4.5 Carat Oval Lab Grown Diamond Prices Comparison
As of April 2026, 4.5 carat oval lab grown diamonds usually range from $663 to $33,866, with an average price of $4,406.In the last month, prices for these diamonds are down 1%.Compare 844 verified listings across 9 retailers tracked by CaratRadar.
4.5 Carat Oval Lab Grown Diamond Market Overview
CaratRadar currently tracks 844 verified 4.5-carat oval lab grown diamonds listed across 9 online retailers. Prices in this segment range from $663 to $33,866, with an average asking price of $4,406 and a median of $3,088.
The price spread of $33,203 (98.0% 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.
844 diamonds tracked in this segment
Price range: $663 to $33,866
Average price: $4,406
Median price: $3,088
Available across 9 retailers
Savings potential: up to 98.0%
Price Range Overview
As of Apr 13, 2026Real market range for this carat, shape, and diamond type.
844
$663
$4,406
$3,088
$33,866
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%GIA | 4.5ct | Oval | D | VVS1 | Excellent
From $9,500
Compare at $33,740
Save 76.5%GIA | 4.5ct | Oval | E | VVS1 | Excellent
From $5,627
Compare at $23,900
Save 76.8%GIA | 4.5ct | Oval | D | VVS2 | Excellent
From $6,235
Compare at $26,910
Save 59.1%GIA | 4.5ct | Oval | D | VVS2 | Excellent
From $6,533
Compare at $15,990
Save 42.9%GIA | 4.5ct | Oval | D | VVS2 | Excellent
From $12,401
Compare at $21,700
Save 72.8%GIA | 4.5ct | Oval | F | VS1 | Ideal
From $5,445
Compare at $20,030
Save 74.2%GIA | 4.5ct | Oval | F | VS1 | Excellent
From $8,815
Compare at $34,120
Save 76.6%GIA | 4.5ct | Oval | D | VVS2 | Excellent
From $6,235
Compare at $26,676
Save 58.6%GIA | 4.5ct | Oval | D | IF | Ideal
From $23,762
Compare at $57,370
Save 61%GIA | 4.5ct | Oval | D | VVS1 | Excellent
From $12,550
Compare at $32,180
Save 69.4%IGI | 4.5ct | Oval | H | VVS2 | Ideal
From $2,148
Compare at $7,010
IGI | 4.5ct | Oval | H | SI1 | Ideal
From $1,529
Compare at $1,607
Save 72.4%IGI | 4.5ct | Oval | G | VS2 | Ideal
From $1,323
Compare at $4,790
Save 83.8%IGI | 4.5ct | Oval | G | VVS2 | Ideal
From $1,484
Compare at $9,180
Save 16.8%IGI | 4.5ct | Oval | FANCY | VS1 | Excellent
From $2,340
Compare at $2,814
Save 75.6%IGI | 4.5ct | Oval | G | VS2 | Very Good
From $1,253
Compare at $5,140
Save 79.5%IGI | 4.5ct | Oval | E | VS1 | Excellent
From $2,113
Compare at $10,300
IGI | 4.5ct | Oval | F | SI1 | Very Good
From $2,108
Compare at $2,110
Save 34.5%IGI | 4.5ct | Oval | E | IF | Ideal
From $10,505
Compare at $16,050
Save 75.8%IGI | 4.5ct | Oval | G | VS2 | Very Good
From $1,325
Compare at $5,470
Save 72.4%IGI | 4.5ct | Oval | E | VVS1 | Excellent
From $3,698
Compare at $13,380
Save 77.5%IGI | 4.5ct | Oval | D | IF | Very Good
From $11,668
Compare at $51,750
IGI | 4.5ct | Oval | G | VVS2 | Ideal
From $2,842
Compare at $2,845
Save 50.9%IGI | 4.5ct | Oval | D | IF | Very Good
From $11,137
Compare at $22,670
Save 40.1%IGI | 4.5ct | Oval | F | VS2 | Ideal
From $1,403
Compare at $2,340
Save 62.6%IGI | 4.5ct | Oval | F | VVS1 | Ideal
From $4,385
Compare at $11,710
Save 60.6%IGI | 4.5ct | Oval | G | VVS2 | Excellent
From $1,336
Compare at $3,395
Save 72.4%IGI | 4.5ct | Oval | E | VS2 | Ideal
From $1,620
Compare at $5,880
Save 69.1%IGI | 4.5ct | Oval | D | VS1 | Ideal
From $2,771
Compare at $8,970
Save 61.1%IGI | 4.5ct | Oval | E | VS1 | Excellent
From $1,419
Compare at $3,645
Save 31.8%IGI | 4.5ct | Oval | E | VS1 | Ideal
From $6,290
Compare at $9,220
Save 77.3%IGI | 4.5ct | Oval | G | VVS2 | Ideal
From $1,253
Compare at $5,530
Save 74.4%IGI | 4.5ct | Oval | D | VS1 | Excellent
From $2,282
Compare at $8,930
Save 67.4%IGI | 4.5ct | Oval | D | VVS1 | Excellent
From $6,991
Compare at $21,443
Save 85.2%IGI | 4.5ct | Oval | F | VVS2 | Ideal
From $1,523
Compare at $10,310
Save 77.4%IGI | 4.5ct | Oval | E | IF | Excellent
From $9,455
Compare at $41,800
Save 76.3%IGI | 4.5ct | Oval | F | VS1 | Very Good
From $2,037
Compare at $8,590
Save 76.1%IGI | 4.5ct | Oval | E | VS1 | Ideal
From $1,690
Compare at $7,080
Save 79.4%IGI | 4.5ct | Oval | E | VS1 | Ideal
From $2,312
Compare at $11,240
Save 77.1%IGI | 4.5ct | Oval | E | VS2 | Ideal
From $2,252
Compare at $9,840
Save 84.1%IGI | 4.5ct | Oval | E | VS2 | Very Good
From $985
Compare at $6,180
Save 76%IGI | 4.5ct | Oval | E | VS2 | Very Good
From $1,477
Compare at $6,150
Save 73.4%IGI | 4.5ct | Oval | F | VS2 | Ideal
From $1,286
Compare at $4,840
Save 85.6%IGI | 4.5ct | Oval | G | VVS2 | Ideal
From $1,323
Compare at $9,170
Save 90.5%IGI | 4.5ct | Oval | E | VS2 | Very Good
From $1,253
Compare at $13,180
Save 75.5%IGI | 4.5ct | Oval | E | VS2 | Very Good
From $1,249
Compare at $5,090
Save 80.8%IGI | 4.5ct | Oval | E | VS1 | Very Good
From $1,497
Compare at $7,800
Save 34.4%IGI | 4.5ct | Oval | G | VVS2 | Very Good
From $1,896
Compare at $2,892
Save 39.1%IGI | 4.5ct | Oval | E | VVS2 | Ideal
From $6,975
Compare at $11,450
IGI | 4.5ct | Oval | E | VS1 | Excellent
From $1,492
Compare at $7,800
Entry pricing in this category starts around $663.
What to Know When Shopping for 4.5 Carat Oval Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $33,203 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 $3,088 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 844 comparable stones in this segment. Prices start around $663 and go up to $33,866.
Based on the latest market data, the average asking price is about $4,406 with a median around $3,088.
The observed spread is roughly $33,203 across tracked listings, which is about 98.0% 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 $3,088, 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 9 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 $33,203 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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