2.5 Carat Lab Grown Diamond Prices Comparison
As of April 2026, the average price of a 2.5 carat lab grown diamond is $3,447.2.5 carat diamonds can cost anywhere from $110 to $15,788 depending on shape, color, clarity, and other factors.In the last month, prices for these diamonds are down 0.5%.Compare 49,153 verified listings across 13 retailers in the tables below.
2.5 Carat Lab Grown Diamond Market Overview
CaratRadar currently tracks 49,153 verified 2.5-carat lab grown diamonds listed across 13 online retailers. Prices in this segment range from $110 to $15,788, with an average asking price of $3,447 and a median of $3,062.
The price spread of $15,678 (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.
49,153 diamonds tracked in this segment
Price range: $110 to $15,788
Average price: $3,447
Median price: $3,062
Available across 13 retailers
Savings potential: up to 99.3%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
49,153
$110
$3,447
$3,062
$15,788
Price History
Price Comparison Matrix
2.5 Carat Lab Grown Diamond Prices by Shape
Shape-level averages for this carat and type. Open each shape page for full market detail.
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
Save 74.6%IGI | 2.54ct | Antique | E | VVS2 | Ideal
From $1,339
Compare at $5,270
Save 70.3%IGI | 2.58ct | Antique | E | VS1 | Ideal
From $1,317
Compare at $4,440
Save 82.5%IGI | 2.59ct | Antique | E | VS1 | Ideal
From $885
Compare at $5,060
Save 77.6%GIA | 2.5ct | Asscher | D | VVS2 | Ideal
From $2,191
Compare at $9,790
Save 77.6%GIA | 2.5ct | Asscher | D | VVS2 | Ideal
From $2,191
Compare at $9,790
Save 77.4%GIA | 2.5ct | Asscher | D | VS1 | Very Good
From $2,191
Compare at $9,700
Save 71.8%GIA | 2.5ct | Asscher | E | VS1 | Excellent
From $2,491
Compare at $8,830
Save 74.6%IGI | 2.5ct | Asscher | G | VS1 | Very Good
From $1,215
Compare at $4,780
Save 77.6%IGI | 2.5ct | Asscher | G | VS2 | Ideal
From $990
Compare at $4,430
Save 79.1%IGI | 2.5ct | Asscher | G | VS1 | Ideal
From $1,043
Compare at $4,990
Save 77.6%IGI | 2.5ct | Asscher | G | VS1 | Ideal
From $1,059
Compare at $4,730
Save 79.7%IGI | 2.5ct | Asscher | E | VVS2 | Ideal
From $1,331
Compare at $6,570
Save 78.9%IGI | 2.5ct | Asscher | E | VS1 | Very Good
From $1,216
Compare at $5,760
Save 75.2%IGI | 2.5ct | Asscher | E | VVS1 | Ideal
From $2,811
Compare at $11,340
Save 80.1%IGI | 2.5ct | Asscher | D | VS1 | Ideal
From $1,064
Compare at $5,350
Save 78.9%IGI | 2.5ct | Asscher | E | VS1 | Ideal
From $1,022
Compare at $4,840
Save 74.5%IGI | 2.5ct | Asscher | D | VS1 | Ideal
From $1,248
Compare at $4,900
Save 72.5%IGI | 2.5ct | Asscher | F | VVS2 | Ideal
From $1,022
Compare at $3,720
Save 80.6%IGI | 2.5ct | Asscher | E | VS1 | Ideal
From $1,022
Compare at $5,260
Save 80.6%IGI | 2.5ct | Asscher | E | VS1 | Ideal
From $1,022
Compare at $5,260
Save 81.7%IGI | 2.5ct | Asscher | D | VS1 | Ideal
From $1,064
Compare at $5,820
Save 80.6%IGI | 2.5ct | Asscher | E | VS1 | Ideal
From $1,022
Compare at $5,260
