3.8 Carat Round Natural Diamond Prices Comparison
As of April 2026, 3.8 carat round natural diamonds usually range from $1,868 to $185,975, with an average price of $58,696.In the last month, prices for these diamonds are down 0.3%.Compare 43 verified listings across 5 retailers tracked by CaratRadar.
3.8 Carat Round Natural Diamond Market Overview
CaratRadar currently tracks 43 verified 3.8-carat round natural diamonds listed across 5 online retailers. Prices in this segment range from $1,868 to $185,975, with an average asking price of $58,696 and a median of $52,580.
The price spread of $184,108 (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.
43 diamonds tracked in this segment
Price range: $1,868 to $185,975
Average price: $58,696
Median price: $52,580
Available across 5 retailers
Savings potential: up to 99.0%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
43
$1,868
$58,696
$52,580
$185,975
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 16.2%GIA | 3.8ct | Round | I | SI2 | Excellent
From $31,406
Compare at $37,468
GIA | 3.8ct | Round | I | SI1 | Excellent
From $55,539
Compare at $57,275
Save 14.1%GIA | 3.8ct | Round | G | SI2 | Excellent
From $52,498
Compare at $61,086
Save 12.2%GIA | 3.8ct | Round | H | VS1 | Very Good
From $80,885
Compare at $92,170
Save 16.2%GIA | 3.8ct | Round | J | SI2 | Ideal
From $30,673
Compare at $36,590
Save 17.1%GIA | 3.8ct | Round | J | SI2 | Excellent
From $27,387
Compare at $33,031
GIA | 3.8ct | Round | E | VVS1 | Excellent
From $115,806
Compare at $125,670
GIA | 3.8ct | Round | E | SI2 | Excellent
From $65,801
Compare at $79,430
Save 16.2%GIA | 3.8ct | Round | K | SI2 | Excellent
From $32,033
Compare at $38,219
Save 35.2%GIA | 3.8ct | Round | K | SI1 | Excellent
From $27,412
Compare at $42,271
GIA | 3.8ct | Round | I | VS2 | Excellent
From $50,026
Compare at $58,836
Save 16.6%GIA | 3.8ct | Round | G | SI2 | Excellent
From $40,257
Compare at $48,287
Save 14.5%GIA | 3.8ct | Round | G | VVS1 | Ideal
From $89,021
Compare at $104,152
GIA | 3.8ct | Round | J | VVS1 | Excellent
From $50,459
Compare at $54,850
IGI | 3.8ct | Round | K | VS2 | Excellent
From $26,086
Compare at $28,915
IGI | 3.8ct | Round | H | VVS2 | Excellent
From $44,566
Compare at $49,171
IGI | 3.8ct | Round | J | VVS1 | Excellent
From $30,023
Compare at $33,300
IGI | 3.8ct | Round | I | IF | Excellent
From $47,623
Compare at $52,552
IGI | 3.8ct | Round | I | VVS1 | Excellent
From $42,467
Compare at $46,847
GIA | 3.81ct | Round | K | SI2 | Excellent
From $32,079
Compare at $36,841
GIA | 3.81ct | Round | F | SI2 | Excellent
From $74,246
Compare at $79,585
Save 10.1%GIA | 3.81ct | Round | I | VS2 | Excellent
From $47,945
Compare at $53,330
Save 14.1%GIA | 3.81ct | Round | J | VVS1 | Excellent
From $62,341
Compare at $72,540
GIA | 3.81ct | Round | F | SI1 | Excellent
From $71,279
Compare at $86,036
Save 16.2%GIA | 3.81ct | Round | J | SI2 | Excellent
From $36,869
Compare at $44,009
Save 15.9%GIA | 3.81ct | Round | D | SI2 | Very Good
From $66,568
Compare at $79,183
GIA | 3.81ct | Round | G | VS2 | Excellent
From $83,034
Compare at $100,213
IGI | 3.81ct | Round | H | VVS1 | Excellent
From $62,341
Compare at $62,345
GIA | 3.82ct | Round | E | IF | Excellent
From $132,795
Compare at $139,607
GIA | 3.82ct | Round | G | VS1 | Excellent
From $74,373
Compare at $77,387
Save 14.6%GIA | 3.82ct | Round | J | VVS1 | Excellent
From $44,941
Compare at $52,597
Save 16.1%GIA | 3.82ct | Round | D | SI2 | Excellent
From $68,472
Compare at $81,594
GIA | 3.82ct | Round | J | VS1 | Ideal
From $44,665
Compare at $47,513
GIA | 3.82ct | Round | H | VS1 | Ideal
From $80,499
Compare at $86,767
Save 15.7%GIA | 3.83ct | Round | G | VVS2 | Excellent
From $57,584
Compare at $68,286
GIA | 3.83ct | Round | G | SI2 | Excellent
From $51,719
Compare at $60,824
Save 16.6%GIA | 3.85ct | Round | I | SI2 | Excellent
From $39,924
Compare at $47,886
Save 11.3%GIA | 3.86ct | Round | F | SI1 | Excellent
From $82,280
Compare at $92,745
Save 22%GIA | 3.86ct | Round | I | SI1 | Excellent
From $48,587
Compare at $62,287
GIA | 3.87ct | Round | K | VS1 | Excellent
From $39,660
Compare at $46,276
GIA | 3.88ct | Round | D | VS2 | Ideal
From $104,586
Compare at $105,078
Save 13.9%GIA | 3.88ct | Round | I | VVS2 | Excellent
From $59,345
Compare at $68,901
GIA | 3.89ct | Round | J | VS2 | Excellent
From $48,521
Compare at $53,768
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 $184,108 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 $52,580 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 43 comparable stones in this segment. Prices start around $1,868 and go up to $185,975.
Based on the latest market data, the average asking price is about $58,696 with a median around $52,580.
The observed spread is roughly $184,108 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 our data, the median price is $52,580, 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 5 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 $184,108 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.