1 Carat Natural Diamond Prices Comparison
As of July 2026, the average price of a 1 carat natural diamond is $3,634.1 carat diamonds can cost anywhere from $376 to $13,211 depending on shape, color, clarity, and other factors.In the last month, prices for these diamonds are down 0.4%.Compare 62,009 verified listings across 12 retailers in the tables below.
1 Carat Natural Diamond Market Overview
CaratRadar currently tracks 62,009 verified 1-carat natural diamonds listed across 12 online retailers. Prices in this segment range from $376 to $13,211, with an average asking price of $3,634 and a median of $3,354.
The price spread of $12,835 (97.2% 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.
62,009 diamonds tracked in this segment
Price range: $376 to $13,211
Average price: $3,634
Median price: $3,354
Available across 12 retailers
Savings potential: up to 97.2%
Price Range Overview
As of Jul 13, 2026Real market range for this carat, shape, and diamond type.
62,009
$376
$3,634
$3,354
$13,211
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.
IGI | 1ct | Oval | J | I1 | Ideal
From $454
Compare at $503
Save 10.3%IGI | 1.01ct | Oval | L | SI2 | Ideal
From $506
Compare at $564
Save 10.4%IGI | 1.01ct | Oval | J | SI2 | Ideal
From $511
Compare at $570
Save 10.6%IGI | 1ct | Pear | K | I1 | Ideal
From $537
Compare at $601
Save 15.1%IGI | 1ct | Round | G | I1 | Good
From $629
Compare at $741
Save 19.2%IGI | 1.01ct | Pear | L | I1 | Ideal
From $655
Compare at $811
Save 23.5%IGI | 1.01ct | Round | G | I1 | Very Good
From $672
Compare at $879
Save 20.1%IGI | 1.02ct | Pear | E | I1 | Ideal
From $673
Compare at $842
Save 12.5%IGI | 1ct | Oval | L | SI2 | Very Good
From $677
Compare at $774
IGI | 1ct | Radiant | K | SI1 | Very Good
From $694
Compare at $695
Save 20.1%HRD | 1.01ct | Oval | I | SI2 | Ideal
From $698
Compare at $874
IGI | 1.02ct | Cushion | K | SI1 | Very Good
From $707
Compare at $710
Save 12.5%IGI | 1ct | Pear | I | SI2 | Very Good
From $708
Compare at $809
Save 12.6%IGI | 1.01ct | Pear | E | I1 | Ideal
From $709
Compare at $811
Save 12.4%HRD | 1ct | Pear | G | I1 | Ideal
From $711
Compare at $812
Save 12.4%IGI | 1.06ct | Pear | F | I1 | Ideal
From $723
Compare at $825
Save 20.2%HRD | 1ct | Radiant | G | SI2 | Ideal
From $724
Compare at $907
Save 12.3%HRD | 1ct | Pear | G | I1 | Ideal
From $739
Compare at $843
Save 12.3%IGI | 1.02ct | Pear | K | SI2 | Very Good
From $747
Compare at $852
IGI | 1.01ct | Oval | F | I1 | Very Good
From $750
Compare at $780
Save 12.4%HRD | 1ct | Oval | I | I1 | Excellent
From $752
Compare at $858
Save 10.2%IGI | 1ct | Oval | J | SI2 | Ideal
From $752
Compare at $837
Save 20.5%IGI | 1.01ct | Oval | J | I1 | Very Good
From $754
Compare at $948
Save 10.1%IGI | 1.01ct | Oval | L | SI2 | Excellent
From $754
Compare at $839
Save 34.4%GIA | 1ct | Oval | L | SI2 | Very Good
From $762
Compare at $1,162
Save 20.4%HRD | 1.01ct | Oval | H | I1 | Ideal
From $765
Compare at $961
Save 21.4%IGI | 1.01ct | Pear | I | SI2 | Ideal
From $765
Compare at $973
IGI | 1ct | Pear | K | SI1 | Ideal
From $767
Compare at $770
IGI | 1.02ct | Round | F | I1 | Very Good
From $768
Compare at $790
IGI | 1.02ct | Pear | J | SI2 | Excellent
From $775
Compare at $861
Save 12.4%IGI | 1.01ct | Pear | E | I1 | Ideal
From $780
Compare at $890
Save 10.5%IGI | 1ct | Pear | I | SI2 | Very Good
From $781
Compare at $873
IGI | 1ct | Round | L | SI2 | Very Good
From $782
Compare at $814
Save 34.3%GIA | 1.01ct | Radiant | J | SI2 | Excellent
From $784
Compare at $1,194
IGI | 1.02ct | Oval | J | SI2 | Ideal
From $786
Compare at $872
Save 20.9%GIA | 1ct | Emerald | L | SI2 | Excellent
From $793
Compare at $1,003
IGI | 1.01ct | Radiant | J | SI1 | Very Good
From $793
Compare at $795
IGI | 1.03ct | Oval | I | SI2 | Ideal
From $795
Compare at $882
Save 34.5%GIA | 1ct | Oval | K | SI2 | Excellent
From $802
Compare at $1,224
IGI | 1.05ct | Princess | L | I1 | Good
From $802
Compare at $820
Save 34.4%GIA | 1.01ct | Oval | L | SI2 | Very Good
From $808
Compare at $1,232
Save 12.2%HRD | 1.01ct | Oval | J | SI2 | Ideal
From $810
Compare at $923
IGI | 1.05ct | Emerald | J | SI2 | Ideal
From $810
Compare at $899
IGI | 1.03ct | Round | K | SI2 | Excellent
From $810
Compare at $899
IGI | 1ct | Round | L | SI2 | Excellent
From $811
Compare at $845
IGI | 1ct | Round | L | I1 | Very Good
From $812
Compare at $847
HRD | 1.02ct | Pear | H | SI2 | Ideal
From $813
Compare at $903
GIA | 1.02ct | Oval | K | SI2 | Excellent
From $815
Compare at $905
Save 12.3%IGI | 1.02ct | Marquise | G | I1 | Very Good
From $815
Compare at $929
Save 34.4%GIA | 1ct | Pear | J | SI2 | Very Good
From $817
Compare at $1,246
Entry pricing in this category starts around $376.
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 $12,835 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 $3,354 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 62,009 comparable stones in this segment. Prices start around $376 and go up to $13,211.
Based on the latest market data, the average asking price is about $3,634 with a median around $3,354.
The observed spread is roughly $12,835 across tracked listings, which is about 97.2% 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 $3,634. The median price is $3,354, 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 12 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 $12,835 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 Princess Natural Diamond Prices
1 Carat Heart Natural Diamond Prices
1 Carat Radiant Natural Diamond Prices
1 Carat Marquise Natural Diamond Prices
1 Carat Asscher Natural Diamond Prices
Tracking Natural inventory for 1 carat all-shape diamonds.