Save 64%IGI | 2.5ct | Asscher | F | IF | Excellent
From $2,737
Compare at $7,610
Save 54.7%IGI | 2.5ct | Asscher | E | VS2 | Excellent
From $1,288
Compare at $2,840
Save 83.5%IGI | 2.5ct | Asscher | D | VVS1 | Ideal
From $1,238
Compare at $7,510
Save 48.1%IGI | 2.5ct | Asscher | E | VS1 | Ideal
From $870
Compare at $1,674
Save 79.3%IGI | 2.5ct | Asscher | D | VVS2 | Ideal
From $1,059
Compare at $5,120
Save 51.9%IGI | 2.5ct | Asscher | E | VVS2 | Excellent
From $890
Compare at $1,852
Save 74.5%IGI | 2.5ct | Asscher | D | VVS1 | Ideal
From $1,256
Compare at $4,930
Save 87%IGI | 2.5ct | Asscher | D | VVS2 | Very Good
From $845
Compare at $6,480
Save 51.5%IGI | 2.5ct | Asscher | G | VVS2 | Excellent
From $819
Compare at $1,688
IGI | 2.5ct | Asscher | D | VS1 | Ideal
From $970
Compare at $5,770
Save 40.4%IGI | 2.5ct | Asscher | D | VVS1 | Ideal
From $1,175
Compare at $1,971
Save 75%IGI | 2.5ct | Asscher | E | SI1 | Ideal
From $653
Compare at $2,610
Save 79.8%IGI | 2.5ct | Asscher | D | VS1 | Ideal
From $1,246
Compare at $6,170
Save 83.9%IGI | 2.5ct | Asscher | D | VVS1 | Ideal
From $1,207
Compare at $7,510
Save 56.2%IGI | 2.5ct | Asscher | F | VVS2 | Excellent
From $913
Compare at $2,085
Save 84.4%IGI | 2.5ct | Asscher | D | VVS1 | Ideal
From $1,166
Compare at $7,500
Save 83.5%IGI | 2.5ct | Asscher | D | VVS1 | Ideal
From $1,238
Compare at $7,510
Save 50.4%IGI | 2.5ct | Asscher | FANCY | VVS2 | Ideal
From $1,773
Compare at $3,574
Save 50.4%IGI | 2.5ct | Asscher | FANCY | VVS2 | Ideal
From $1,773
Compare at $3,574
Save 50.4%IGI | 2.5ct | Asscher | FANCY | VS1 | Very Good
From $1,675
Compare at $3,375
Save 69.7%IGI | 2.5ct | Asscher | G | VVS2 | Ideal
From $969
Compare at $3,200
Save 82.4%IGI | 2.5ct | Asscher | D | VVS2 | Ideal
From $690
Compare at $3,930
Save 81.6%IGI | 2.5ct | Asscher | F | VVS1 | Ideal
From $1,039
Compare at $5,640
Save 78.3%IGI | 2.5ct | Asscher | D | VVS2 | Ideal
From $845
Compare at $3,890
Save 84.4%IGI | 2.5ct | Asscher | D | VVS1 | Ideal
From $1,166
Compare at $7,500
Save 75.6%IGI | 2.5ct | Asscher | D | VVS1 | Ideal
From $1,238
Compare at $5,080
Save 56.2%IGI | 2.5ct | Asscher | F | VS1 | Excellent
From $878
Compare at $2,005
IGI | 2.5ct | Asscher | D | VVS2 | Ideal
From $1,385
Compare at $1,478
Entry pricing in this category starts around $110.
What to Know When Shopping for 2.5 Carat Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $15,678 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 $3,062 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.
Frequently Asked Questions
We currently track 49,153 comparable stones in this segment. Prices start around $110 and go up to $15,788.
Based on the latest market data, the average asking price is about $3,447 with a median around $3,062.
The observed spread is roughly $15,678 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 $3,062, 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 $15,678 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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