Every diamond buyer wants the most sparkling stone and round brilliant cut is known as the most sparkling shapes. That's the reason why ladies prefer a round brilliant diamond as their engagement ring centerpiece. According to a study, more than 75% rings sold in the market are round cut engagement rings. Although round brilliant cut is popular than any other shape but popularity isn't the major factor that drive up the price of the stone. As a matter of fact, it takes a larger rough diamond to cut a round brilliant diamond than any other shape. There is a higher loss of rough stone while cutting a round shape so the cost for each carat of round cut is relatively higher than any other shape. This is the main reason why round cut engagement rings are more expensive. However, the higher demand of a round cut plays a secondary role in escalating its price.
Yield of The Rough Stone
When they're mined, most of them don't come in a perfect shape so experts try to get the most out of each rough stone they get. Fancy shapes can be extracted from an uneven shaped rough stone but a round brilliant diamond can be cut out of a properly shaped rough diamond block. There is a very simple diagram provided below showing how much amount of rough goes in vain while cutting a round brilliant diamond.
Some of the rough carry certain inclusions inside them so these diamonds receive lower quality grades and they're sold at lower prices.
Price Difference between a Round Cut and Other Shapes
Round cut are 25% –. 30% more expensive than other shapes. Choosing a fancy shaped engagement ring saves the buyer over 25%. Following are the numbers showing how a shape affects its price.
The above mentioned numbers are an average prices of a 1 carat, G color diamond with a very good cut and VS2 clarity. The shape is an important when buying a diamond as it directly influences the price. According to a study, almost 30% of all engagement rings are created with fancy shaped diamonds.
Today's round brilliant cut diamond has 58 facets including the culet. On the top part of diamond, it's 1 table facet, 8 bezels, 8 stars. 16 upper girdle facets. On the bottom part, there are 16 lower girdle facets, 8 pavilion facets. 1 culet.
These 58 facets acts like an optical prism so the round shape gives more sparkles than any other diamond shape. This is why every 3 out of 5 ladies prefer round diamond engagement rings. Round cut is the classic shape of a diamond. Centuries have passed but its demand is still high. This is evergreen shape of the diamond!