How big is a 3 carat square cushion diamond?

A 3 carat square cushion diamond typically measures about 8.3 x 8.0 mm, based on the stones in our stock today. Exact measurements are on each stone's certificate.

How much does a 3 carat square cushion natural diamond cost?

Today our 3 carat square cushion natural diamonds range from $24,791 to $189,825, across 141 stones. Colour, clarity, cut and the exact carat weight make the difference.

Should I choose a natural or lab grown 3 carat square cushion diamond?

A natural diamond is formed over billions of years and each one is rare; many buyers value that origin. A lab grown diamond of the same grades costs far less. Today the lowest priced 3 carat square cushion diamond in our stock is $24,791 natural, against $1,114 lab grown. Both are graded on the same 4Cs and come with a certificate.

What colour and clarity should a 3 carat square cushion diamond be?

At three carats colour and clarity are easy to see, so we suggest F or G colour and VS2 or better clarity, with VS1 or better for step cuts.

3 Carat Square Cushion Natural Diamonds

Browse 141 certified 3 carat square cushion natural diamonds, each with an independent grading report and prices from $24,791. Every stone formed in the earth over billions of years, and stock updates daily.