How big is a 1.5 carat square radiant diamond?

A 1.5 carat square radiant diamond typically measures about 6.5 x 6.3 mm, based on the stones in our stock today. Exact measurements are on each stone's certificate.

How much does a 1.5 carat square radiant lab grown diamond cost?

Today our 1.5 carat square radiant lab grown diamonds range from $588 to $3,633, across 317 stones. Colour, clarity, cut and the exact carat weight make the difference.

Should I choose a natural or lab grown 1.5 carat square radiant diamond?

A lab grown diamond has the same chemistry, hardness and sparkle as a natural diamond, at a fraction of the price, which is why it is a popular way to reach a larger size. Today the lowest priced 1.5 carat square radiant diamond in our stock is $588 lab grown, against $6,290 natural. Both are graded on the same 4Cs and come with a certificate.

What colour and clarity should a 1.5 carat square radiant diamond be?

Colour and inclusions start to show more at this size, so G or better and VS2 or better are worth considering, particularly in step cuts.

1.5 Carat Square Radiant Lab Grown Diamonds

Browse 317 certified 1.5 carat square radiant lab grown diamonds, each with an independent grading report and prices from $588. Every stone is a real diamond grown in a laboratory, with the same sparkle and hardness as a natural diamond, and stock updates daily.