4.5 Carat Emerald Lab Grown Diamond Prices Comparison
As of May 2026, 4.5 carat emerald lab grown diamonds usually range from $610 to $27,318, with an average price of $3,824.In the last month, prices for these diamonds are down 6.6%.Compare 290 verified listings across 9 retailers tracked by CaratRadar.
4.5 Carat Emerald Lab Grown Diamond Market Overview
CaratRadar currently tracks 290 verified 4.5-carat emerald lab grown diamonds listed across 9 online retailers. Prices in this segment range from $610 to $27,318, with an average asking price of $3,824 and a median of $2,552.
The price spread of $26,708 (97.8% 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 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.
290 diamonds tracked in this segment
Price range: $610 to $27,318
Average price: $3,824
Median price: $2,552
Available across 9 retailers
Savings potential: up to 97.8%
Price Range Overview
As of May 30, 2026Real market range for this carat, shape, and diamond type.
290
$610
$3,824
$2,552
$27,318
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 70%IGI | 4.5ct | Emerald | H | VS1 | Ideal
From $643
Compare at $2,144
Save 70%IGI | 4.5ct | Emerald | H | VS1 | Ideal
From $643
Compare at $2,144
Save 70.1%IGI | 4.52ct | Emerald | H | VS1 | Ideal
From $645
Compare at $2,154
Save 70.1%IGI | 4.55ct | Emerald | H | VS1 | Ideal
From $649
Compare at $2,168
Save 78.7%IGI | 4.53ct | Emerald | H | VS2 | Ideal
From $700
Compare at $3,280
Save 68.5%IGI | 4.5ct | Emerald | F | VS1 | Very Good
From $739
Compare at $2,344
Save 29.6%IGI | 4.52ct | Emerald | G | VS1 | Very Good
From $741
Compare at $1,053
Save 73.3%IGI | 4.52ct | Emerald | F | VS2 | Very Good
From $741
Compare at $2,771
Save 29.6%IGI | 4.53ct | Emerald | G | VS1 | Very Good
From $743
Compare at $1,055
Save 73.3%IGI | 4.51ct | Emerald | F | VS2 | Ideal
From $777
Compare at $2,908
Save 51.8%IGI | 4.51ct | Emerald | F | VS1 | Very Good
From $779
Compare at $1,616
Save 29.9%IGI | 4.51ct | Emerald | F | VS1 | Very Good
From $779
Compare at $1,112
IGI | 4.59ct | Emerald | F | VS1 | Very Good
From $783
Save 67.3%IGI | 4.55ct | Emerald | F | VS1 | Very Good
From $785
Compare at $2,404
Save 53.5%IGI | 4.52ct | Emerald | E | SI1 | Ideal
From $787
Compare at $1,691
Save 66.7%IGI | 4.51ct | Emerald | F | VS1 | Ideal
From $789
Compare at $2,366
Save 70%IGI | 4.53ct | Emerald | G | VVS2 | Very Good
From $789
Compare at $2,629
Save 30.1%IGI | 4.59ct | Emerald | F | VS1 | Very Good
From $790
Compare at $1,130
Save 66.7%IGI | 4.52ct | Emerald | F | VS1 | Very Good
From $790
Compare at $2,375
Save 58.2%IGI | 4.59ct | Emerald | H | VS2 | Ideal
From $792
Compare at $1,895
Save 61.9%IGI | 4.53ct | Emerald | G | VS2 | Very Good
From $797
Compare at $2,093
Save 65.8%IGI | 4.52ct | Emerald | F | VVS2 | Very Good
From $811
Compare at $2,369
Save 68.7%IGI | 4.5ct | Emerald | G | VVS2 | Very Good
From $816
Compare at $2,604
Save 65.9%IGI | 4.55ct | Emerald | F | VS1 | Very Good
From $824
Compare at $2,413
Save 70.2%IGI | 4.52ct | Emerald | F | VS2 | Very Good
From $828
Compare at $2,782
Save 59.7%IGI | 4.5ct | Emerald | G | VS2 | Excellent
From $836
Compare at $2,076
Save 71.2%IGI | 4.52ct | Emerald | F | VS2 | Very Good
From $839
Compare at $2,914
Save 67.3%IGI | 4.57ct | Emerald | E | VS1 | Very Good
From $858
Compare at $2,627
Save 68.1%IGI | 4.52ct | Emerald | E | VS2 | Very Good
From $858
Compare at $2,693
Save 30.3%IGI | 4.59ct | Emerald | F | VVS2 | Very Good
From $861
Compare at $1,235
Save 30.3%IGI | 4.52ct | Emerald | F | VVS2 | Very Good
From $869
Compare at $1,247
Save 30.3%IGI | 4.53ct | Emerald | F | VVS2 | Very Good
From $871
Compare at $1,249
Save 62.1%IGI | 4.5ct | Emerald | F | VVS2 | Ideal
From $893
Compare at $2,358
Save 62.2%IGI | 4.51ct | Emerald | F | VVS2 | Very Good
From $895
Compare at $2,369
Save 26.9%IGI | 4.55ct | Emerald | E | VS1 | Very Good
From $895
Compare at $1,224
Save 50%IGI | 4.52ct | Emerald | E | SI1 | Ideal
From $898
Compare at $1,795
Save 26.9%IGI | 4.58ct | Emerald | E | VS1 | Very Good
From $900
Compare at $1,232
Save 79.7%IGI | 4.52ct | Emerald | G | VS2 | Ideal
From $904
Compare at $4,450
Save 13.5%IGI | 4.5ct | Emerald | G | VS2 | Good
From $904
Compare at $1,045
Save 74.6%IGI | 4.51ct | Emerald | D | VS1 | Very Good
From $905
Compare at $3,565
Save 13.4%IGI | 4.52ct | Emerald | E | VS2 | Very Good
From $909
Compare at $1,050
Save 65.1%IGI | 4.55ct | Emerald | E | VS1 | Ideal
From $910
Compare at $2,608
Save 74.8%IGI | 4.54ct | Emerald | D | VS1 | Very Good
From $911
Compare at $3,611
Save 64.6%IGI | 4.52ct | Emerald | E | VS1 | Ideal
From $917
Compare at $2,588
Save 64.6%IGI | 4.52ct | Emerald | E | VS1 | Very Good
From $917
Compare at $2,588
Save 74.5%IGI | 4.53ct | Emerald | D | VS1 | Very Good
From $919
Compare at $3,598
Save 64.6%IGI | 4.53ct | Emerald | E | VS1 | Very Good
From $919
Compare at $2,599
Save 27.2%IGI | 4.59ct | Emerald | D | VS1 | Very Good
From $926
Compare at $1,273
Save 74.2%IGI | 4.53ct | Emerald | D | VS1 | Very Good
From $928
Compare at $3,601
Save 79.6%IGI | 4.57ct | Emerald | G | VS1 | Ideal
From $929
Compare at $4,560
Entry pricing in this category starts around $610.
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 $26,708 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 $2,552 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 290 comparable stones in this segment. Prices start around $610 and go up to $27,318.
Based on the latest market data, the average asking price is about $3,824 with a median around $2,552.
The observed spread is roughly $26,708 across tracked listings, which is about 97.8% 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 $3,824. The median price is $2,552, 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 $26,708 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 4.5 carat Emerald diamonds.