4.5 Carat Emerald Lab Grown Diamond Prices Comparison
As of October 2026, 4.5 carat emerald lab grown diamonds in the 4.50–4.99 carat benchmark range usually range from $471 to $38,382, with an average price of $3,209.In the last month, prices for these diamonds are down 2.8%.Compare 1,090 verified listings across 14 retailers tracked by CaratRadar.
4.5 Carat Emerald Lab Grown Diamond Market Overview
CaratRadar currently tracks 1,090 verified 4.5-carat emerald lab grown diamonds in the 4.50–4.99 carat benchmark range, listed across 14 online retailers. Prices in this segment range from $471 to $38,382, with an average asking price of $3,209 and a median of $2,221.
The price spread of $37,911 (98.8% 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.
1,090 diamonds tracked in the 4.50–4.99 carat benchmark
Price range: $471 to $38,382
Average price: $3,209
Median price: $2,221
Available across 14 retailers
Savings potential: up to 98.8%
Price Range Overview
As of Oct 14, 2026Real market range for this carat, shape, and diamond type.
1,090
$471
$3,209
$2,221
$38,382
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 58.2%IGI | 4.52ct | Emerald | F | VS2 | Very Good
From $618
Compare at $1,478
Save 73%IGI | 4.55ct | Emerald | F | VS1 | Very Good
From $631
Compare at $2,340
Save 73%IGI | 4.52ct | Emerald | G | VS2 | Very Good
From $640
Compare at $2,372
Save 73%IGI | 4.57ct | Emerald | H | VVS2 | Fair
From $658
Compare at $2,439
Save 69%IGI | 4.51ct | Emerald | G | VS1 | Very Good
From $659
Compare at $2,124
Save 69.1%IGI | 4.56ct | Emerald | F | VS1 | Very Good
From $687
Compare at $2,223
Save 69.1%IGI | 4.58ct | Emerald | F | VS1 | Very Good
From $689
Compare at $2,233
Save 77.8%IGI | 4.71ct | Emerald | G | VS1 | Ideal
From $710
Compare at $3,197
Save 69.8%IGI | 4.52ct | Emerald | F | VS1 | Very Good
From $711
Compare at $2,352
Save 68.9%IGI | 4.88ct | Emerald | G | VS2 | Very Good
From $713
Compare at $2,296
Save 68.7%IGI | 4.94ct | Emerald | G | VS2 | Very Good
From $721
Compare at $2,302
Save 78.1%IGI | 4.96ct | Emerald | F | VS1 | Very Good
From $723
Compare at $3,307
Save 61.1%IGI | 4.5ct | Emerald | F | VVS2 | Ideal
From $724
Compare at $1,859
Save 62.5%IGI | 4.51ct | Emerald | E | VS1 | Very Good
From $726
Compare at $1,934
Save 68.9%IGI | 4.55ct | Emerald | G | VS1 | Ideal
From $727
Compare at $2,340
Save 53.6%IGI | 4.99ct | Emerald | FANCY | SI1 | Good
From $731
Compare at $1,576
Save 62.8%IGI | 4.56ct | Emerald | E | VS1 | Very Good
From $734
Compare at $1,974
Save 79.6%IGI | 4.53ct | Emerald | E | VS2 | Ideal
From $741
Compare at $3,632
Save 69%IGI | 4.52ct | Emerald | F | VS2 | Ideal
From $741
Compare at $2,387
Save 51.3%IGI | 4.52ct | Emerald | G | VS1 | Very Good
From $741
Compare at $1,523
Save 29.5%IGI | 4.51ct | Emerald | F | VS1 | Very Good
From $745
Compare at $1,057
Save 60.3%IGI | 4.54ct | Emerald | F | VVS2 | Very Good
From $745
Compare at $1,875
Save 57.4%IGI | 4.54ct | Emerald | F | VS2 | Very Good
From $745
Compare at $1,747
Save 78.3%IGI | 4.86ct | Emerald | H | VVS2 | Ideal
From $745
Compare at $3,431
Save 62.4%IGI | 4.54ct | Emerald | E | VS1 | Ideal
