3.8 Carat Round Natural Diamond Prices Comparison
As of July 2026, 3.8 carat round natural diamonds usually range from $1,868 to $188,619, with an average price of $58,865.In the last month, prices for these diamonds are up 1%.Compare 37 verified listings across 7 retailers tracked by CaratRadar.
3.8 Carat Round Natural Diamond Market Overview
CaratRadar currently tracks 37 verified 3.8-carat round natural diamonds listed across 7 online retailers. Prices in this segment range from $1,868 to $188,619, with an average asking price of $58,865 and a median of $51,933.
The price spread of $186,751 (99.0% 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.
37 diamonds tracked in this segment
Price range: $1,868 to $188,619
Average price: $58,865
Median price: $51,933
Available across 7 retailers
Savings potential: up to 99.0%
Price Range Overview
As of Jul 13, 2026Real market range for this carat, shape, and diamond type.
37
$1,868
$58,865
$51,933
$188,619
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
Save 38.6%GIA | 3.8ct | Round | K | SI2 | Excellent
From $21,921
Compare at $35,677
Save 35.7%GIA | 3.8ct | Round | J | SI2 | Excellent
From $26,449
Compare at $41,154
GIA | 3.8ct | Round | I | SI2 | Excellent
From $28,279
Compare at $31,319
Save 35.7%GIA | 3.8ct | Round | J | SI2 | Ideal
From $29,264
Compare at $45,536
Save 13.4%GIA | 3.8ct | Round | K | SI2 | Excellent
From $31,287
Compare at $36,123
Save 28.6%GIA | 3.8ct | Round | L | VVS2 | Excellent
From $34,904
Compare at $48,900
Save 34.2%GIA | 3.85ct | Round | J | SI1 | Excellent
From $37,141
Compare at $56,446
Save 34.1%GIA | 3.82ct | Round | J | VS1 | Ideal
From $39,613
Compare at $60,103
IGI | 3.8ct | Round | I | VVS1 | Excellent
From $40,544
Compare at $47,962
Save 11.7%GIA | 3.85ct | Round | I | SI2 | Excellent
From $40,955
Compare at $46,398
GIA | 3.8ct | Round | K | VVS2 | Excellent
From $41,845
Compare at $44,745
GIA | 3.81ct | Round | J | SI2 | Excellent
From $42,436
Compare at $44,199
Save 10.4%GIA | 3.89ct | Round | J | VS2 | Excellent
From $43,481
Compare at $48,521
GIA | 3.83ct | Round | I | VS1 | Very Good
From $44,508
Compare at $44,844
GIA | 3.82ct | Round | J | VVS1 | Excellent
From $46,113
Compare at $47,285
Save 33.1%GIA | 3.8ct | Round | G | SI2 | Ideal
From $46,649
Compare at $69,712
GIA | 3.86ct | Round | I | SI1 | Excellent
From $47,582
Compare at $52,528
Save 10.1%GIA | 3.8ct | Round | I | VVS1 | Ideal
From $48,233
Compare at $53,666
GIA | 3.83ct | Round | G | SI2 | Ideal
From $53,116
Compare at $55,876
GIA | 3.83ct | Round | G | VVS2 | Excellent
From $53,217
Compare at $58,829
Save 32.4%GIA | 3.8ct | Round | G | SI2 | Excellent
From $53,603
Compare at $79,287
GIA | 3.8ct | Round | I | SI1 | Excellent
From $54,073
Compare at $54,075
Save 32.9%GIA | 3.81ct | Round | J | VVS1 | Excellent
From $58,966
Compare at $87,841
GIA | 3.81ct | Round | F | SI2 | Excellent
From $60,365
Compare at $62,886
IGI | 3.81ct | Round | H | VVS1 | Excellent
From $62,341
Compare at $62,345
GIA | 3.82ct | Round | H | VS1 | Ideal
From $63,870
Compare at $69,592
Save 37.6%GIA | 3.81ct | Round | D | SI2 | Very Good
From $64,655
Compare at $103,632
Save 14.1%GIA | 3.82ct | Round | D | SI2 | Excellent
From $66,607
Compare at $77,572
GIA | 3.81ct | Round | F | SI1 | Excellent
From $67,648
Compare at $71,279
GIA | 3.81ct | Round | I | VS1 | Excellent
From $69,705
Compare at $71,433
GIA | 3.82ct | Round | G | VS1 | Excellent
From $74,822
Compare at $78,840
Save 13.8%GIA | 3.8ct | Round | G | VVS2 | Ideal
From $78,012
Compare at $90,536
GIA | 3.81ct | Round | G | VS2 | Excellent
From $79,201
Compare at $83,034
Save 32%GIA | 3.8ct | Round | H | VS1 | Very Good
From $82,589
Compare at $121,513
Save 34.1%GIA | 3.88ct | Round | D | VS2 | Excellent
From $85,766
Compare at $130,105
Save 36.4%GIA | 3.8ct | Round | G | VVS1 | Ideal
From $86,694
Compare at $136,338
Save 35%GIA | 3.82ct | Round | E | IF | Excellent
From $114,697
Compare at $176,336
Entry pricing in this category starts around $1,868.
What to Know When Shopping for 3.8 Carat Round Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $186,751 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 $51,933 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 37 comparable stones in this segment. Prices start around $1,868 and go up to $188,619.
Based on the latest market data, the average asking price is about $58,865 with a median around $51,933.
The observed spread is roughly $186,751 across tracked listings, which is about 99.0% 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 $58,865. The median price is $51,933, 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 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 $186,751 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.
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Tracking Natural inventory for 3.8 carat Round diamonds.