1.3 Carat Natural Diamond Prices Comparison
As of May 2026, the average price of a 1.3 carat natural diamond is $6,222.1.3 carat diamonds can cost anywhere from $494 to $20,791 depending on shape, color, clarity, and other factors.In the last month, prices for these diamonds are up 0.6%.Compare 2,508 verified listings across 10 retailers in the tables below.
1.3 Carat Natural Diamond Market Overview
CaratRadar currently tracks 2,508 verified 1.3-carat natural diamonds listed across 10 online retailers. Prices in this segment range from $494 to $20,791, with an average asking price of $6,222 and a median of $5,694.
The price spread of $20,297 (97.6% 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.
2,508 diamonds tracked in this segment
Price range: $494 to $20,791
Average price: $6,222
Median price: $5,694
Available across 10 retailers
Savings potential: up to 97.6%
Price Range Overview
As of May 29, 2026Real market range for this carat, shape, and diamond type.
2,508
$494
$6,222
$5,694
$20,791
Price History
Price Comparison Matrix
1.3 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 32.5%GIA | 1.31ct | Cushion | L | VVS2 | Excellent
From $1,265
Compare at $1,874
Save 26.5%GIA | 1.34ct | Cushion | L | SI2 | Very Good
From $1,329
Compare at $1,808
Save 17.9%GIA | 1.31ct | Cushion | J | SI1 | Very Good
From $1,409
Compare at $1,717
Save 14.8%IGI | 1.37ct | Emerald | J | SI1 | Very Good
From $1,470
Compare at $1,726
Save 37.9%IGI | 1.33ct | Asscher | K | VS1 | Very Good
From $1,493
Compare at $2,404
Save 21%IGI | 1.31ct | Round | K | SI1 | Excellent
From $1,495
Compare at $1,892
Save 20.8%IGI | 1.33ct | Round | K | SI1 | Excellent
From $1,500
Compare at $1,895
Save 20%IGI | 1.31ct | Oval | K | SI1 | Ideal
From $1,525
Compare at $1,907
Save 27.6%IGI | 1.31ct | Round | K | SI1 | Excellent
From $1,530
Compare at $2,113
Save 23.5%IGI | 1.33ct | Heart | K | VS1 | Very Good
From $1,530
Compare at $1,999
Save 32.5%GIA | 1.33ct | Cushion | I | SI2 | Ideal
From $1,551
Compare at $2,298
Save 32.5%GIA | 1.35ct | Pear | L | SI1 | Ideal
From $1,563
Compare at $2,315
Save 21.2%IGI | 1.31ct | Round | K | SI1 | Excellent
From $1,585
Compare at $2,011
Save 19.7%IGI | 1.31ct | Princess | J | SI1 | Very Good
From $1,585
Compare at $1,974
GIA | 1.32ct | Cushion | I | SI2 | Very Good
From $1,612
Compare at $1,778
Save 32.4%GIA | 1.33ct | Cushion | J | SI1 | Excellent
From $1,614
Compare at $2,389
Save 22.2%IGI | 1.32ct | Pear | K | SI1 | Very Good
From $1,620
Compare at $2,084
Save 17.2%IGI | 1.31ct | Emerald | K | VS1 | Ideal
From $1,630
Compare at $1,969
Save 17.7%IGI | 1.31ct | Emerald | K | VS2 | Very Good
From $1,650
Compare at $2,005
Save 20.9%GIA | 1.31ct | Emerald | K | SI1 | Excellent
From $1,675
Compare at $2,116
Save 17.4%IGI | 1.31ct | Emerald | J | SI1 | Very Good
From $1,685
Compare at $2,039
Save 32.7%GIA | 1.35ct | Cushion | K | VS2 | Excellent
From $1,697
Compare at $2,521
Save 32.5%GIA | 1.32ct | Princess | J | SI2 | Ideal
From $1,710
Compare at $2,533
Save 27.5%GIA | 1.33ct | Round | L | SI2 | Ideal
From $1,732
Compare at $2,390
GIA | 1.31ct | Round | K | SI2 | Ideal
From $1,751
Compare at $1,764
Save 17.4%IGI | 1.31ct | Oval | K | VS2 | Ideal
From $1,770
Compare at $2,143
