1 Carat Diamonds

Make a brilliant statement with a ring or necklace featuring a sparkling 1 carat diamond from Blue Nile. One carat diamonds are very popular here, since they strike a nice balance between size and value. Shop our full selection of 1 carat diamond shapes, prioritizing cut grade to maximize brilliance.


24 of 50,228 1 Carat Diamonds

FAQs About 1 Carat Diamonds

Many factors affect the price of any loose diamond, including shape, carat weight, cut, color, and clarity. Fancy-cut diamonds are more budget-friendly per carat weight than round brilliant diamonds of the same quality.

The size of a 1 carat diamond varies based on the diamond shape selected. Our diamond size chart breaks down the differences in the shapes.

When you want the look of a 1 carat diamond without a hefty price tag, consider "buying shy." This means purchasing a diamond with a carat size of .90 to .99 instead of a full carat. The difference won't be very discernible to the eye, but it will lower the price.

The term “carat weight” refers to a single diamond. The term “carat total weight” refers to all the diamonds used in a single piece. You'll hear carat total weight with diamond sidestone settings, halo settings, and other styles that use smaller stones to enhance the look of the center stone.

Top 1 Carat Diamond Reviews

A closeup of a hand wearing four different diamond engagement rings.

Gorgeous Channel Engagement Ring

This ring is absolutely gorgeous, and with a little over 1 carat princess surrounded my multiple stones, it sparkles! I’m super excited to put it on an even more gorgeous woman!
Deanne S. - Verified Buyer
Average Customer Rating $5 out of 5 stars
Princess Cut Channel Set Diamond Engagement Ring
14k White Gold (1/2 ct. tw.)



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