2.5 Carat Oval Lab Grown Diamond Prices Comparison
As of April 2026, 2.5 carat oval lab grown diamonds usually range from $475 to $9,810, with an average price of $2,149.In the last month, prices for these diamonds are down 0.1%.Compare 9,486 verified listings across 11 retailers tracked by CaratRadar.
2.5 Carat Oval Lab Grown Diamond Market Overview
CaratRadar currently tracks 9,486 verified 2.5-carat oval lab grown diamonds listed across 11 online retailers. Prices in this segment range from $475 to $9,810, with an average asking price of $2,149 and a median of $1,624.
The price spread of $9,335 (95.2% 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.
9,486 diamonds tracked in this segment
Price range: $475 to $9,810
Average price: $2,149
Median price: $1,624
Available across 11 retailers
Savings potential: up to 95.2%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
9,486
$475
$2,149
$1,624
$9,810
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 71.8%GCAL | 2.5ct | Oval | E | VVS1 | Excellent
From $2,893
Compare at $10,270
Save 14.5%GCAL | 2.5ct | Oval | D | FL | Excellent
From $8,962
Compare at $10,483
Save 73%GCAL | 2.5ct | Oval | D | IF | Ideal
From $4,383
Compare at $16,260
Save 71.8%GCAL | 2.5ct | Oval | D | VVS2 | Ideal
From $2,894
Compare at $10,270
Save 71.8%GCAL | 2.5ct | Oval | D | VVS2 | Ideal
From $2,894
Compare at $10,270
Save 71.8%GCAL | 2.5ct | Oval | D | VVS2 | Ideal
From $2,893
Compare at $10,270
Save 77%GCAL | 2.5ct | Oval | D | IF | Excellent
From $3,293
Compare at $14,310
Save 77.6%GIA | 2.5ct | Oval | E | VS1 | Excellent
From $1,949
Compare at $8,720
Save 32.7%GIA | 2.5ct | Oval | D | VVS1 | Ideal
From $5,950
Compare at $8,840
Save 26.2%GIA | 2.5ct | Oval | D | VS1 | Excellent
From $5,150
Compare at $6,980
Save 46.5%GIA | 2.5ct | Oval | D | FL | Excellent
From $9,305
Compare at $17,382
Save 71.8%GIA | 2.5ct | Oval | D | VVS2 | Excellent
From $2,541
Compare at $9,010
Save 56.6%GIA | 2.5ct | Oval | D | VVS2 | Ideal
From $1,693
Compare at $3,900
Save 34.2%GIA | 2.5ct | Oval | D | VVS2 | Ideal
From $5,600
Compare at $8,510
Save 66.5%GIA | 2.5ct | Oval | D | VS1 | Excellent
From $2,605
Compare at $7,770
Save 66.4%GIA | 2.5ct | Oval | E | VS1 | Excellent
From $2,383
Compare at $7,100
Save 71.8%GIA | 2.5ct | Oval | D | VVS2 | Excellent
From $2,521
Compare at $8,940
Save 42.1%GIA | 2.5ct | Oval | D | IF | Excellent
From $9,401
Compare at $16,230
Save 66.4%GIA | 2.5ct | Oval | E | VS1 | Good
From $2,383
Compare at $7,100
Save 79.3%GIA | 2.5ct | Oval | E | VVS2 | Excellent
From $2,205
Compare at $10,670
GIA | 2.5ct | Oval | D | VVS2 | Ideal
From $3,859
Compare at $3,860
Save 77.5%GIA | 2.5ct | Oval | E | VS1 | Excellent
From $1,600
Compare at $7,100
Save 79.3%GIA | 2.5ct | Oval | E | VVS2 | Excellent
From $2,205
Compare at $10,670
Save 79.3%GIA | 2.5ct | Oval | E | VVS2 | Excellent
From $2,205
Compare at $10,670
Save 61%GIA | 2.5ct | Oval | D | VVS1 | Ideal
From $1,778
Compare at $4,566
Save 34.2%GIA | 2.5ct | Oval | D | VVS2 | Ideal
From $5,600
Compare at $8,510
Save 77.4%GIA | 2.5ct | Oval | F | VVS2 | Excellent
From $2,005
Compare at $8,890
Save 66.4%GIA | 2.5ct | Oval | E | VS1 | Excellent
From $2,383
Compare at $7,100
Save 38.4%IGI | 2.5ct | Oval | I | VS1 | Ideal
From $2,920
Compare at $4,741
Save 47.6%IGI | 2.5ct | Oval | K | SI2 | Ideal
From $6,372
Compare at $12,152
Save 44.8%IGI | 2.5ct | Oval | I | SI1 | Ideal
From $5,597
Compare at $10,142
Save 44.6%IGI | 2.5ct | Oval | J | SI2 | Ideal
From $4,460
Compare at $8,050
Save 44.8%IGI | 2.5ct | Oval | I | SI1 | Ideal
From $5,597
Compare at $10,142
Save 42.7%IGI | 2.5ct | Oval | J | SI1 | Ideal
From $4,840
Compare at $8,445
Save 44.8%IGI | 2.5ct | Oval | I | SI1 | Ideal
From $5,597
Compare at $10,142
Save 44.6%IGI | 2.5ct | Oval | J | SI2 | Ideal
From $4,460
Compare at $8,050
Save 44.6%IGI | 2.5ct | Oval | J | SI2 | Ideal
From $4,460
Compare at $8,050
Save 43.4%IGI | 2.5ct | Oval | I | SI2 | Ideal
From $5,069
Compare at $8,960
Save 44.6%IGI | 2.5ct | Oval | J | SI2 | Ideal
From $4,460
Compare at $8,050
Save 42%IGI | 2.5ct | Oval | K | SI1 | Ideal
From $4,086
Compare at $7,041
Save 43.4%IGI | 2.5ct | Oval | I | SI2 | Very Good
From $5,069
Compare at $8,960
Save 43.4%IGI | 2.5ct | Oval | J | SI1 | Ideal
From $5,203
Compare at $9,196
Save 43.4%IGI | 2.5ct | Oval | J | VS2 | Ideal
From $5,003
Compare at $8,842
Save 32.6%IGI | 2.5ct | Oval | K | VS2 | Ideal
From $7,054
Compare at $10,464
Save 43.4%IGI | 2.5ct | Oval | J | SI1 | Ideal
From $5,203
Compare at $9,196
Save 44.6%IGI | 2.5ct | Oval | J | SI2 | Ideal
From $4,460
Compare at $8,050
Save 43.4%IGI | 2.5ct | Oval | J | VS2 | Ideal
From $5,003
Compare at $8,842
Save 43.4%IGI | 2.5ct | Oval | J | VS2 | Ideal
From $5,003
Compare at $8,842
Save 44.8%IGI | 2.5ct | Oval | I | SI1 | Ideal
From $5,597
Compare at $10,142
Save 43.4%IGI | 2.5ct | Oval | J | VS2 | Ideal
From $5,003
Compare at $8,842
Entry pricing in this category starts around $475.
What to Know When Shopping for 2.5 Carat Oval Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $9,335 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 $1,624 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.
- Oval diamonds can appear larger than rounds of the same carat weight due to their elongated face-up area. Watch for the bow-tie effect in lower-quality cuts.
Frequently Asked Questions
We currently track 9,486 comparable stones in this segment. Prices start around $475 and go up to $9,810.
Based on the latest market data, the average asking price is about $2,149 with a median around $1,624.
The observed spread is roughly $9,335 across tracked listings, which is about 95.2% 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 $1,624, 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 $9,335 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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