2.5 Carat Oval Lab Grown Diamond Prices Comparison
As of October 2026, 2.5 carat oval lab grown diamonds in the 2.50–2.74 carat benchmark range usually range from $307 to $11,837, with an average price of $1,880.In the last month, prices for these diamonds are down 1.8%.Compare 6,944 verified listings across 15 retailers tracked by CaratRadar.
2.5 Carat Oval Lab Grown Diamond Market Overview
CaratRadar currently tracks 6,944 verified 2.5-carat oval lab grown diamonds in the 2.50–2.74 carat benchmark range, listed across 15 online retailers. Prices in this segment range from $307 to $11,837, with an average asking price of $1,880 and a median of $1,333.
The price spread of $11,530 (97.4% 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 use the same benchmark range throughout the page and 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.
6,944 diamonds tracked in the 2.50–2.74 carat benchmark
Price range: $307 to $11,837
Average price: $1,880
Median price: $1,333
Available across 15 retailers
Savings potential: up to 97.4%
Price Range Overview
As of Oct 12, 2026Real market range for this carat, shape, and diamond type.
6,944
$307
$1,880
$1,333
$11,837
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers in the same benchmark range and open any listing for full details.
Save 23.9%IGI | 2.51ct | Oval | E | VS1 | Excellent
From $316
Compare at $415
Save 37.6%GCAL | 2.53ct | Oval | H | SI2 | Excellent
From $415
Compare at $665
Save 61.3%IGI | 2.53ct | Oval | F | VS2 | Excellent
From $445
Compare at $1,149
Save 39.5%IGI | 2.5ct | Oval | F | VS1 | Very Good
From $451
Compare at $746
Save 39.4%IGI | 2.52ct | Oval | F | VS1 | Very Good
From $456
Compare at $752
Save 63.9%IGI | 2.54ct | Oval | F | VS2 | Ideal
From $459
Compare at $1,270
Save 47.9%IGI | 2.53ct | Oval | F | VS1 | Excellent
From $479
Compare at $919
Save 72%IGI | 2.51ct | Oval | E | VS1 | Very Good
From $490
Compare at $1,748
Save 13.5%IGI | 2.52ct | Oval | J | VS1 | Excellent
From $495
Compare at $572
Save 30.1%IGI | 2.51ct | Oval | F | VS1 | Excellent
From $496
Compare at $710
Save 67.3%IGI | 2.53ct | Oval | E | VS1 | Very Good
From $500
Compare at $1,529
Save 32.8%IGI | 2.54ct | Oval | E | VS1 | Very Good
From $502
Compare at $747
Save 67.3%IGI | 2.52ct | Oval | E | VS1 | Very Good
From $503
Compare at $1,539
Save 71.9%IGI | 2.58ct | Oval | E | VS1 | Ideal
From $504
Compare at $1,793
Save 47.1%IGI | 2.55ct | Oval | E | VS2 | Excellent
From $506
Compare at $957
Save 66.7%IGI | 2.62ct | Oval | F | VS2 | Excellent
From $507
Compare at $1,523
Save 78.9%IGI | 2.5ct | Oval | F | VS2 | Very Good
From $508
Compare at $2,410
Save 59.7%IGI | 2.52ct | Oval | E | VS2 | Excellent
From $508
Compare at $1,260
Save 72.4%IGI | 2.5ct | Oval | F | VS2 | Very Good
From $508
Compare at $1,841
Save 37.1%IGI | 2.5ct | Oval | F | VS1 | Ideal
From $508
Compare at $808
Save 46.6%IGI | 2.54ct | Oval | E | VS2 | Excellent
From $508
Compare at $951
Save 78.8%IGI | 2.52ct | Oval | F | SI1 | Ideal
From $510
Compare at $2,400
Save 44.1%IGI | 2.57ct | Oval | E | SI1 | Ideal
From $512
Compare at $916
Save 29.5%IGI | 2.51ct | Oval | E | VS2 | Very Good
From $512
Compare at $726
Save 67.3%IGI | 2.51ct | Oval | E | VS1 | Excellent
From $512
Compare at $1,566
Save 39.9%IGI | 2.5ct | Oval | G | VVS2 | Very Good
From $513
Compare at $854
Save 68.8%IGI | 2.58ct | Oval | F | VVS2 | Ideal
From $513
