24 karat gold?

To convert karats into the per centage, you need to divide the karat number by 24 and multiply the result by 100. So, for example, to find out the gold per centage in your 22 karat ring, divide 22 by 24, the result is 0.9166, multiply it with 100, so it equals to 91.66 per cent - thats the purity of your gold.

## What is the most expensive diamonds in the world?

Most Expensive Diamonds in the WorldThe Oppenheimer Blue Diamond: $57.5 million. The Regent Diamond: $61 million. CTF Pink Star Diamond: $71.2 million. De Beers Centenary Diamond: $100 millon. The Hope Diamond: $250 million. The Cullinan Diamond: over $400 million. Mountain of Light Diamond (Koh-I-Noor): Priceless.More items