Make a brilliant statement with jewelry featuring a sparkling 1 carat diamond from our collection. One carat diamonds are a popular choice, as they strike an excellent balance between size and value. Explore our selection of certified one carat diamonds in a full array of shapes for any setting. Design a 1 carat diamond ring, pendant necklace, earrings, or other jewelry styles with our high-quality 1 carat loose diamonds.
The exact 1 carat diamond price of an individual gemstone will depend on its 4Cs along with the diamond’s shape. We offer a leading selection of loose one carat diamonds for sale in a variety of shapes, quality ratings and styles to match any budget. Our selection of certified 1 CT diamonds represents some of our most affordable gems. They are popular for engagement rings and other timeless jewelry.
How big is a 1 carat diamond?
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.
Is there a way to buy a 1 carat diamond for less?
When you want the look of a 1 carat diamond with a lower 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 1 carat diamond price for a gem that weighs exactly one carat will be higher than one that’s just shy of a full carat. Depending on the diamond’s shape and cut, it may be tough to discern between a diamond that weighs exactly one carat and another diamond that’s just shy of the 1 CT mark. Buying shy is a popular way to get the 1 carat diamond look at a lower price.
What is the difference between carat weight and carat total weight (CTTW)?
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 engagement ring settings, and other styles that use smaller stones to enhance the look of the center stone.
Is a 1 carat diamond a good size?
1 carat engagement rings are a classic choice that offers impressive sparkle. Generally, 1 carat diamond rings are considered a great size for timeless styles. Of course, jewelry preferences, your budget and the chosen ring setting will also influence whether a 1 carat diamond ring is the right choice for your purchase.
For earrings and necklaces, 1 carat diamonds offer impressive sparkle in unique settings or solitaire styles.
What shapes are best in 1 carat?
All diamond shapes shine at 1 carat. More faceted cuts, such as princess diamonds, are right at home in the 1 CT range. Other fancy cuts, such as Asscher cut, also sparkle in the 1 CT size. Different diamonds will appear larger or smaller in this size depending on how they are cut.
We offer many popular shapes in one carat diamond sizes. Browse our wide selection of IGI and GIA certified 1 carat loose diamonds in popular shapes such as round, princess, cushion, oval, emerald, pear, Asscher, heart, radiant, and marquise.
What ring setting types are best for this weight?
A 1 carat diamond ring looks stylish in any design. You can go the classic route with a solitaire ring or choose from unique engagement rings that offer creative styles. Vintage-inspired, designer and even three-stone engagement rings are perfect with a 1 CT center stone.
Is it a good idea to add a halo to this size diamond?
Many 1 carat engagement rings feature a halo of additional diamonds or gemstones to enhance the overall sparkle. If you are looking to add extra brilliance, incorporate other gemstones or you’d like to simply maximize the size appearance of a center diamond, a halo can be a great addition to the 1 carat diamond.
How big will this diamond be on the finger?
Different diamond shapes will offer different levels of coverage on the wearer’s finger. If you’re looking to maximize finger coverage, consider a fancy cut elongated gemstone such as an oval diamond, an emerald cut diamond or a pear-shaped diamond.
How many carats should an engagement ring be?
There is no set rule for how many carats an engagement ring or wedding band should be. The right carat weight is the one that best fits your budget and matches the wearer’s style. A 1 carat diamond ring brings the perfect balance of style and price for many people.
How do I maximize my budget for a 1 CT diamond?
As the most important of the 4Cs, cut is the first factor you should consider when shopping for 1 CT diamond rings or loose stones. Prioritize the best diamond cut grade in your budget to maximize brilliance.
Do 1 CT diamonds mask color?
The larger a diamond is, the more apparent its coloration may be. The right cut and setting can help mask color.
How much is a 1 carat diamond worth?
Not all diamonds are priced equally, and 1 carat diamonds with higher GIA or IGI grading reports will often carry higher prices than diamonds with lower grades.
At Blue Nile, we offer graded loose one carat diamonds for a wide range of budgets and styles. The diamond report assesses an individual diamond’s color, cut, clarity, and carat.
Browse our full selection of loose 1 carat diamonds to find the perfect gem for your budget and style.
What are some tips for buying loose 1 carat diamonds?
Keep your budget and the diamond factors that are most important to you in mind when shopping our variety of loose 1 carat diamonds for sale. It's important to remember that diamond carat doesn’t equal the exact size of a diamond, as each individual diamond can be faceted differently to highlight its best elements. That being said, most 1 carat diamonds will generally have similar measurements in similar cuts and shapes. Visit our local jewelry stores or schedule your virtual jewelry shopping appointment to learn more.
Are lab grown 1 CT diamonds available?
Yes, in addition to a wide selection of natural one carat diamonds for sale, we also offer this carat weight in lab grown diamonds of various shapes.
How do I find the right ring size?
If you’re shopping for a 1 carat diamond ring, you can use our free ring sizer to find the right fit.
What metals are best for 1 carat diamond rings?
Yellow gold, white gold, rose gold, and platinum are the most popular precious metals for high-quality 1 CT diamond rings.
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