2.5 Carat Round Lab Grown Diamond Prices Comparison
As of April 2026, 2.5 carat round lab grown diamonds usually range from $422 to $10,541, with an average price of $2,058.In the last month, prices for these diamonds are down 0.5%.Compare 17,713 verified listings across 11 retailers tracked by CaratRadar.
2.5 Carat Round Lab Grown Diamond Market Overview
CaratRadar currently tracks 17,713 verified 2.5-carat round lab grown diamonds listed across 11 online retailers. Prices in this segment range from $422 to $10,541, with an average asking price of $2,058 and a median of $1,571.
The price spread of $10,119 (96.0% 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.
17,713 diamonds tracked in this segment
Price range: $422 to $10,541
Average price: $2,058
Median price: $1,571
Available across 11 retailers
Savings potential: up to 96.0%
Price Range Overview
As of Apr 13, 2026Real market range for this carat, shape, and diamond type.
17,713
$422
$2,058
$1,571
$10,541
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 66.5%GCAL | 2.5ct | Round | E | VVS1 | Ideal
From $3,089
Compare at $9,220
Save 80.2%GCAL | 2.5ct | Round | E | VVS1 | Excellent
From $1,700
Compare at $8,570
Save 80.9%GCAL | 2.5ct | Round | D | FL | Excellent
From $9,083
Compare at $47,480
Save 75.9%GCAL | 2.5ct | Round | F | FL | Excellent
From $6,702
Compare at $27,830
Save 79.3%GCAL | 2.5ct | Round | D | VVS2 | Excellent
From $1,684
Compare at $8,120
Save 79.1%GCAL | 2.5ct | Round | D | VVS1 | Excellent
From $1,820
Compare at $8,720
Save 78.4%GCAL | 2.5ct | Round | D | VVS2 | Excellent
From $1,684
Compare at $7,810
Save 57.3%GCAL | 2.5ct | Round | D | VS1 | Excellent
From $1,716
Compare at $4,024
Save 13.3%GCAL | 2.5ct | Round | D | FL | Excellent
From $9,805
Compare at $11,306
GCAL | 2.5ct | Round | D | VVS1 | Excellent
From $2,036
Compare at $4,952
Save 76.4%GCAL | 2.5ct | Round | F | VS1 | Ideal
From $1,410
Compare at $5,970
Save 10.3%GCAL | 2.5ct | Round | D | FL | Excellent
From $8,667
Compare at $9,659
Save 59.2%GIA | 2.5ct | Round | D | VVS2 | Excellent
From $1,778
Compare at $4,356
Save 27.3%GIA | 2.5ct | Round | D | VVS1 | Excellent
From $7,100
Compare at $9,770
Save 67.1%GIA | 2.5ct | Round | D | SI2 | Excellent
From $1,909
Compare at $5,800
Save 71.8%GIA | 2.5ct | Round | D | VS2 | Excellent
From $2,126
Compare at $7,530
GIA | 2.5ct | Round | D | VS1 | Very Good
From $5,630
Save 77.6%GIA | 2.5ct | Round | E | VS1 | Excellent
From $1,754
Compare at $7,840
Save 27.9%GIA | 2.5ct | Round | D | VS1 | Very Good
From $1,262
Compare at $1,751
Save 78.3%GIA | 2.5ct | Round | D | VVS2 | Excellent
From $1,959
Compare at $9,030
Save 72.3%GIA | 2.5ct | Round | E | VS1 | Excellent
From $2,263
Compare at $8,170
Save 78.5%GIA | 2.5ct | Round | D | VS1 | Excellent
From $2,238
Compare at $10,400
Save 71.8%GIA | 2.5ct | Round | F | VS1 | Very Good
From $2,126
Compare at $7,530
Save 72.3%GIA | 2.5ct | Round | D | VVS2 | Excellent
From $3,128
Compare at $11,290
Save 61.3%GIA | 2.5ct | Round | D | VVS1 | Excellent
From $1,798
Compare at $4,643
Save 72.3%GIA | 2.5ct | Round | E | VS1 | Excellent
From $2,263
Compare at $8,170
Save 78.5%GIA | 2.5ct | Round | E | VVS2 | Excellent
From $2,292
Compare at $10,650
Save 80.7%GIA | 2.5ct | Round | E | VS1 | Excellent
From $1,520
Compare at $7,860
GIA | 2.5ct | Round | D | VS1 | Very Good
From $5,630
Save 25.6%GIA | 2.5ct | Round | D | VVS2 | Excellent
From $1,785
Compare at $2,398
Save 44.9%GIA | 2.5ct | Round | D | IF | Ideal
From $9,083
Compare at $16,470
Save 24.8%GIA | 2.5ct | Round | D | VS1 | Ideal
From $5,370
Compare at $7,140
Save 78.3%GIA | 2.5ct | Round | D | VVS2 | Excellent
From $1,959
Compare at $9,030
Save 74.7%GIA | 2.5ct | Round | D | VVS2 | Very Good
From $2,480
Compare at $9,790
Save 78.5%GIA | 2.5ct | Round | D | VS1 | Excellent
From $2,238
Compare at $10,400
Save 73.3%GIA | 2.5ct | Round | D | VVS2 | Very Good
From $1,677
Compare at $6,270
Save 72.3%GIA | 2.5ct | Round | E | VS1 | Excellent
From $2,263
Compare at $8,170
Save 61.3%GIA | 2.5ct | Round | D | VVS1 | Excellent
From $1,798
Compare at $4,643
Save 72.2%GIA | 2.5ct | Round | E | VVS2 | Very Good
From $1,646
Compare at $5,910
Save 72.3%GIA | 2.5ct | Round | E | VS1 | Excellent
From $2,263
Compare at $8,170
Save 72.3%GIA | 2.5ct | Round | E | VS1 | Excellent
From $2,263
Compare at $8,170
Save 80.5%GIA | 2.5ct | Round | E | VS2 | Excellent
From $1,345
Compare at $6,880
GIA | 2.5ct | Round | D | VS2 | Ideal
From $4,590
Save 41.7%GIA | 2.5ct | Round | D | FL | Excellent
From $7,477
Compare at $12,820
Save 78.5%GIA | 2.5ct | Round | D | VS1 | Excellent
From $2,238
Compare at $10,400
Save 20%GIA | 2.5ct | Round | D | VS2 | Excellent
From $1,644
Compare at $2,055
Save 73.8%GIA | 2.5ct | Round | F | VVS1 | Excellent
From $1,785
Compare at $6,800
Save 78.1%GIA | 2.5ct | Round | F | VS1 | Excellent
From $1,950
Compare at $8,910
Save 72.3%GIA | 2.5ct | Round | E | VS1 | Excellent
From $2,263
Compare at $8,170
IGI | 2.5ct | Round | J | VS2 | Ideal
From $5,137
Compare at $5,140
Entry pricing in this category starts around $422.
What to Know When Shopping for 2.5 Carat Round Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $10,119 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 $1,571 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 17,713 comparable stones in this segment. Prices start around $422 and go up to $10,541.
Based on the latest market data, the average asking price is about $2,058 with a median around $1,571.
The observed spread is roughly $10,119 across tracked listings, which is about 96.0% 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 $1,571, 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 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 $10,119 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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