2.9 Carat Round Lab Grown Diamond Prices Comparison
As of May 2026, 2.9 carat round lab grown diamonds usually range from $415 to $12,495, with an average price of $2,234.In the last month, prices for these diamonds are down 4.2%.Compare 2,608 verified listings across 11 retailers tracked by CaratRadar.
2.9 Carat Round Lab Grown Diamond Market Overview
CaratRadar currently tracks 2,608 verified 2.9-carat round lab grown diamonds listed across 11 online retailers. Prices in this segment range from $415 to $12,495, with an average asking price of $2,234 and a median of $1,714.
The price spread of $12,080 (96.7% 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.
2,608 diamonds tracked in this segment
Price range: $415 to $12,495
Average price: $2,234
Median price: $1,714
Available across 11 retailers
Savings potential: up to 96.7%
Price Range Overview
As of May 29, 2026Real market range for this carat, shape, and diamond type.
2,608
$415
$2,234
$1,714
$12,495
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 74.9%IGI | 2.91ct | Round | H | VS2 | Ideal
From $456
Compare at $1,820
Save 65.4%IGI | 2.91ct | Round | G | VS1 | Excellent
From $463
Compare at $1,339
Save 65.4%IGI | 2.91ct | Round | G | VS1 | Excellent
From $463
Compare at $1,339
Save 65.4%IGI | 2.91ct | Round | G | VS1 | Excellent
From $463
Compare at $1,338
Save 65.6%IGI | 2.92ct | Round | G | VS1 | Excellent
From $464
Compare at $1,347
Save 65.5%IGI | 2.92ct | Round | G | VS1 | Excellent
From $464
Compare at $1,346
Save 65.5%IGI | 2.92ct | Round | G | VS1 | Excellent
From $464
Compare at $1,346
Save 65.6%IGI | 2.92ct | Round | G | VS1 | Excellent
From $464
Compare at $1,347
Save 65.6%IGI | 2.92ct | Round | G | VS1 | Excellent
From $464
Compare at $1,347
Save 65.6%IGI | 2.92ct | Round | G | VS1 | Excellent
From $464
Compare at $1,347
Save 63.3%IGI | 2.93ct | Round | H | VS1 | Ideal
From $466
Compare at $1,269
Save 63.3%IGI | 2.9ct | Round | G | VS2 | Excellent
From $468
Compare at $1,276
Save 63.3%IGI | 2.9ct | Round | G | VS2 | Excellent
From $468
Compare at $1,276
Save 65%IGI | 2.91ct | Round | G | VS1 | Excellent
From $469
Compare at $1,339
Save 62.6%IGI | 2.91ct | Round | H | VS1 | Ideal
From $469
Compare at $1,254
Save 65%IGI | 2.91ct | Round | G | VS1 | Excellent
From $469
Compare at $1,339
Save 63.5%IGI | 2.92ct | Round | G | VS2 | Excellent
From $471
Compare at $1,292
Save 65.2%IGI | 2.93ct | Round | G | VS1 | Excellent
From $472
Compare at $1,355
Save 64.3%IGI | 2.9ct | Round | G | VS1 | Excellent
From $475
Compare at $1,331
Save 69.1%IGI | 2.92ct | Round | E | VS2 | Excellent
From $475
Compare at $1,536
Save 71.6%IGI | 2.99ct | Round | D | VS2 | Ideal
From $475
Compare at $1,671
Save 69.3%IGI | 2.9ct | Round | F | VS1 | Excellent
From $475
Compare at $1,545
Save 65.3%IGI | 2.95ct | Round | G | VS1 | Excellent
From $476
Compare at $1,373
Save 65.9%IGI | 2.98ct | Round | G | VS1 | Excellent
From $477
Compare at $1,399
Save 64.9%IGI | 2.94ct | Round | G | VS1 | Excellent
From $479
Compare at $1,365
Save 68.4%IGI | 2.9ct | Round | E | VS2 | Excellent
From $481
Compare at $1,520
Save 68.5%IGI | 2.9ct | Round | F | VS1 | Excellent
From $487
Compare at $1,548
Save 69.7%IGI | 2.93ct | Round | G | VVS2 | Excellent
From $493
Compare at $1,627
Save 69%IGI | 2.9ct | Round | G | VVS2 | Excellent
From $494
Compare at $1,595
Save 62.3%IGI | 2.9ct | Round | H | VVS2 | Ideal
From $494
Compare at $1,310
Save 70.7%IGI | 2.91ct | Round | F | VVS2 | Excellent
From $496
Compare at $1,690
Save 71.1%IGI | 2.97ct | Round | E | VS1 | Ideal
From $499
Compare at $1,727
Save 30.6%IGI | 2.96ct | Round | E | VS2 | Ideal
From $501
Compare at $722
Save 30.6%IGI | 2.96ct | Round | E | VS2 | Ideal
From $501
Compare at $722
Save 30.6%IGI | 2.96ct | Round | E | VS2 | Ideal
From $501
Compare at $722
Save 69.9%IGI | 2.9ct | Round | F | VVS2 | Excellent
From $507
Compare at $1,682
Save 70.2%IGI | 2.98ct | Round | E | VS1 | Excellent
From $519
Compare at $1,740
Save 78.6%IGI | 2.9ct | Round | E | VS1 | Ideal
From $533
Compare at $2,490
Save 31.5%IGI | 2.96ct | Round | E | VS2 | Excellent
From $535
Compare at $781
Save 78.6%IGI | 2.92ct | Round | E | VS1 | Ideal
From $538
Compare at $2,510
Save 78.6%IGI | 2.93ct | Round | E | VS1 | Ideal
From $539
Compare at $2,515
Save 77.8%IGI | 2.93ct | Round | E | VS1 | Excellent
From $539
Compare at $2,430
Save 78.3%IGI | 2.92ct | Round | E | VS1 | Ideal
From $544
Compare at $2,510
Save 67.1%IGI | 2.9ct | Round | E | VS1 | Excellent
From $547
Compare at $1,664
Save 69%IGI | 2.91ct | Round | E | VVS2 | Excellent
From $549
Compare at $1,773
Save 69.3%IGI | 2.93ct | Round | E | VVS2 | Excellent
From $552
Compare at $1,796
Save 71.9%IGI | 2.91ct | Round | F | VVS2 | Ideal
From $559
Compare at $1,988
Save 68.2%IGI | 2.97ct | Round | F | VVS2 | Excellent
From $564
Compare at $1,774
Save 72.5%IGI | 2.9ct | Round | E | VVS2 | Excellent
From $570
Compare at $2,073
Save 32%IGI | 2.96ct | Round | E | VVS2 | Excellent
From $571
Compare at $840
Entry pricing in this category starts around $415.
What to Know When Shopping for 2.9 Carat Round Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $12,080 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 $1,714 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 2,608 comparable stones in this segment. Prices start around $415 and go up to $12,495.
Based on the latest market data, the average asking price is about $2,234 with a median around $1,714.
The observed spread is roughly $12,080 across tracked listings, which is about 96.7% 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 $2,234. The median price is $1,714, 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 11 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 $12,080 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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