How big is a 5 carat square cushion diamond?

A 5 carat square cushion diamond typically measures about 9.9 x 9.7 mm, based on the stones in our stock today. Exact measurements are on each stone's certificate.

How much does a 5 carat square cushion lab grown diamond cost?

Today our 5 carat square cushion lab grown diamonds range from $1,936 to $127,169, across 1,598 stones. Colour, clarity, cut and the exact carat weight make the difference.

Should I choose a natural or lab grown 5 carat square cushion 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 5 carat square cushion diamond in our stock is $1,936 lab grown, against $66,951 natural. Both are graded on the same 4Cs and come with a certificate.

What colour and clarity should a 5 carat square cushion diamond be?

At five carats every detail shows, so we suggest F colour or better and VS1 or better clarity, and checking each stone's photo and certificate closely.

5 Carat Square Cushion Lab Grown Diamonds

Browse 1,598 certified 5 carat square cushion lab grown diamonds, each with an independent grading report and prices from $1,936. Every stone is a real diamond grown in a laboratory, with the same sparkle and hardness as a natural diamond, and stock updates daily.