From $745
Compare at $1,984
Save 29.6%IGI | 4.52ct | Emerald | G | VS1 | Very Good
From $746
Compare at $1,060
Save 68.9%IGI | 4.55ct | Emerald | F | VS1 | Ideal
From $746
Compare at $2,402
Save 62.7%IGI | 4.56ct | Emerald | G | VVS2 | Very Good
From $748
Compare at $2,003
Save 47.8%IGI | 4.82ct | Emerald | FANCY | VS2 | Good
From $750
Compare at $1,438
Save 68.9%IGI | 4.53ct | Emerald | F | VS1 | Ideal
From $753
Compare at $2,424
Save 65%IGI | 4.53ct | Emerald | F | VS1 | Very Good
From $753
Compare at $2,149
Save 56.8%IGI | 4.55ct | Emerald | F | VS2 | Very Good
From $756
Compare at $1,749
Save 49.8%IGI | 4.51ct | Emerald | G | VS1 | Ideal
From $760
Compare at $1,514
Save 68.7%IGI | 4.53ct | Emerald | F | VS1 | Very Good
From $761
Compare at $2,429
Save 56.5%IGI | 4.54ct | Emerald | E | VS2 | Very Good
From $764
Compare at $1,755
Save 44.1%IGI | 4.59ct | Emerald | FANCY | VS2 | Very Good
From $765
Compare at $1,369
Save 70.7%IGI | 4.94ct | Emerald | E | VS1 | Very Good
From $768
Compare at $2,619
Save 55.3%IGI | 4.53ct | Emerald | F | VS1 | Very Good
From $768
Compare at $1,719
Save 55.3%IGI | 4.51ct | Emerald | F | VS1 | Good
From $771
Compare at $1,725
Save 64.2%IGI | 4.51ct | Emerald | E | VS1 | Excellent
From $772
Compare at $2,156
Save 64.8%IGI | 4.69ct | Emerald | F | VS1 | Very Good
From $773
Compare at $2,193
Save 56%IGI | 4.55ct | Emerald | F | VS2 | Very Good
From $778
Compare at $1,770
Save 64.2%IGI | 4.59ct | Emerald | H | VS2 | Ideal
From $782
Compare at $2,187
Save 55.4%IGI | 4.58ct | Emerald | F | VS1 | Very Good
From $783
Compare at $1,755
Save 54.5%IGI | 4.54ct | Emerald | F | VS1 | Very Good
From $786
Compare at $1,729
Save 54.5%IGI | 4.54ct | Emerald | F | VS1 | Ideal
From $786
Compare at $1,729
Save 54.5%IGI | 4.54ct | Emerald | F | VS1 | Ideal
From $786
Compare at $1,729
Save 65.1%IGI | 4.75ct | Emerald | F | VS1 | Ideal
From $787
Compare at $2,253
Save 54.1%IGI | 4.52ct | Emerald | F | VS1 | Ideal
From $798
Compare at $1,739
Save 65.1%IGI | 4.85ct | Emerald | F | VS1 | Ideal
From $803
Compare at $2,300
Entry pricing in this benchmark range starts around $471.
What to Know When Shopping for 4.5 Carat Emerald Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $37,911 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 $2,221 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.
- Emerald cuts show clarity more readily due to their step-cut facets. Consider VS2 or better clarity for this shape.
Frequently Asked Questions
We currently track 1,090 comparable stones in the 4.50–4.99 carat benchmark range. Prices start around $471 and go up to $38,382.
Based on the latest market data, the average asking price is about $3,209 with a median around $2,221.
The observed spread is roughly $37,911 across tracked listings, which is about 98.8% 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 $3,209. The median price is $2,221, 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 14 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 $37,911 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 4.50–4.99 carat Emerald diamond benchmark.