3 Carat Round Lab Grown Diamond Prices Comparison
As of May 2026, 3 carat round lab grown diamonds usually range from $174 to $11,250, with an average price of $2,268.In the last month, prices for these diamonds are down 2%.Compare 20,179 verified listings across 16 retailers tracked by CaratRadar.
3 Carat Round Lab Grown Diamond Market Overview
CaratRadar currently tracks 20,179 verified 3-carat round lab grown diamonds listed across 16 online retailers. Prices in this segment range from $174 to $11,250, with an average asking price of $2,268 and a median of $1,782.
The price spread of $11,076 (98.5% 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.
20,179 diamonds tracked in this segment
Price range: $174 to $11,250
Average price: $2,268
Median price: $1,782
Available across 16 retailers
Savings potential: up to 98.5%
Price Range Overview
As of May 28, 2026Real market range for this carat, shape, and diamond type.
20,179
$174
$2,268
$1,782
$11,250
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 46.7%IGI | 3ct | Round | H | VVS2 | Excellent
From $446
Compare at $837
Save 46%IGI | 3.08ct | Round | H | VS2 | Ideal
From $451
Compare at $836
Save 45.9%IGI | 3.03ct | Round | H | VVS2 | Ideal
From $451
Compare at $834
Save 46%IGI | 3.04ct | Round | H | VVS2 | Ideal
From $452
Compare at $837
Save 46%IGI | 3.04ct | Round | H | VS1 | Ideal
From $452
Compare at $837
Save 46%IGI | 3.04ct | Round | H | VS1 | Ideal
From $452
Compare at $837
Save 46%IGI | 3.04ct | Round | H | VS1 | Ideal
From $452
Compare at $837
Save 46.7%IGI | 3.04ct | Round | H | VVS2 | Ideal
From $452
Compare at $848
Save 61.3%IGI | 3.02ct | Round | I | VS1 | Ideal
From $500
Compare at $1,292
Save 58.8%IGI | 3.09ct | Round | H | VS2 | Ideal
From $506
Compare at $1,229
Save 57.3%IGI | 3.03ct | Round | H | VS2 | Ideal
From $507
Compare at $1,186
Save 64.9%IGI | 3.1ct | Round | I | VVS2 | Ideal
From $508
Compare at $1,449
Save 79.9%IGI | 3.08ct | Round | F | SI1 | Ideal
From $511
Compare at $2,540
Save 55.4%IGI | 3.07ct | Round | H | VS1 | Ideal
From $515
Compare at $1,155
Save 55.8%IGI | 3.09ct | Round | H | VS1 | Ideal
From $516
Compare at $1,167
Save 53.9%IGI | 3.02ct | Round | H | VS1 | Ideal
From $518
Compare at $1,124
Save 57.1%IGI | 3.04ct | Round | H | VVS2 | Ideal
From $518
Compare at $1,207
Save 53.6%IGI | 3.01ct | Round | H | VS1 | Very Good
From $519
Compare at $1,118
Save 53.6%IGI | 3.01ct | Round | H | VS1 | Ideal
From $519
Compare at $1,118
Save 53.6%IGI | 3.01ct | Round | H | VS1 | Ideal
From $519
Compare at $1,118
Save 57.2%IGI | 3.05ct | Round | H | VVS2 | Ideal
From $519
Compare at $1,214
Save 54%IGI | 3.03ct | Round | H | VS1 | Ideal
From $520
Compare at $1,131
Save 54%IGI | 3.03ct | Round | H | VS1 | Ideal
From $520
Compare at $1,131
Save 52.8%IGI | 3.02ct | Round | E | SI1 | Ideal
From $526
Compare at $1,115
Save 41.1%IGI | 3.08ct | Round | G | VS1 | Ideal
From $531
Compare at $902
Save 31.5%IGI | 3ct | Round | I | VS1 | Ideal
From $539
Compare at $787
Save 60.4%IGI | 3.06ct | Round | G | VS2 | Excellent
From $540
Compare at $1,363
Save 58.7%IGI | 3ct | Round | G | VS2 | Excellent
From $542
Compare at $1,313
Save 60.8%IGI | 3.09ct | Round | G | VS2 | Excellent
From $543
Compare at $1,385
Save 58.9%IGI | 3.01ct | Round | G | VS2 | Ideal
From $543
Compare at $1,322
Save 46.9%IGI | 3.01ct | Round | G | VS1 | Ideal
From $543
Compare at $1,022
Save 60.6%IGI | 3.08ct | Round | G | VS2 | Excellent
From $544
Compare at $1,379
Save 60.7%IGI | 3.09ct | Round | G | VS2 | Excellent
From $545
Compare at $1,387
Save 60.7%IGI | 3.09ct | Round | G | VS2 | Excellent
From $545
Compare at $1,387
Save 60.7%IGI | 3.09ct | Round | G | VS2 | Ideal
From $545
Compare at $1,387
Save 59.8%IGI | 3.08ct | Round | G | VS1 | Excellent
From $546
Compare at $1,357
Save 59.8%IGI | 3.08ct | Round | G | VS1 | Ideal
From $546
Compare at $1,357
Save 60.8%IGI | 3.1ct | Round | G | VS2 | Excellent
From $547
Compare at $1,396
Save 59.5%IGI | 3.07ct | Round | G | VS1 | Very Good
From $547
Compare at $1,351
Save 58.1%IGI | 3.01ct | Round | G | VS1 | Ideal
From $547
Compare at $1,306
Save 59.9%IGI | 3.09ct | Round | G | VS1 | Excellent
From $548
Compare at $1,366
Save 59.9%IGI | 3.09ct | Round | G | VS1 | Excellent
From $548
Compare at $1,366
Save 59.9%IGI | 3.09ct | Round | G | VS1 | Excellent
From $548
Compare at $1,366
Save 59.9%IGI | 3.09ct | Round | G | VS1 | Excellent
From $548
Compare at $1,366
Save 59.9%IGI | 3.09ct | Round | G | VS1 | Excellent
From $548
Compare at $1,366
Save 59.9%IGI | 3.09ct | Round | G | VS1 | Ideal
From $548
Compare at $1,366
Save 59.9%IGI | 3.09ct | Round | G | VS1 | Excellent
From $548
Compare at $1,366
Save 59.9%IGI | 3.09ct | Round | G | VS1 | Ideal
From $548
Compare at $1,366
Save 59.6%IGI | 3.08ct | Round | G | VS1 | Ideal
From $549
Compare at $1,359
Save 59.6%IGI | 3.08ct | Round | G | VS1 | Ideal
From $549
Compare at $1,359
Entry pricing in this category starts around $174.
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 $11,076 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 $1,782 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 20,179 comparable stones in this segment. Prices start around $174 and go up to $11,250.
Based on the latest market data, the average asking price is about $2,268 with a median around $1,782.
The observed spread is roughly $11,076 across tracked listings, which is about 98.5% 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 $2,268. The median price is $1,782, 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 16 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 $11,076 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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