How big is a 3 carat round diamond?

A 3 carat round diamond typically measures about 9.2 mm across, based on the stones in our stock today. Exact measurements are on each stone's certificate.

How much does a 3 carat round natural diamond cost?

Today our 3 carat round natural diamonds range from $20,519 to $842,424, across 2,348 stones. Colour, clarity, cut and the exact carat weight make the difference.

Should I choose a natural or lab grown 3 carat round 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 round diamond in our stock is $20,519 natural, against $1,108 lab grown. Both are graded on the same 4Cs and come with a certificate.

What colour and clarity should a 3 carat round 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 Round Natural Diamonds

Browse 2,348 certified 3 carat round natural diamonds, each with an independent grading report and prices from $20,519. Every stone formed in the earth over billions of years, and stock updates daily.