Compare at $1,645
Save 69.2%IGI | 2.59ct | Oval | F | VVS2 | Excellent
From $514
Compare at $1,670
Save 68.9%IGI | 2.59ct | Oval | F | VS1 | Ideal
From $514
Compare at $1,651
Save 74.8%IGI | 2.58ct | Oval | G | SI1 | Ideal
From $515
Compare at $2,040
Save 74.8%IGI | 2.58ct | Oval | G | SI1 | Ideal
From $515
Compare at $2,040
Save 73.2%IGI | 2.51ct | Oval | H | VS2 | Ideal
From $515
Compare at $1,920
Save 79%IGI | 2.58ct | Oval | F | SI1 | Ideal
From $515
Compare at $2,450
Save 78.9%IGI | 2.57ct | Oval | F | SI1 | Ideal
From $515
Compare at $2,440
Save 24.5%IGI | 2.56ct | Oval | F | SI1 | Ideal
From $516
Compare at $683
Save 49.9%IGI | 2.54ct | Oval | F | VVS2 | Very Good
From $516
Compare at $1,030
Save 24.4%IGI | 2.51ct | Oval | F | SI1 | Ideal
From $517
Compare at $684
Save 66.6%IGI | 2.5ct | Oval | H | VS2 | Good
From $517
Compare at $1,546
Save 66.6%IGI | 2.51ct | Oval | H | VS2 | Ideal
From $518
Compare at $1,551
Save 49%IGI | 2.52ct | Oval | F | VVS2 | Ideal
From $518
Compare at $1,016
Save 49.7%IGI | 2.52ct | Oval | F | VVS2 | Excellent
From $518
Compare at $1,030
Save 24.4%IGI | 2.52ct | Oval | F | SI1 | Ideal
From $519
Compare at $687
Save 24.4%IGI | 2.52ct | Oval | F | SI1 | Excellent
From $519
Compare at $687
Save 67.3%IGI | 2.6ct | Oval | F | VVS2 | Ideal
From $519
Compare at $1,588
Save 80%IGI | 2.51ct | Oval | E | SI1 | Ideal
From $520
Compare at $2,600
Save 66%IGI | 2.59ct | Oval | F | VS1 | Very Good
From $520
Compare at $1,532
Save 34.4%IGI | 2.5ct | Oval | F | VVS2 | Excellent
From $520
Compare at $793
Save 44.2%IGI | 2.5ct | Oval | E | VS1 | Ideal
From $520
Compare at $932
Save 66.1%IGI | 2.56ct | Oval | F | VVS2 | Very Good
From $520
Compare at $1,535
Save 47.8%IGI | 2.59ct | Oval | E | VS2 | Excellent
From $523
Compare at $1,002
Entry pricing in this benchmark range starts around $307.
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 $11,530 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 $1,333 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 6,944 comparable stones in the 2.50–2.74 carat benchmark range. Prices start around $307 and go up to $11,837.
Based on the latest market data, the average asking price is about $1,880 with a median around $1,333.
The observed spread is roughly $11,530 across tracked listings, which is about 97.4% from highest to lowest offer in the 2.50–2.74 carat benchmark range.
We refresh pricing data daily so these pages stay current with market changes.
Based on completed market data, the fair market benchmark is $1,880. The median price is $1,333, 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 15 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 $11,530 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.
Related Price Categories
Explore adjacent carat ranges and shapes to compare market shifts.
2.25 Carat Oval Lab Grown Diamond Prices
2 Carat Oval Lab Grown Diamond Prices
2.75 Carat Oval Lab Grown Diamond Prices
2.5 Carat Round Lab Grown Diamond Prices
2.5 Carat Cushion Lab Grown Diamond Prices
2.5 Carat Marquise Lab Grown Diamond Prices
2.5 Carat Pear Lab Grown Diamond Prices
2.5 Carat Emerald Lab Grown Diamond Prices
2.5 Carat Radiant Lab Grown Diamond Prices
2.5 Carat Princess Lab Grown Diamond Prices
2.5 Carat Heart Lab Grown Diamond Prices
2.5 Carat Asscher Lab Grown Diamond Prices
Tracking Lab Grown inventory for the 2.50–2.74 carat Oval diamond benchmark.