4 Carat Oval Lab Grown Diamond Prices Comparison
As of May 2026, 4 carat oval lab grown diamonds usually range from $131 to $24,412, with an average price of $3,425.In the last month, prices for these diamonds are down 4.2%.Compare 3,900 verified listings across 13 retailers tracked by CaratRadar.
4 Carat Oval Lab Grown Diamond Market Overview
CaratRadar currently tracks 3,900 verified 4-carat oval lab grown diamonds listed across 13 online retailers. Prices in this segment range from $131 to $24,412, with an average asking price of $3,425 and a median of $2,351.
The price spread of $24,281 (99.5% 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.
3,900 diamonds tracked in this segment
Price range: $131 to $24,412
Average price: $3,425
Median price: $2,351
Available across 13 retailers
Savings potential: up to 99.5%
Price Range Overview
As of May 28, 2026Real market range for this carat, shape, and diamond type.
3,900
$131
$3,425
$2,351
$24,412
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 79.7%IGI | 4.07ct | Oval | I | VS2 | Ideal
From $591
Compare at $2,910
Save 78.1%IGI | 4.01ct | Oval | I | VS1 | Ideal
From $609
Compare at $2,780
Save 62.3%IGI | 4.04ct | Oval | H | VS2 | Ideal
From $613
Compare at $1,627
Save 62.3%IGI | 4.04ct | Oval | H | VS2 | Ideal
From $613
Compare at $1,627
Save 54.9%IGI | 4ct | Oval | H | VS1 | Very Good
From $625
Compare at $1,387
Save 37.6%IGI | 4.03ct | Oval | H | VS1 | Excellent
From $630
Compare at $1,009
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Excellent
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.6%IGI | 4.01ct | Oval | H | VS1 | Ideal
From $636
Compare at $1,575
Save 59.8%IGI | 4.03ct | Oval | H | VS1 | Ideal
From $639
Compare at $1,590
Save 59.8%IGI | 4.03ct | Oval | H | VS1 | Ideal
From $639
Compare at $1,590
Save 59.9%IGI | 4.04ct | Oval | H | VS1 | Ideal
From $641
Compare at $1,597
Save 59.9%IGI | 4.04ct | Oval | H | VS1 | Ideal
From $641
Compare at $1,597
Save 60%IGI | 4.05ct | Oval | H | VS1 | Ideal
From $642
Compare at $1,605
Save 60%IGI | 4.05ct | Oval | H | VS1 | Ideal
From $642
Compare at $1,605
Save 60%IGI | 4.05ct | Oval | H | VS1 | Ideal
From $642
Compare at $1,605
Save 60%IGI | 4.06ct | Oval | H | VS1 | Ideal
From $644
Compare at $1,612
Save 60%IGI | 4.06ct | Oval | H | VS1 | Ideal
From $644
Compare at $1,612
Save 60%IGI | 4.06ct | Oval | H | VS1 | Ideal
From $644
Compare at $1,612
Save 60.2%IGI | 4.07ct | Oval | H | VS1 | Ideal
From $645
Compare at $1,620
Save 60.2%IGI | 4.07ct | Oval | H | VS1 | Ideal
From $645
Compare at $1,620
Save 60.2%IGI | 4.07ct | Oval | H | VS1 | Ideal
From $645
Compare at $1,620
Save 60.2%IGI | 4.07ct | Oval | H | VS1 | Ideal
From $645
Compare at $1,620
Save 60.2%IGI | 4.07ct | Oval | H | VS1 | Ideal
From $645
Compare at $1,620
Save 60.2%IGI | 4.07ct | Oval | H | VS1 | Ideal
From $645
Compare at $1,620
Save 60.2%IGI | 4.07ct | Oval | H | VS1 | Ideal
From $645
Compare at $1,620
Save 60.2%IGI | 4.07ct | Oval | H | VS1 | Ideal
From $645
Compare at $1,620
Save 60.2%IGI | 4.08ct | Oval | H | VS1 | Ideal
From $647
Compare at $1,627
Save 60.2%IGI | 4.08ct | Oval | H | VS1 | Ideal
From $647
Compare at $1,627
Save 60.2%IGI | 4.08ct | Oval | H | VS1 | Ideal
From $647
Compare at $1,627
Save 60.2%IGI | 4.08ct | Oval | H | VS1 | Ideal
From $647
Compare at $1,627
Save 60.2%IGI | 4.08ct | Oval | H | VS1 | Ideal
From $647
Compare at $1,627
Save 60.4%IGI | 4.09ct | Oval | H | VS1 | Ideal
From $648
Compare at $1,635
Save 60.4%IGI | 4.09ct | Oval | H | VS1 | Ideal
From $648
Compare at $1,635
Save 78.5%IGI | 4.01ct | Oval | H | VS2 | Excellent
From $654
Compare at $3,040
Save 58.1%IGI | 4.01ct | Oval | H | VS1 | Excellent
From $663
Compare at $1,581
Save 58.3%IGI | 4.03ct | Oval | H | VS1 | Very Good
From $666
Compare at $1,596
Save 58.4%IGI | 4.04ct | Oval | H | VS1 | Excellent
From $668
Compare at $1,604
Save 57.7%IGI | 4.02ct | Oval | H | VS1 | Excellent
From $673
Compare at $1,590
Entry pricing in this category 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 $24,281 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 $2,351 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 3,900 comparable stones in this segment. Prices start around $131 and go up to $24,412.
Based on the latest market data, the average asking price is about $3,425 with a median around $2,351.
The observed spread is roughly $24,281 across tracked listings, which is about 99.5% from highest to lowest offer in this bucket.
We refresh pricing data daily so these pages stay current with market changes.
Based on completed market data, the fair market benchmark is $3,425. The median price is $2,351, 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 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 $24,281 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.
3.9 Carat Oval Lab Grown Diamond Prices
4.1 Carat Oval Lab Grown Diamond Prices
3.8 Carat Oval Lab Grown Diamond Prices
4.2 Carat Oval Lab Grown Diamond Prices
3.7 Carat Oval Lab Grown Diamond Prices
4.3 Carat Oval Lab Grown Diamond Prices
3.6 Carat Oval Lab Grown Diamond Prices
4 Carat Round Lab Grown Diamond Prices
4 Carat Radiant Lab Grown Diamond Prices
4 Carat Pear Lab Grown Diamond Prices
4 Carat Emerald Lab Grown Diamond Prices
4 Carat Cushion Lab Grown Diamond Prices
Tracking Lab Grown inventory for 4 carat Oval diamonds.