Why is a 1 Carat Diamond the Most Popular Size for an Engagement Ring?

Delicate thin 18K white gold ring with micro pavè diamonds in French setting

What is the average size of engagement ring diamond center?

1 carat diamond

One of the issues men deal with before they propose is what size diamond to buy. Most men are probably wondering what the average center stone size for an engagement ring is before they purchase the diamond, especially if they need to save money or if they are on a tight budget.
Market research shows that the average size of an engagement ring center in USA is around that of a 1 carat diamond and between 0.5-1.00 carat in other countries. It is it is interesting to note that the average size varies within the same country. Localized variations seem to be related to the level of income. The size of the stone has become a status symbol, men with higher income are “expected” to purchase bigger stone.

Why is the average size a 1 carat diamond?

1 carat diamond

Is there a good reason why the majority of people purchase a 1 carat diamond engagement ring? Yes, there is.
When buying a 1 carat diamond you get the most for your money.
Diamond’s prices increase exponentially not linearly. This means that the price of a 2 carat diamond will not be twice the price of a 1 carat. It will be much higher.
The bigger the stone the higher the difference in price. Depending on the quality, a 6 carat diamond can cost 20 times more than a 1 carat.

1 carat diamond

The secret for getting the best value for your money

1 carat diamond

Most human beings are drawn towards things that are whole, complete. It is the same for diamond size. If offered both, most people prefer to buy a 1.00 carat over a 0.98 carat stone.
That’s precisely why most diamonds are cut in half and whole increments, as pricing is based on those thresholds.

Is the choice economical? The answer is not really.

The truth is that whatever size you prefer, buying just under whole carat marks can save you hundreds of dollars.
Let’s say you decide to get a 1 carat stone,you will get more for your money if you purchase a 0.8-0.99 carat stone. Why? Because, with all other parameters equal, the price of a 1 carat diamond is about 35% higher than a 0.90 carat, The change in weight is only 0.1 Carat, which is only 10% and visually, you won’t be able to tell the difference.

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