4 Carat Oval Lab Grown Diamond Prices Comparison
As of October 2026, 4 carat oval lab grown diamonds in the 4.00–4.49 carat benchmark range usually range from $131 to $41,070, with an average price of $2,991.In the last month, prices for these diamonds are down 1.9%.Compare 6,658 verified listings across 15 retailers tracked by CaratRadar.
4 Carat Oval Lab Grown Diamond Market Overview
CaratRadar currently tracks 6,658 verified 4-carat oval lab grown diamonds in the 4.00–4.49 carat benchmark range, listed across 15 online retailers. Prices in this segment range from $131 to $41,070, with an average asking price of $2,991 and a median of $2,043.
The price spread of $40,939 (99.7% 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.
6,658 diamonds tracked in the 4.00–4.49 carat benchmark
Price range: $131 to $41,070
Average price: $2,991
Median price: $2,043
Available across 15 retailers
Savings potential: up to 99.7%
Price Range Overview
As of Oct 12, 2026Real market range for this carat, shape, and diamond type.
6,658
$131
$2,991
$2,043
$41,070
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 76%IGI | 4.01ct | Oval | G | VVS2 | Ideal
From $605
Compare at $2,516
Save 78.5%IGI | 4.01ct | Oval | F | SI1 | Very Good
From $640
Compare at $2,970
Save 44%IGI | 4.01ct | Oval | H | VVS2 | Ideal
From $649
Compare at $1,158
Save 75.5%IGI | 4.04ct | Oval | G | VS1 | Excellent
From $653
Compare at $2,660
Save 52.2%IGI | 4.01ct | Oval | G | VS1 | Ideal
From $656
Compare at $1,373
Save 51.6%IGI | 4.01ct | Oval | G | VS1 | Ideal
From $665
Compare at $1,375
Save 68.1%IGI | 4.01ct | Oval | H | VS2 | Excellent
From $668
Compare at $2,096
Save 70.1%IGI | 4ct | Oval | F | VVS2 | Very Good
From $683
Compare at $2,282
Save 70.1%IGI | 4.05ct | Oval | F | VVS2 | Ideal
From $683
Compare at $2,284
Save 58.6%IGI | 4.01ct | Oval | F | VVS2 | Ideal
From $684
Compare at $1,654
Save 74.9%IGI | 4.03ct | Oval | G | SI1 | Ideal
From $685
Compare at $2,730
Save 60.6%IGI | 4.03ct | Oval | E | VS1 | Ideal
From $688
Compare at $1,745
Save 59.6%IGI | 4.03ct | Oval | E | VS1 | Ideal
From $688
Compare at $1,705
Save 55.3%IGI | 4.1ct | Oval | G | VVS2 | Excellent
From $689
Compare at $1,540
Save 69.8%IGI | 4.29ct | Oval | F | VS1 | Very Good
From $690
Compare at $2,283
Save 69.9%IGI | 4.01ct | Oval | E | VS1 | Excellent
From $692
Compare at $2,302
Save 60.3%IGI | 4.01ct | Oval | E | VS1 | Excellent
From $692
Compare at $1,743
Save 69.8%IGI | 4.02ct | Oval | E | VS1 | Excellent
From $693
Compare at $2,292
Save 78.1%IGI | 4.06ct | Oval | F | VS1 | Ideal
From $693
Compare at $3,168
Save 54.7%IGI | 4.09ct | Oval | G | VVS2 | Very Good
From $695
Compare at $1,534
Save 60.5%IGI | 4.03ct | Oval | E | VS1 | Excellent
From $695
Compare at $1,760
Save 55.8%IGI | 4ct | Oval | E | VS2 | Very Good
From $696
Compare at $1,574
Save 55.8%IGI | 4ct | Oval | E | VS2 | Excellent
From $696
Compare at $1,574
Save 38.5%IGI | 4ct | Oval | E | VS2 | Ideal
From $696
Compare at $1,132
Save 39.7%IGI | 4.02ct | Oval | H | VVS2 | Excellent
From $698
Compare at $1,158
Save 58%IGI | 4.01ct | Oval | F | VVS2 | Ideal
From $698
Compare at $1,660
Save 70%IGI | 4.01ct | Oval | F | VS1 | Excellent
From $698
Compare at $2,330
Save 56.4%IGI | 4.01ct | Oval | E | VS2 | Excellent
From $698
Compare at $1,600
Save 76.5%IGI | 4.03ct | Oval | F | SI1 | Excellent
From $700
Compare at $2,980
Save 69.8%IGI | 4.01ct | Oval | E | VS2 | Ideal
From $700
Compare at $2,315
Save 59.2%IGI | 4.06ct | Oval | F | VVS2 | Excellent
From $700
Compare at $1,716
Save 66.5%IGI | 4.05ct | Oval | G | VS1 | Excellent
From $700
Compare at $2,088
Save 58.8%IGI | 4.01ct | Oval | F | VS2 | Excellent
From $700
Compare at $1,700
Save 78.1%IGI | 4.02ct | Oval | F | VS2 | Very Good
From $701
Compare at $3,204
Save 78.1%IGI | 4.02ct | Oval | F | VS2 | Excellent
From $701
Compare at $3,204
Save 78.1%IGI | 4.02ct | Oval | F | VS2 | Ideal
From $701
Compare at $3,204
Save 78.1%IGI | 4.02ct | Oval | F | VS2 | Excellent
From $701
Compare at $3,204
Save 60.4%IGI | 4.02ct | Oval | E | VS1 | Ideal
From $701
Compare at $1,768
Save 70.8%IGI | 4.03ct | Oval | F | VVS2 | Ideal
From $703
Compare at $2,409
Save 58.2%IGI | 4.04ct | Oval | F | VVS2 | Excellent
From $703
Compare at $1,683
Save 50.1%IGI | 4.03ct | Oval | E | VS1 | Good
From $703
Compare at $1,410
Save 58.8%IGI | 4.03ct | Oval | F | VS2 | Excellent
From $703
Compare at $1,708
Save 52.4%IGI | 4ct | Oval | G | VS1 | Very Good
From $704
Compare at $1,480
Save 68.1%IGI | 4ct | Oval | G | VS2 | Ideal
From $704
Compare at $2,210
Save 55.4%IGI | 4.05ct | Oval | F | VS1 | Excellent
From $705
Compare at $1,580
Save 56.2%IGI | 4.05ct | Oval | E | VS2 | Excellent
From $705
Compare at $1,610
Save 78.1%IGI | 4ct | Oval | F | VS1 | Excellent
From $705
Compare at $3,223
Save 70.9%IGI | 4.01ct | Oval | F | VS1 | Very Good
From $706
Compare at $2,423
Save 70.9%IGI | 4.01ct | Oval | F | VS1 | Very Good
From $706
Compare at $2,423
Save 70.9%IGI | 4.01ct | Oval | F | VS1 | Excellent
From $706
Compare at $2,423
Entry pricing in this benchmark range starts around $131.
What to Know When Shopping for 4 Carat Oval Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $40,939 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 $2,043 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 6,658 comparable stones in the 4.00–4.49 carat benchmark range. Prices start around $131 and go up to $41,070.
Based on the latest market data, the average asking price is about $2,991 with a median around $2,043.
The observed spread is roughly $40,939 across tracked listings, which is about 99.7% from highest to lowest offer in the 4.00–4.49 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 $2,991. The median price is $2,043, 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 $40,939 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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Tracking Lab Grown inventory for the 4.00–4.49 carat Oval diamond benchmark.