IGI | 1.32ct | Pear | K | SI1 | Ideal
From $1,775
Compare at $1,925
Save 13.4%HRD | 1.33ct | Princess | H | SI1 | Ideal
From $1,804
Compare at $2,083
Save 27.6%GIA | 1.34ct | Princess | J | SI2 | Excellent
From $1,811
Compare at $2,502
Save 21.7%IGI | 1.32ct | Pear | J | VS2 | Very Good
From $1,815
Compare at $2,317
Save 11.7%IGI | 1.31ct | Heart | K | SI1 | Very Good
From $1,815
Compare at $2,055
Save 38.7%GIA | 1.35ct | Round | K | SI2 | Excellent
From $1,822
Compare at $2,970
Save 41.5%GIA | 1.32ct | Round | L | SI1 | Excellent
From $1,824
Compare at $3,116
Save 13.1%GIA | 1.39ct | Round | L | SI2 | Ideal
From $1,853
Compare at $2,133
Save 21.6%IGI | 1.31ct | Oval | K | VS1 | Very Good
From $1,855
Compare at $2,367
Save 18.8%GIA | 1.32ct | Asscher | K | VS1 | Excellent
From $1,857
Compare at $2,288
Save 21.8%IGI | 1.31ct | Round | J | SI1 | Excellent
From $1,865
Compare at $2,384
Save 26.5%GIA | 1.35ct | Round | L | SI1 | Ideal
From $1,866
Compare at $2,539
Save 12.1%IGI | 1.36ct | Pear | K | SI1 | Very Good
From $1,875
Compare at $2,133
Save 38.8%GIA | 1.32ct | Princess | J | SI1 | Excellent
From $1,876
Compare at $3,063
Save 19.4%IGI | 1.34ct | Emerald | J | VS1 | Very Good
From $1,880
Compare at $2,333
Save 21.6%IGI | 1.31ct | Round | K | VS2 | Excellent
From $1,885
Compare at $2,404
Save 19.5%IGI | 1.31ct | Emerald | K | IF | Very Good
From $1,895
Compare at $2,354
Save 20.8%IGI | 1.33ct | Pear | K | VS1 | Very Good
From $1,900
Compare at $2,400
Save 20.8%IGI | 1.36ct | Pear | K | VS2 | Very Good
From $1,905
Compare at $2,407
Save 14.8%GIA | 1.34ct | Oval | K | VVS1 | Very Good
From $1,906
Compare at $2,237
Save 32.3%GIA | 1.31ct | Cushion | K | VVS1 | Excellent
From $1,929
Compare at $2,848
IGI | 1.34ct | Oval | J | VS1 | Very Good
From $1,931
Compare at $1,935
GIA | 1.31ct | Cushion | J | SI2 | Excellent
From $1,933
Compare at $2,031
Save 33.9%GIA | 1.35ct | Heart | H | SI2 | Ideal
From $1,946
Compare at $2,942
Entry pricing in this category starts around $494.
What to Know When Shopping for 1.3 Carat Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $20,297 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 $5,694 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 2,508 comparable stones in this segment. Prices start around $494 and go up to $20,791.
Based on the latest market data, the average asking price is about $6,222 with a median around $5,694.
The observed spread is roughly $20,297 across tracked listings, which is about 97.6% 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 $6,222. The median price is $5,694, 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 10 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 $20,297 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.
1.3 Carat Round Natural Diamond Prices
1.3 Carat Oval Natural Diamond Prices
1.3 Carat Pear Natural Diamond Prices
1.3 Carat Emerald Natural Diamond Prices
1.3 Carat Cushion Natural Diamond Prices
1.3 Carat Princess Natural Diamond Prices
1.3 Carat Radiant Natural Diamond Prices
1.3 Carat Heart Natural Diamond Prices
1.3 Carat Asscher Natural Diamond Prices
1.3 Carat Marquise Natural Diamond Prices
Tracking Natural inventory for 1.3 carat all-shape diamonds.