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Carat Diamond
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Lab Grown Diamond Size
CT
Carat refers to a lab grown diamond's weight and gives you a sense of its size. The unit of weight for lab grown diamonds is the metric carat, which is one-fifth of a gram and is divided into 100 points. A bigger lab grown diamond doesn't always mean a more expensive one; you have to consider all the 4 C's. Here's a tip: When you compare lab grown diamond carat sizes, consider a lab grown diamond's cut. A high-carat lab grown diamond with a poor cut grade can look smaller, often featuring a deeper cut, rather than a lab grown diamond with a smaller carat and a far better cut.
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.25 CT
(4.1 MM)
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.5 CT
(5.1 MM)
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.75 CT
(5.8 MM)
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.1 CT
(6.4 MM)
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1.25 CT
(6.9 MM)
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1.5 CT
(7.4 MM)
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1.75 CT
(7.8 MM)
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2 CT+
(8.1 MM)
CT
Color
Near Colorless
When talking about a lab grown diamond's colour, we refer to the lack of colour when grading its whiteness. The highest quality lab grown diamonds are colourless, which can be graded from a scale from D to Z, D represents a colourless lab grown diamond and Z refers to a light yellow or brown colour. At ROCKRUSH, we carry K+ coloured lab grown diamonds that provide plenty of brilliance and radiance.
Clarity
A lab grown diamond's clarity refers to imperfections found on the surface or internally. Internal flaws are called inclusions, whilst external imperfections are referred to as blemishes. The majority of lab grown diamonds, both mined and Lab Grown, feature inclusions and blemishes on a microscopic scale, which is why even lab grown diamonds with the highest clarity grade feature slight inclusions. At ROCKRUSH, we reject 60% of all gem-grade lab grown diamonds, which is a level above the average. The minor inclusions featured in our Lab Grown Diamonds are entirely invisible to the naked eye.
