4.5 Carat Heart Lab Grown Diamond Prices Comparison
As of April 2026, 4.5 carat heart lab grown diamonds usually range from $795 to $24,020, with an average price of $3,948.In the last month, prices for these diamonds are up 0.3%.Compare 134 verified listings across 6 retailers tracked by CaratRadar.
4.5 Carat Heart Lab Grown Diamond Market Overview
CaratRadar currently tracks 134 verified 4.5-carat heart lab grown diamonds listed across 6 online retailers. Prices in this segment range from $795 to $24,020, with an average asking price of $3,948 and a median of $2,798.
The price spread of $23,225 (96.7% 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.
134 diamonds tracked in this segment
Price range: $795 to $24,020
Average price: $3,948
Median price: $2,798
Available across 6 retailers
Savings potential: up to 96.7%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
134
$795
$3,948
$2,799
$24,020
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 62.8%IGI | 4.5ct | Heart | E | VVS2 | Excellent
From $4,786
Compare at $12,866
Save 85%IGI | 4.5ct | Heart | E | SI1 | Ideal
From $1,094
Compare at $7,290
Save 76.1%IGI | 4.5ct | Heart | E | VS1 | Excellent
From $1,869
Compare at $7,810
Save 72.1%IGI | 4.5ct | Heart | E | VS1 | Very Good
From $2,532
Compare at $9,060
Save 80.2%IGI | 4.5ct | Heart | E | VS1 | Very Good
From $1,718
Compare at $8,657
Save 80.2%IGI | 4.5ct | Heart | E | VS1 | Very Good
From $1,718
Compare at $8,657
Save 76.1%IGI | 4.5ct | Heart | D | VS1 | Ideal
From $1,671
Compare at $7,000
Save 85.4%IGI | 4.5ct | Heart | G | VS2 | Excellent
From $1,041
Compare at $7,130
Save 76.1%IGI | 4.5ct | Heart | E | VVS2 | Ideal
From $1,618
Compare at $6,780
Save 24.8%IGI | 4.5ct | Heart | E | VVS2 | Very Good
From $1,350
Compare at $1,795
Save 76.2%IGI | 4.5ct | Heart | F | VS1 | Ideal
From $1,524
Compare at $6,400
Save 87.5%IGI | 4.5ct | Heart | D | VVS2 | Ideal
From $1,618
Compare at $12,940
Save 74.3%IGI | 4.5ct | Heart | E | VVS2 | Excellent
From $1,226
Compare at $4,770
Save 74%IGI | 4.5ct | Heart | F | VS1 | Ideal
From $1,461
Compare at $5,610
Save 69.9%IGI | 4.5ct | Heart | F | VS1 | Ideal
From $1,922
Compare at $6,380
Save 75.5%IGI | 4.5ct | Heart | F | VVS2 | Ideal
From $1,433
Compare at $5,850
Save 85.5%IGI | 4.5ct | Heart | E | VVS2 | Excellent
From $1,591
Compare at $11,000
Save 74.4%IGI | 4.5ct | Heart | E | VVS2 | Excellent
From $2,465
Compare at $9,620
Save 86.8%IGI | 4.5ct | Heart | E | VVS2 | Very Good
From $1,457
Compare at $11,000
Save 67.5%IGI | 4.51ct | Heart | F | VS2 | Ideal
From $1,694
Compare at $5,220
Save 40.4%IGI | 4.51ct | Heart | F | VS2 | Very Good
From $1,406
Compare at $2,358
Save 79.4%IGI | 4.51ct | Heart | F | VVS2 | Excellent
From $2,245
Compare at $10,920
Save 79.4%IGI | 4.51ct | Heart | E | VS1 | Excellent
From $2,270
Compare at $11,040
Save 42.7%IGI | 4.51ct | Heart | D | VVS2 | Excellent
From $3,126
Compare at $5,455
Save 74.4%IGI | 4.51ct | Heart | E | VVS2 | Ideal
From $2,470
Compare at $9,640
Save 74.3%IGI | 4.51ct | Heart | D | VS1 | Excellent
From $2,786
Compare at $10,820
Save 71.5%IGI | 4.51ct | Heart | D | VVS2 | Very Good
From $1,554
Compare at $5,455
Save 42%IGI | 4.51ct | Heart | E | VVS2 | Ideal
From $1,501
Compare at $2,587
Save 79.9%IGI | 4.51ct | Heart | F | VVS2 | Ideal
From $1,460
Compare at $7,250
Save 21.4%IGI | 4.51ct | Heart | F | VS1 | Very Good
From $1,460
Compare at $1,857
Save 85.4%IGI | 4.51ct | Heart | D | VS1 | Ideal
From $1,648
Compare at $11,260
Save 82.8%IGI | 4.51ct | Heart | D | VVS2 | Very Good
From $2,232
Compare at $12,990
Save 85.5%IGI | 4.51ct | Heart | D | VS1 | Ideal
From $1,635
Compare at $11,260
Save 77.3%IGI | 4.51ct | Heart | E | VVS2 | Ideal
From $1,894
Compare at $8,330
Save 77.9%IGI | 4.51ct | Heart | F | VVS2 | Excellent
From $1,256
Compare at $5,680
Save 74.5%IGI | 4.51ct | Heart | F | VS2 | Ideal
From $1,243
Compare at $4,870
Save 79.8%IGI | 4.51ct | Heart | F | VVS2 | Excellent
From $1,554
Compare at $7,710
Save 85.4%IGI | 4.51ct | Heart | D | VS1 | Excellent
From $1,648
Compare at $11,260
Save 83.7%IGI | 4.51ct | Heart | D | VS2 | Excellent
From $1,554
Compare at $9,560
Save 86.3%IGI | 4.51ct | Heart | E | VVS2 | Ideal
From $1,514
Compare at $11,020
Save 77.3%IGI | 4.51ct | Heart | D | IF | Very Good
From $13,385
Compare at $58,876
Save 60.1%IGI | 4.51ct | Heart | D | VVS2 | Ideal
From $1,703
Compare at $4,273
Save 84.8%IGI | 4.51ct | Heart | E | VVS2 | Ideal
From $1,677
Compare at $11,030
Save 45.9%GIA | 4.52ct | Heart | E | VVS2 | Very Good
From $4,737
Compare at $8,764
Save 65.6%GIA | 4.52ct | Heart | I | VVS2 | Ideal
From $5,730
Compare at $16,680
Save 69.7%IGI | 4.52ct | Heart | F | VS1 | Ideal
From $1,827
Compare at $6,030
Save 74.4%IGI | 4.52ct | Heart | E | VVS2 | Excellent
From $2,475
Compare at $9,660
Save 78.8%IGI | 4.52ct | Heart | E | VS2 | Very Good
From $1,854
Compare at $8,750
Save 76%IGI | 4.52ct | Heart | E | VVS2 | Ideal
From $1,881
Compare at $7,850
Save 76.3%IGI | 4.52ct | Heart | F | VS1 | Ideal
From $1,245
Compare at $5,260
Entry pricing in this category starts around $795.
What to Know When Shopping for 4.5 Carat Heart Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $23,225 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 $2,798 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.
- Heart-shaped diamonds require excellent symmetry to look balanced. Aim for carat weights above 0.5 where the shape is clearly visible.
Frequently Asked Questions
We currently track 134 comparable stones in this segment. Prices start around $795 and go up to $24,020.
Based on the latest market data, the average asking price is about $3,948 with a median around $2,798.
The observed spread is roughly $23,225 across tracked listings, which is about 96.7% 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 $2,798, 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 6 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 $23,225 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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