3 Carat Round Natural Diamond Prices Comparison
As of April 2026, 3 carat round natural diamonds usually range from $1,225 to $122,204, with an average price of $39,948.In the last month, prices for these diamonds are down 0.3%.Compare 1,463 verified listings across 7 retailers tracked by CaratRadar.
3 Carat Round Natural Diamond Market Overview
CaratRadar currently tracks 1,463 verified 3-carat round natural diamonds listed across 7 online retailers. Prices in this segment range from $1,225 to $122,204, with an average asking price of $39,948 and a median of $36,998.
The price spread of $120,979 (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.
1,463 diamonds tracked in this segment
Price range: $1,225 to $122,204
Average price: $39,948
Median price: $36,998
Available across 7 retailers
Savings potential: up to 99.0%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
1,463
$1,225
$39,948
$36,998
$122,204
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
GIA | 3ct | Round | D | VVS1 | Excellent
From $149,247
Compare at $164,436
Save 24.8%GIA | 3ct | Round | I | VS1 | Excellent
From $33,765
Compare at $44,888
Save 17.1%GIA | 3ct | Round | J | SI2 | Excellent
From $26,843
Compare at $32,373
GIA | 3ct | Round | J | SI1 | Excellent
From $40,476
Compare at $44,023
Save 18.2%GIA | 3ct | Round | L | VS2 | Excellent
From $18,222
Compare at $22,263
Save 16.6%GIA | 3ct | Round | I | VS1 | Excellent
From $39,478
Compare at $47,350
Save 16.7%GIA | 3ct | Round | H | VS2 | Excellent
From $49,787
Compare at $59,750
GIA | 3ct | Round | E | SI2 | Excellent
From $44,012
Compare at $51,346
Save 13.7%GIA | 3ct | Round | K | SI2 | Excellent
From $17,135
Compare at $19,845
Save 15%GIA | 3ct | Round | L | SI1 | Excellent
From $19,466
Compare at $22,893
Save 16.2%GIA | 3ct | Round | I | VS2 | Excellent
From $35,947
Compare at $42,905
Save 13.7%GIA | 3ct | Round | K | SI2 | Excellent
From $23,626
Compare at $27,364
Save 16.1%GIA | 3ct | Round | J | SI1 | Excellent
From $28,461
Compare at $33,942
GIA | 3ct | Round | K | VS1 | Excellent
From $23,233
Compare at $25,031
GIA | 3ct | Round | K | VS1 | Excellent
From $24,542
Compare at $25,291
GIA | 3ct | Round | F | VVS1 | Very Good
From $46,192
Compare at $51,251
Save 16.2%GIA | 3ct | Round | I | SI2 | Very Good
From $30,077
Compare at $35,877
Save 17.3%GIA | 3ct | Round | L | VS2 | Excellent
From $18,601
Compare at $22,490
GIA | 3ct | Round | G | SI2 | Good
From $29,010
Compare at $31,029
Save 37.4%GIA | 3ct | Round | D | VS1 | Very Good
From $58,102
Compare at $92,820
Save 11.3%GIA | 3ct | Round | D | VVS2 | Excellent
From $80,118
Compare at $90,304
Save 37.1%GIA | 3ct | Round | J | SI2 | Excellent
From $23,309
Compare at $37,066
GIA | 3ct | Round | J | SI2 | Excellent
From $20,008
Compare at $21,476
GIA | 3ct | Round | E | SI2 | Excellent
From $39,118
Compare at $41,845
GIA | 3ct | Round | I | IF | Good
From $35,327
Compare at $35,394
Save 17%GIA | 3ct | Round | I | SI1 | Excellent
From $24,452
Compare at $29,477
Save 12.9%GIA | 3ct | Round | K | SI1 | Excellent
From $25,879
Compare at $29,710
Save 25.2%GIA | 3ct | Round | H | VVS1 | Excellent
From $49,619
Compare at $66,375
GIA | 3ct | Round | L | VVS2 | Excellent
From $20,546
Compare at $21,314
Save 10.6%GIA | 3ct | Round | K | VVS2 | Ideal
From $19,485
Compare at $21,807
Save 29%GIA | 3ct | Round | H | VS1 | Excellent
From $34,482
Compare at $48,574
Save 16.2%GIA | 3ct | Round | E | SI2 | Excellent
From $32,569
Compare at $38,861
GIA | 3ct | Round | I | SI1 | Excellent
From $33,177
Compare at $33,236
Save 37.4%GIA | 3ct | Round | G | VVS1 | Ideal
From $39,372
Compare at $62,899
GIA | 3ct | Round | G | VS1 | Ideal
From $53,025
Compare at $56,630
Save 18.3%GIA | 3ct | Round | H | SI1 | Ideal
From $28,084
Compare at $34,357
Save 37.4%GIA | 3ct | Round | F | VS1 | Ideal
From $64,377
Compare at $102,846
Save 32.2%GIA | 3ct | Round | L | SI1 | Ideal
From $16,002
Compare at $23,587
Save 34.2%GIA | 3ct | Round | G | SI1 | Ideal
From $35,818
Compare at $54,475
Save 18.2%GIA | 3ct | Round | K | VS2 | Ideal
From $19,285
Compare at $23,571
GIA | 3ct | Round | D | SI2 | Very Good
From $27,813
Compare at $28,970
Save 14.1%GIA | 3ct | Round | E | SI1 | Ideal
From $42,073
Compare at $48,956
Save 38.4%GIA | 3ct | Round | G | VVS2 | Ideal
From $40,684
Compare at $66,096
GIA | 3ct | Round | F | VVS2 | Excellent
From $54,250
Compare at $56,040
Save 29.3%GIA | 3ct | Round | D | VS2 | Very Good
From $43,744
Compare at $61,905
GIA | 3ct | Round | D | VVS2 | Ideal
From $80,617
Compare at $82,569
Save 13.6%GIA | 3ct | Round | I | SI1 | Excellent
From $35,424
Compare at $41,006
GIA | 3ct | Round | L | SI1 | Excellent
From $19,357
Compare at $20,089
Save 37.1%GIA | 3ct | Round | J | VS2 | Ideal
From $25,506
Compare at $40,560
GIA | 3ct | Round | J | SI1 | Good
From $16,830
Compare at $17,852
Entry pricing in this category starts around $1,225.
What to Know When Shopping for 3 Carat Round Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $120,979 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 $36,998 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 1,463 comparable stones in this segment. Prices start around $1,225 and go up to $122,204.
Based on the latest market data, the average asking price is about $39,948 with a median around $36,998.
The observed spread is roughly $120,979 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 $36,998, 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 $120,979 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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