3 Carat Round Lab Grown Diamond Prices Comparison
As of February 2026, 3 carat round lab grown diamonds usually range from $173 to $23,240, with an average price of $1,292.In the last month, prices for these diamonds are down 2.6%.Compare 17,587 verified listings across 13 retailers tracked by CaratRadar.
3 Carat Round Lab Grown Diamond Market Overview
CaratRadar currently tracks 17,587 verified 3-carat round lab grown diamonds listed across 13 online retailers. Prices in this segment range from $173 to $23,240, with an average asking price of $1,292 and a median of $976.
The price spread of $23,067 (99.3% 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.
17,587 diamonds tracked in this segment
Price range: $173 to $23,240
Average price: $1,292
Median price: $976
Available across 13 retailers
Savings potential: up to 99.3%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
17,587
$173
$1,292
$976
$23,240
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
IGISave 22.1%2.96ct | Round | F | VS1 | Ideal
From $944
Compare at $1,212
IGISave 80.4%2.96ct | Round | H | VS1 | Ideal
From $630
Compare at $3,210
IGISave 82.2%2.96ct | Round | E | VS2 | Ideal
From $700
Compare at $3,930
IGISave 81.7%2.96ct | Round | E | VS2 | Ideal
From $692
Compare at $3,780
IGISave 80.9%2.96ct | Round | F | SI1 | Ideal
From $605
Compare at $3,170
GIASave 72.9%2.96ct | Round | D | VVS1 | Excellent
From $3,413
Compare at $12,590
IGISave 81.7%2.96ct | Round | E | VS2 | Ideal
From $687
Compare at $3,750
IGISave 81.4%2.96ct | Round | F | VS2 | Ideal
From $657
Compare at $3,530
IGISave 81%2.96ct | Round | F | SI1 | Ideal
From $610
Compare at $3,210
IGISave 70.8%2.96ct | Round | H | VS1 | Ideal
From $815
Compare at $2,790
IGISave 23.3%2.96ct | Round | I | VS2 | Ideal
From $837
Compare at $1,091
IGISave 85%2.96ct | Round | F | SI1 | Ideal
From $605
Compare at $4,030
GIASave 85.1%2.96ct | Round | D | VVS1 | Excellent
From $1,612
Compare at $10,840
GIASave 55.7%2.96ct | Round | D | FL | Excellent
From $12,261
Compare at $27,685
GIASave 58.8%2.96ct | Round | D | VVS1 | Excellent
From $4,234
Compare at $10,280
GIASave 72.3%2.96ct | Round | D | VVS1 | Excellent
From $2,823
Compare at $10,200
GIASave 18.4%2.96ct | Round | D | VVS1 | Ideal
From $8,390
Compare at $10,280
GIASave 72.9%2.96ct | Round | D | VVS1 | Excellent
From $3,413
Compare at $12,590
IGISave 56.6%2.96ct | Round | F | VS2 | Excellent
From $864
Compare at $1,992
IGISave 56.6%2.96ct | Round | F | VS2 | Excellent
From $864
Compare at $1,992
IGISave 80.5%2.96ct | Round | F | VS1 | Ideal
From $697
Compare at $3,570
IGISave 81.7%2.96ct | Round | E | VS2 | Ideal
From $687
Compare at $3,750
IGISave 69.3%2.96ct | Round | H | VS1 | Ideal
From $815
Compare at $2,650
IGISave 81%2.96ct | Round | H | VS1 | Ideal
From $610
Compare at $3,210
IGISave 81.7%2.96ct | Round | E | VS2 | Ideal
From $687
Compare at $3,760
IGISave 82.5%2.96ct | Round | E | VS2 | Ideal
From $687
Compare at $3,930
IGISave 83.2%2.96ct | Round | E | VS2 | Ideal
From $687
Compare at $4,100
IGISave 80.5%2.96ct | Round | F | VS1 | Ideal
From $702
Compare at $3,600
IGISave 85.1%2.96ct | Round | E | SI1 | Ideal
From $614
Compare at $4,120
IGISave 62.4%2.96ct | Round | F | SI2 | Ideal
From $1,300
Compare at $3,460
IGISave 63.2%2.96ct | Round | E | VS2 | Ideal
From $1,325
Compare at $3,600
IGISave 80.5%2.96ct | Round | F | VS1 | Ideal
From $697
Compare at $3,570
IGISave 81.2%2.96ct | Round | F | VS1 | Ideal
From $692
Compare at $3,680
IGISave 84.8%2.96ct | Round | E | VS2 | Ideal
From $676
Compare at $4,450
IGISave 81.8%2.96ct | Round | E | VS1 | Ideal
From $702
Compare at $3,860
IGISave 82.1%2.96ct | Round | E | VS2 | Ideal
From $672
Compare at $3,750
IGISave 86.6%2.96ct | Round | F | VS2 | Ideal
From $683
Compare at $5,080
IGISave 80.5%2.96ct | Round | F | VS1 | Ideal
From $697
Compare at $3,570
IGISave 80.5%2.96ct | Round | F | VS1 | Ideal
From $697
Compare at $3,570
IGISave 80.5%2.96ct | Round | F | VS1 | Ideal
From $702
Compare at $3,600
IGISave 86%2.96ct | Round | E | VVS2 | Ideal
From $971
Compare at $6,950
IGISave 81.1%2.96ct | Round | E | VS1 | Ideal
From $702
Compare at $3,710
IGISave 80.5%2.96ct | Round | F | VS1 | Ideal
From $702
Compare at $3,600
IGISave 81.4%2.96ct | Round | F | VS1 | Ideal
From $1,034
Compare at $5,560
2.96ct | Round | E | VS2 | Excellent
From $676
Compare at $1,009
IGISave 39.3%2.96ct | Round | D | VVS2 | Ideal
From $2,510
Compare at $4,132
IGISave 81.8%2.96ct | Round | E | VS2 | Ideal
From $697
Compare at $3,820
IGISave 81.8%2.96ct | Round | E | VS2 | Ideal
From $702
Compare at $3,860
IGISave 86.2%2.96ct | Round | D | SI1 | Ideal
From $683
Compare at $4,950
IGISave 81%2.96ct | Round | F | VS2 | Ideal
From $678
Compare at $3,570
Entry pricing in this category starts around $173.
What to Know When Shopping for 3 Carat Round Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $23,067 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 $976 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.
- Lab-grown diamonds offer excellent value. Ensure the stone comes with a GIA or IGI certificate confirming it is laboratory-grown.
- 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 17,587 comparable stones in this segment. Prices start around $173 and go up to $23,240.
Based on the latest market data, the average asking price is about $1,292 with a median around $976.
The observed spread is roughly $23,067 across tracked listings, which is about 99.3% 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 $976, 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 13 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 $23,067 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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