How big is a 1 carat elongated cushion diamond?

A 1 carat elongated cushion diamond typically measures about 6.6 x 5.2 mm, based on the stones in our stock today. Exact measurements are on each stone's certificate.

How much does a 1 carat elongated cushion natural diamond cost?

Today our 1 carat elongated cushion natural diamonds range from £858 to £13,267, across 3,725 stones. Colour, clarity, cut and the exact carat weight make the difference.

Should I choose a natural or lab grown 1 carat elongated 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 1 carat elongated cushion diamond in our stock is £847 natural, against £220 lab grown. Both are graded on the same 4Cs and come with a certificate.

What colour and clarity should a 1 carat elongated cushion diamond be?

At this size G or H colour and VS2 or SI1 clarity usually look white and clean to the eye, leaving more of your budget for cut and size.

1 Carat Elongated Cushion Natural Diamonds

Browse 3,725 certified 1 carat elongated cushion natural diamonds, each with an independent grading report and prices from £858. Every stone formed in the earth over billions of years, and stock updates daily.