1.3 Carat Round Natural Diamond Prices Comparison
As of February 2026, 1.3 carat round natural diamonds usually range from $428 to $22,329, with an average price of $6,759.In the last month, prices for these diamonds are down 1%.Compare 2,495 verified listings across 7 retailers tracked by CaratRadar.
1.3 Carat Round Natural Diamond Market Overview
CaratRadar currently tracks 2,495 verified 1.3-carat round natural diamonds listed across 7 online retailers. Prices in this segment range from $428 to $22,329, with an average asking price of $6,759 and a median of $5,690.
The price spread of $21,901 (98.1% 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.
2,495 diamonds tracked in this segment
Price range: $428 to $22,329
Average price: $6,759
Median price: $5,690
Available across 7 retailers
Savings potential: up to 98.1%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
2,495
$428
$6,759
$5,690
$22,329
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
GIASave 32.7%1.25ct | Round | I | VS2 | Excellent
From $4,000
Compare at $5,947
GIASave 32.6%1.25ct | Round | I | VS2 | Excellent
From $3,990
Compare at $5,922
GIASave 30.3%1.25ct | Round | K | VVS1 | Excellent
From $3,185
Compare at $4,572
GIASave 27.9%1.25ct | Round | G | VS2 | Ideal
From $4,877
Compare at $6,763
GIA1.25ct | Round | J | VS1 | Excellent
From $3,778
Compare at $3,921
GIA1.25ct | Round | H | VVS2 | Excellent
From $5,920
Compare at $6,089
GIASave 26.5%1.25ct | Round | F | VS1 | Excellent
From $5,833
Compare at $7,938
GIASave 30.6%1.25ct | Round | F | SI1 | Excellent
From $4,568
Compare at $6,584
GIA1.25ct | Round | G | IF | Ideal
From $8,137
Compare at $8,894
GIA1.25ct | Round | E | VS1 | Excellent
From $13,288
Compare at $13,297
GIA1.25ct | Round | I | VVS2 | Excellent
From $5,915
Compare at $6,262
GIASave 40.5%1.25ct | Round | K | VVS1 | Excellent
From $3,355
Compare at $5,639
GIASave 29.6%1.25ct | Round | E | SI1 | Ideal
From $5,056
Compare at $7,184
GIA1.25ct | Round | H | VS2 | Excellent
From $5,592
Compare at $6,001
GIA1.25ct | Round | I | SI2 | Ideal
From $3,130
Compare at $3,260
GIA1.25ct | Round | H | VVS2 | Ideal
From $5,790
Compare at $5,910
GIA1.25ct | Round | E | VVS2 | Excellent
From $8,514
Compare at $8,988
GIA1.25ct | Round | I | SI1 | Ideal
From $3,640
Compare at $3,822
GIASave 16.9%1.25ct | Round | E | IF | Ideal
From $11,369
Compare at $13,685
GIA1.25ct | Round | I | VS2 | Excellent
From $3,979
Compare at $4,361
GIASave 26.4%1.25ct | Round | G | VS1 | Ideal
From $5,531
Compare at $7,517
GIA1.25ct | Round | D | VVS1 | Ideal
From $14,967
Compare at $14,990
GIASave 28.4%1.25ct | Round | H | VS2 | Excellent
From $7,408
Compare at $10,347
1.25ct | Round | L | IF | Excellent
From $3,392
Compare at $3,488
GIASave 11.3%1.25ct | Round | G | SI1 | Ideal
From $4,046
Compare at $4,559
GIASave 17.9%1.25ct | Round | E | VVS2 | Excellent
From $9,772
Compare at $11,897
GIASave 35.1%1.25ct | Round | E | VVS1 | Ideal
From $12,170
Compare at $18,761
GIA1.25ct | Round | J | SI1 | Ideal
From $2,864
Compare at $2,978
1.25ct | Round | I | VS1 | Ideal
From $4,010
Compare at $4,143
1.25ct | Round | H | VS2 | Excellent
From $8,050
Compare at $9,080
GIA1.25ct | Round | E | VS2 | Excellent
From $9,667
Compare at $9,709
GIASave 24.6%1.25ct | Round | L | SI2 | Excellent
From $1,704
Compare at $2,260
GIA1.25ct | Round | L | SI1 | Excellent
From $2,456
Compare at $2,456
GIA1.25ct | Round | I | SI1 | Excellent
From $5,462
Compare at $5,862
GIASave 30%1.25ct | Round | F | VS2 | Excellent
From $5,401
Compare at $7,712
GIA1.25ct | Round | D | SI2 | Ideal
From $4,210
Compare at $4,393
GIASave 11.3%1.25ct | Round | D | SI1 | Ideal
From $4,399
Compare at $4,961
GIASave 34.5%1.25ct | Round | H | VS1 | Ideal
From $4,887
Compare at $7,459
GIASave 21.8%1.25ct | Round | H | SI1 | Ideal
From $3,214
Compare at $4,112
GIASave 28.9%1.25ct | Round | H | SI1 | Ideal
From $4,613
Compare at $6,485
GIA1.25ct | Round | G | VVS1 | Excellent
From $8,563
Compare at $9,039
GIA1.25ct | Round | I | VS1 | Excellent
From $5,281
Compare at $5,668
GIASave 10.1%1.25ct | Round | H | SI1 | Excellent
From $3,919
Compare at $4,360
GIASave 21.5%1.25ct | Round | G | VVS2 | Ideal
From $6,362
Compare at $8,103
GIA1.25ct | Round | E | VVS1 | Ideal
From $11,166
Compare at $11,474
GIASave 30.9%1.25ct | Round | J | VS1 | Excellent
From $2,752
Compare at $3,983
GIASave 15.6%1.25ct | Round | H | VVS2 | Excellent
From $5,758
Compare at $6,821
1.25ct | Round | H | VS2 | Excellent
From $6,158
Compare at $8,598
GIA1.25ct | Round | I | VVS2 | Excellent
From $6,367
Compare at $6,740
GIASave 28.6%1.25ct | Round | I | VS1 | Excellent
From $3,869
Compare at $5,421
Entry pricing in this category starts around $428.
What to Know When Shopping for 1.3 Carat Round Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $21,901 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 $5,690 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.
- Round brilliants command a premium due to higher rough waste during cutting. If budget matters, consider oval or cushion shapes for similar visual size.
Frequently Asked Questions
We currently track 2,495 comparable stones in this segment. Prices start around $428 and go up to $22,329.
Based on the latest market data, the average asking price is about $6,759 with a median around $5,690.
The observed spread is roughly $21,901 across tracked listings, which is about 98.1% from highest to lowest offer in this bucket.
We refresh pricing data daily so these pages stay current with market changes.
Based on our data, the median price is $5,690, which represents the midpoint of the market. Anything below this figure from a reputable retailer is a solid deal.
We currently track this stone category across 7 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 $21,901 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.
1.2 Carat Round Natural Diamond Prices
1.4 Carat Round Natural Diamond Prices
1.1 Carat Round Natural Diamond Prices
1.5 Carat Round Natural Diamond Prices
1 Carat Round Natural Diamond Prices
1.6 Carat Round Natural Diamond Prices
0.9 Carat Round Natural Diamond Prices
1.3 Carat Oval Natural Diamond Prices
1.3 Carat Emerald Natural Diamond Prices
1.3 Carat Cushion Natural Diamond Prices
1.3 Carat Pear Natural Diamond Prices
1.3 Carat Radiant Natural Diamond Prices
Tracking Natural inventory for 1.3 carat Round diamonds.