1 Carat Natural Diamond Prices Comparison
As of May 2026, the average price of a 1 carat natural diamond is $3,674.1 carat diamonds can cost anywhere from $408 to $13,290 depending on shape, color, clarity, and other factors.In the last month, prices for these diamonds are up 0.5%.Compare 67,290 verified listings across 11 retailers in the tables below.
1 Carat Natural Diamond Market Overview
CaratRadar currently tracks 67,290 verified 1-carat natural diamonds listed across 11 online retailers. Prices in this segment range from $408 to $13,290, with an average asking price of $3,674 and a median of $3,394.
The price spread of $12,882 (96.9% from highest to lowest) highlights why comparing identical certified diamonds across multiple retailers matters. Two identical certified diamonds can differ by hundreds or even thousands of dollars depending on the retailer.
These figures are based on our latest daily market data, matched by certification lab and certificate number across retailers, so you are comparing the exact same diamond.
67,290 diamonds tracked in this segment
Price range: $408 to $13,290
Average price: $3,674
Median price: $3,394
Available across 11 retailers
Savings potential: up to 96.9%
Price Range Overview
As of May 29, 2026Real market range for this carat, shape, and diamond type.
67,290
$408
$3,674
$3,394
$13,290
Price History
Price Comparison Matrix
1 Carat Natural Diamond Prices by Shape
Shape-level averages for this carat and type. Open each shape page for full market detail.
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
Save 40.5%GIA | 1.02ct | Cushion | L | SI1 | Very Good
From $719
Compare at $1,207
Save 33.1%GIA | 1.01ct | Radiant | L | SI2 | Excellent
From $773
Compare at $1,156
Save 15.5%GIA | 1.03ct | Princess | L | SI2 | Excellent
From $797
Compare at $943
Save 31.8%IGI | 1ct | Princess | K | SI1 | Very Good
From $808
Compare at $1,184
Save 31.8%IGI | 1ct | Princess | K | SI1 | Very Good
From $808
Compare at $1,184
Save 29.3%GIA | 1.01ct | Pear | L | SI1 | Very Good
From $813
Compare at $1,150
Save 24.5%IGI | 1ct | Oval | I | SI2 | Ideal
From $815
Compare at $1,080
Save 31.8%IGI | 1.01ct | Princess | K | SI1 | Very Good
From $816
Compare at $1,196
Save 31.8%IGI | 1.01ct | Princess | K | SI1 | Very Good
From $816
Compare at $1,196
Save 31.8%IGI | 1.01ct | Princess | K | SI1 | Very Good
From $816
Compare at $1,196
Save 40.4%GIA | 1.01ct | Asscher | L | VS1 | Ideal
From $819
Compare at $1,374
Save 40.4%GIA | 1.01ct | Cushion | L | VVS2 | Very Good
From $824
Compare at $1,382
Save 32.5%GIA | 1ct | Cushion | K | SI1 | Very Good
From $826
Compare at $1,223
Save 15.4%GIA | 1ct | Princess | K | SI1 | Ideal
From $827
Compare at $978
Save 15.4%GIA | 1ct | Oval | L | SI2 | Very Good
From $827
Compare at $978
Save 32.5%GIA | 1ct | Princess | K | SI2 | Excellent
From $834
Compare at $1,236
Save 15.1%GIA | 1.02ct | Cushion | K | SI2 | Very Good
From $839
Compare at $989
Save 19.4%IGI | 1.01ct | Pear | J | SI2 | Ideal
From $846
Compare at $1,050
Save 37.7%GIA | 1.1ct | Pear | J | SI1 | Ideal
From $856
Compare at $1,375
Save 15.4%GIA | 1.01ct | Oval | L | SI2 | Very Good
From $862
Compare at $1,019
Save 32.5%GIA | 1ct | Emerald | L | VS2 | Good
From $863
Compare at $1,279
Save 36.5%GIA | 1.02ct | Emerald | J | SI2 | Ideal
From $864
Compare at $1,360
Save 29.8%GIA | 1ct | Emerald | L | SI2 | Excellent
From $868
Compare at $1,236
Save 32.5%GIA | 1.02ct | Cushion | K | SI2 | Ideal
From $872
Compare at $1,292
Save 19.1%IGI | 1ct | Asscher | K | VS2 | Very Good
From $874
Compare at $1,080
Save 34.5%GIA | 1.01ct | Pear | L | SI1 | Ideal
From $875
Compare at $1,335
Save 20.4%GIA | 1ct | Emerald | L | SI1 | Excellent
From $875
Compare at $1,100
Save 32.5%GIA | 1ct | Cushion | K | VS2 | Very Good
From $876
Compare at $1,298
Save 40.3%GIA | 1.01ct | Oval | L | SI2 | Excellent
From $877
Compare at $1,470
Save 23.1%GIA | 1ct | Cushion | K | SI1 | Excellent
From $877
Compare at $1,140
Save 40.3%GIA | 1.01ct | Radiant | L | SI2 | Very Good
From $877
Compare at $1,470
Save 11.9%GIA | 1.02ct | Pear | L | SI2 | Very Good
From $879
Compare at $998
Save 23.2%IGI | 1ct | Oval | K | SI1 | Ideal
From $880
Compare at $1,146
Save 40.6%GIA | 1ct | Cushion | L | VVS1 | Very Good
From $881
Compare at $1,484
Save 11.2%IGI | 1ct | Pear | K | SI1 | Ideal
From $884
Compare at $995
Save 17%IGI | 1ct | Heart | K | SI1 | Ideal
From $884
Compare at $1,065
Save 16.9%IGI | 1.01ct | Emerald | K | SI1 | Very Good
From $885
Compare at $1,065
Save 10.2%IGI | 1.01ct | Emerald | J | VS2 | Ideal
From $885
Compare at $985
Save 23.1%GIA | 1.01ct | Cushion | K | SI1 | Excellent
From $886
Compare at $1,152
Save 40.6%GIA | 1.01ct | Asscher | L | VVS2 | Ideal
