2.1 Carat Round Lab Grown Diamond Prices Comparison
As of May 2026, 2.1 carat round lab grown diamonds usually range from $340 to $8,760, with an average price of $1,714.In the last month, prices for these diamonds are down 1.8%.Compare 3,177 verified listings across 13 retailers tracked by CaratRadar.
2.1 Carat Round Lab Grown Diamond Market Overview
CaratRadar currently tracks 3,177 verified 2.1-carat round lab grown diamonds listed across 13 online retailers. Prices in this segment range from $340 to $8,760, with an average asking price of $1,714 and a median of $1,354.
The price spread of $8,420 (96.1% 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.
3,177 diamonds tracked in this segment
Price range: $340 to $8,760
Average price: $1,714
Median price: $1,354
Available across 13 retailers
Savings potential: up to 96.1%
Price Range Overview
As of May 29, 2026Real market range for this carat, shape, and diamond type.
3,177
$340
$1,714
$1,355
$8,760
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 78.4%IGI | 2.11ct | Round | F | SI1 | Ideal
From $341
Compare at $1,580
Save 79.6%IGI | 2.12ct | Round | F | SI1 | Ideal
From $343
Compare at $1,680
Save 61.8%IGI | 2.11ct | Round | F | VS1 | Ideal
From $374
Compare at $979
Save 62.1%IGI | 2.13ct | Round | F | VS1 | Ideal
From $380
Compare at $1,002
IGI | 2.2ct | Round | F | VS1 | Ideal
From $393
Compare at $1,061
Save 44.9%IGI | 2.13ct | Round | F | VVS2 | Ideal
From $395
Compare at $717
Save 45.1%IGI | 2.14ct | Round | F | VVS2 | Ideal
From $396
Compare at $721
Save 63.8%IGI | 2.11ct | Round | F | VVS2 | Excellent
From $398
Compare at $1,100
Save 55.9%IGI | 2.16ct | Round | F | VVS2 | Ideal
From $400
Compare at $908
Save 61.8%IGI | 2.11ct | Round | E | VS1 | Ideal
From $401
Compare at $1,051
Save 61.8%IGI | 2.14ct | Round | E | VS1 | Ideal
From $407
Compare at $1,066
Save 61.8%IGI | 2.14ct | Round | E | VS1 | Excellent
From $407
Compare at $1,066
Save 80%IGI | 2.2ct | Round | F | VS2 | Excellent
From $410
Compare at $2,050
Save 71.4%IGI | 2.2ct | Round | F | VS1 | Excellent
From $415
Compare at $1,450
Save 71.4%IGI | 2.2ct | Round | F | VS1 | Excellent
From $415
Compare at $1,450
Save 71.4%IGI | 2.2ct | Round | F | VS1 | Excellent
From $415
Compare at $1,450
IGI | 2.15ct | Round | E | VS1 | Ideal
From $415
Compare at $1,990
Save 71.4%IGI | 2.2ct | Round | F | VS1 | Ideal
From $415
Compare at $1,450
Save 55.8%IGI | 2.11ct | Round | E | VS1 | Ideal
From $416
Compare at $942
Save 36.5%IGI | 2.11ct | Round | E | VS1 | Ideal
From $418
Compare at $658
IGI | 2.15ct | Round | E | SI1 | Ideal
From $419
Compare at $1,610
Save 71.4%IGI | 2.2ct | Round | E | VS1 | Excellent
From $420
Compare at $1,468
Save 71.4%IGI | 2.2ct | Round | E | VS1 | Excellent
From $420
Compare at $1,468
Save 72.3%IGI | 2.16ct | Round | E | SI1 | Ideal
From $421
Compare at $1,520
Save 76.1%IGI | 2.13ct | Round | E | VS1 | Excellent
From $421
Compare at $1,765
Save 77%IGI | 2.13ct | Round | E | VS1 | Ideal
From $421
Compare at $1,830
Save 77%IGI | 2.13ct | Round | E | VS1 | Ideal
From $421
Compare at $1,830
Save 30.6%IGI | 2.13ct | Round | E | VS1 | Excellent
From $421
Compare at $607
Save 74.7%IGI | 2.2ct | Round | D | SI1 | Ideal
From $423
Compare at $1,670
Save 70.1%IGI | 2.18ct | Round | F | SI1 | Ideal
From $424
Compare at $1,420
Save 55.7%IGI | 2.16ct | Round | E | VS1 | Ideal
From $426
Compare at $962
Save 67%IGI | 2.11ct | Round | F | VVS2 | Ideal
From $431
Compare at $1,306
Save 63.1%IGI | 2.11ct | Round | E | VVS2 | Ideal
From $431
Compare at $1,168
Save 63.1%IGI | 2.11ct | Round | E | VVS2 | Ideal
From $431
Compare at $1,168
IGI | 2.11ct | Round | E | VS1 | Ideal
From $431
Compare at $1,035
Save 62.3%IGI | 2.11ct | Round | G | VS1 | Ideal
From $431
Compare at $1,143
Save 67.4%IGI | 2.2ct | Round | F | VS1 | Excellent
From $435
Compare at $1,335
Save 72.6%IGI | 2.13ct | Round | G | VS2 | Excellent
From $435
Compare at $1,590
Save 61.7%IGI | 2.11ct | Round | D | VS1 | Ideal
From $435
Compare at $1,136
Save 79.6%IGI | 2.2ct | Round | F | VS1 | Ideal
From $437
Compare at $2,140
Save 63.9%IGI | 2.15ct | Round | E | VVS2 | Excellent
From $438
Compare at $1,213
Save 66.9%IGI | 2.15ct | Round | F | VVS2 | Ideal
From $440
Compare at $1,331
Save 66.9%IGI | 2.16ct | Round | F | VVS2 | Ideal
From $442
Compare at $1,337
Save 62.3%IGI | 2.15ct | Round | D | VS1 | Ideal
From $443
Compare at $1,175
Save 62.3%IGI | 2.15ct | Round | D | VS1 | Ideal
From $443
Compare at $1,175
Save 53.9%IGI | 2.12ct | Round | G | VS1 | Very Good
From $443
Compare at $961
IGI | 2.17ct | Round | E | VS1 | Excellent
From $444
Compare at $1,468
Save 69.8%IGI | 2.17ct | Round | E | VS1 | Excellent
From $444
Compare at $1,468
Save 69.8%IGI | 2.17ct | Round | E | VS1 | Excellent
From $444
Compare at $1,468
Save 69.8%IGI | 2.17ct | Round | E | VS1 | Excellent
From $444
Compare at $1,468
Entry pricing in this category starts around $340.
What to Know When Shopping for 2.1 Carat Round Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $8,420 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 $1,354 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 3,177 comparable stones in this segment. Prices start around $340 and go up to $8,760.
Based on the latest market data, the average asking price is about $1,714 with a median around $1,354.
The observed spread is roughly $8,420 across tracked listings, which is about 96.1% 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 $1,714. The median price is $1,354, 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 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 $8,420 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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