4.5 Carat Oval Natural Diamond Prices Comparison
As of October 2026, 4.5 carat oval natural diamonds in the 4.50–4.99 carat benchmark range usually range from $1,873 to $348,921, with an average price of $77,975.In the last month, prices for these diamonds are up 0.2%.Compare 41 verified listings across 9 retailers tracked by CaratRadar.
4.5 Carat Oval Natural Diamond Market Overview
CaratRadar currently tracks 41 verified 4.5-carat oval natural diamonds in the 4.50–4.99 carat benchmark range, listed across 9 online retailers. Prices in this segment range from $1,873 to $348,921, with an average asking price of $77,975 and a median of $74,707.
The price spread of $347,048 (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 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.
41 diamonds tracked in the 4.50–4.99 carat benchmark
Price range: $1,873 to $348,921
Average price: $77,975
Median price: $74,707
Available across 9 retailers
Savings potential: up to 99.5%
Price Range Overview
As of Oct 13, 2026Real market range for this carat, shape, and diamond type.
41
$1,873
$77,975
$74,707
$348,921
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 15.6%IGI | 4.51ct | Oval | K | VS2 | Ideal
From $24,247
Compare at $28,720
GIA | 4.5ct | Oval | K | SI2 | Excellent
From $29,250
Compare at $29,955
Save 19.1%IGI | 4.5ct | Oval | I | SI2 | Ideal
From $31,136
Compare at $38,474
GIA | 4.7ct | Oval | K | SI1 | Excellent
From $39,472
Compare at $41,066
Save 17.6%GIA | 4.52ct | Oval | I | SI2 | Ideal
From $43,090
Compare at $52,280
GIA | 4.5ct | Oval | F | SI2 | Excellent
From $47,170
Compare at $51,974
GIA | 4.51ct | Oval | J | SI2 | Ideal
From $47,474
Compare at $52,188
Save 10.4%IGI | 4.52ct | Oval | J | VVS2 | Very Good
From $47,948
Compare at $53,509
IGI | 4.52ct | Oval | I | VVS2 | Very Good
From $50,477
Compare at $55,700
GIA | 4.7ct | Oval | J | SI2 | Ideal
From $51,659
Compare at $52,787
GIA | 4.52ct | Oval | K | VS1 | Excellent
From $52,440
Compare at $56,419
Save 14.9%GIA | 4.58ct | Oval | I | SI2 | Ideal
From $54,248
Compare at $63,732
GIA | 4.51ct | Oval | I | SI2 | Ideal
From $55,235
Compare at $56,039
Save 24.4%GIA | 4.51ct | Oval | I | VS2 | Excellent
From $56,360
Compare at $74,550
Save 36%GIA | 4.52ct | Oval | J | VS2 | Ideal
From $57,178
Compare at $89,326
GIA | 4.5ct | Oval | H | SI2 | Excellent
From $64,031
Compare at $67,129
GIA | 4.55ct | Oval | H | SI2 | Good
From $65,579
Compare at $67,332
GIA | 4.51ct | Oval | I | SI1 | Very Good
From $68,716
Compare at $70,404
Save 22.1%GIA | 4.51ct | Oval | D | SI2 | Excellent
From $69,043
Compare at $88,686
GIA | 4.53ct | Oval | F | SI1 | Ideal
From $69,790
Compare at $73,541
GIA | 4.5ct | Oval | I | SI1 | Very Good
From $72,066
Compare at $72,995
GIA | 4.7ct | Oval | E | SI2 | Ideal
From $77,679
Compare at $79,727
Save 22%GIA | 4.52ct | Oval | F | VS2 | Excellent
From $78,295
Compare at $100,378
Save 22%GIA | 4.53ct | Oval | E | VS2 | Excellent
From $78,627
Compare at $100,804
Save 10.1%GIA | 4.51ct | Oval | H | SI1 | Ideal
From $79,727
Compare at $88,709
Save 25.6%GIA | 4.51ct | Oval | G | VS2 | Very Good
From $85,815
Compare at $115,343
GIA | 4.5ct | Oval | H | VS2 | Good
From $87,333
Compare at $91,558
Save 22%GIA | 4.5ct | Oval | D | VS2 | Excellent
From $88,847
Compare at $113,906
Save 22%GIA | 4.5ct | Oval | G | SI1 | Excellent
From $89,084
Compare at $114,210
Save 25.6%GIA | 4.51ct | Oval | G | VS2 | Excellent
From $94,120
Compare at $126,506
Save 10.1%GIA | 4.51ct | Oval | F | SI1 | Ideal
From $95,930
Compare at $106,739
Save 22%GIA | 4.51ct | Oval | F | VS2 | Excellent
From $106,378
Compare at $136,382
GIA | 4.52ct | Oval | F | VS2 | Excellent
From $108,049
Compare at $113,278
Save 28.6%GIA | 4.52ct | Oval | F | VS1 | Ideal
From $111,898
Compare at $156,720
GIA | 4.51ct | Oval | G | VS1 | Ideal
From $115,180
Compare at $119,479
GIA | 4.81ct | Oval | G | VVS2 | Ideal
From $130,230
Compare at $134,681
Save 28.6%GIA | 4.5ct | Oval | F | VVS1 | Excellent
From $131,572
Compare at $184,275
GIA | 4.5ct | Oval | D | VS2 | Ideal
From $142,090
Compare at $142,308
GIA | 4.8ct | Oval | D | VS2 | Ideal
From $154,971
Compare at $171,105
GIA | 4.7ct | Oval | D | VS2
From $155,320
Compare at $155,582
GIA | 4.66ct | Oval | D | VS1 | Ideal
From $156,957
Compare at $166,584
Entry pricing in this benchmark range starts around $1,873.
What to Know When Shopping for 4.5 Carat Oval Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $347,048 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 $74,707 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.
- Compare natural vs. lab-grown options for the same carat and shape. Lab-grown diamonds are chemically identical but often 30-50% less expensive.
- 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 41 comparable stones in the 4.50–4.99 carat benchmark range. Prices start around $1,873 and go up to $348,921.
Based on the latest market data, the average asking price is about $77,975 with a median around $74,707.
The observed spread is roughly $347,048 across tracked listings, which is about 99.5% from highest to lowest offer in the 4.50–4.99 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 $77,975. The median price is $74,707, 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 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 $347,048 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 Natural inventory for the 4.50–4.99 carat Oval diamond benchmark.