From $890
Compare at $1,499
Save 40.6%GIA | 1.01ct | Princess | J | SI2 | Ideal
From $890
Compare at $1,499
Save 40.6%GIA | 1.01ct | Princess | J | SI2 | Ideal
From $890
Compare at $1,499
Save 40.6%GIA | 1.01ct | Cushion | J | SI2 | Very Good
From $890
Compare at $1,499
Save 13.8%GIA | 1ct | Round | L | SI2 | Very Good
From $891
Compare at $1,034
Save 32.5%GIA | 1.02ct | Oval | K | SI2 | Excellent
From $893
Compare at $1,323
Save 17.7%GIA | 1ct | Cushion | L | SI2 | Very Good
From $898
Compare at $1,092
Save 17.7%GIA | 1ct | Cushion | L | SI2 | Excellent
From $898
Compare at $1,092
Save 22.5%IGI | 1ct | Oval | I | SI2 | Ideal
From $907
Compare at $1,170
IGI | 1.02ct | Cushion | K | SI1 | Very Good
From $910
Compare at $963
Save 35.7%GIA | 1ct | Pear | L | SI1 | Very Good
From $912
Compare at $1,418
Entry pricing in this category starts around $408.
What to Know When Shopping for 1 Carat Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $12,882 or more.
- Focus on the 4Cs that matter most to you. Color and clarity grades drive price more than cut in many segments, but cut affects sparkle the most.
- The median price of $3,394 is a useful benchmark. If you see a deal significantly below this, verify the retailer's reputation and return policy.
- Consider eye-clean alternatives. Moving one clarity grade down (e.g., VS2 to SI1) can save 10-15% with no visible difference to the naked eye.
- Compare natural vs. lab-grown options for the same carat and shape. Lab-grown diamonds are chemically identical but often 30-50% less expensive.
- Check shipping, insurance, and return policies. The lowest sticker price is not always the best deal once you factor in total cost of purchase.
Frequently Asked Questions
We currently track 67,290 comparable stones in this segment. Prices start around $408 and go up to $13,290.
Based on the latest market data, the average asking price is about $3,674 with a median around $3,394.
The observed spread is roughly $12,882 across tracked listings, which is about 96.9% from highest to lowest offer in this bucket.
We refresh pricing data daily so these pages stay current with market changes.
Based on completed market data, the fair market benchmark is $3,674. The median price is $3,394, so offers between the median and fair benchmark can be reasonable, while reputable listings below the median may be especially competitive.
We currently track this stone category across 11 online retailers, giving you a broad view of the competitive landscape.
For most buyers, color differences below G are hard to detect once set in a ring. Clarity grades of VS2 and above are typically eye-clean. Prioritize cut quality for maximum brilliance, then balance color and clarity based on your budget.
Retailer pricing strategies, overhead costs, and margin targets all contribute. The exact certified diamond can differ by $12,882 across sellers, which is why direct certified-diamond comparison is essential.
We match diamonds across retailers by their certification lab and certificate number. This means the prices you see are for the exact same physical diamond, not just stones with similar specs. It is a true apples-to-apples comparison.
Diamond prices fluctuate based on supply and demand. Our data refreshes regularly so you can track trends over time. Use the price range on this page as a benchmark and compare it to historical averages when available.
Diamond Terminology
- Carat
- A unit of weight for diamonds equal to 200 milligrams. Larger carat weights are exponentially rarer, which is why prices increase non-linearly with size.
- Cut
- Refers to how well a diamond's facets interact with light. Cut quality ranges from Ideal to Poor and is the single biggest factor affecting a diamond's brilliance.
- Color
- Grades a diamond's lack of color on a scale from D (colorless) to Z (light yellow). Grades D-F are considered colorless; G-J are near-colorless and offer good value.
- Clarity
- Measures the presence of internal inclusions or surface blemishes. Grades range from Flawless (FL) to Included (I3). Most inclusions in VS2 and above are invisible to the naked eye.
Related Price Categories
Explore adjacent carat ranges and shapes to compare market shifts.
1 Carat Round Natural Diamond Prices
1 Carat Oval Natural Diamond Prices
1 Carat Emerald Natural Diamond Prices
1 Carat Cushion Natural Diamond Prices
1 Carat Pear Natural Diamond Prices
1 Carat Heart Natural Diamond Prices
1 Carat Princess Natural Diamond Prices
1 Carat Radiant Natural Diamond Prices
1 Carat Asscher Natural Diamond Prices
1 Carat Marquise Natural Diamond Prices
Tracking Natural inventory for 1 carat all-shape diamonds.