4.8 Carat Heart Lab Grown Diamond Prices Comparison
As of February 2026, 4.8 carat heart lab grown diamonds usually range from $910 to $3,519, with an average price of $1,441.In the last month, prices for these diamonds are down 0.1%.Compare 42 verified listings across 2 retailers tracked by CaratRadar.
4.8 Carat Heart Lab Grown Diamond Market Overview
CaratRadar currently tracks 42 verified 4.8-carat heart lab grown diamonds listed across 2 online retailers. Prices in this segment range from $910 to $3,519, with an average asking price of $1,441 and a median of $1,302.
The price spread of $2,608 (74.1% 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.
42 diamonds tracked in this segment
Price range: $910 to $3,519
Average price: $1,441
Median price: $1,302
Available across 2 retailers
Savings potential: up to 74.1%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
42
$910
$1,441
$1,302
$3,519
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
IGISave 88.4%4.75ct | Heart | E | VVS2 | Excellent
From $1,348
Compare at $11,620
GIASave 83.1%4.75ct | Heart | G | VS2 | Excellent
From $2,936
Compare at $17,410
IGISave 90.8%4.75ct | Heart | E | VS1 | Ideal
From $1,052
Compare at $11,500
IGISave 88.9%4.77ct | Heart | E | VVS2 | Ideal
From $1,299
Compare at $11,650
IGISave 67.2%4.77ct | Heart | F | VS2 | Very Good
From $1,190
Compare at $3,625
IGISave 88.9%4.77ct | Heart | E | VVS2 | Ideal
From $1,299
Compare at $11,650
IGISave 73.4%4.77ct | Heart | E | VVS1 | Excellent
From $3,519
Compare at $13,210
IGISave 85.8%4.77ct | Heart | E | VVS2 | Ideal
From $1,658
Compare at $11,670
IGISave 88.4%4.77ct | Heart | E | VVS2 | Very Good
From $1,353
Compare at $11,670
IGISave 90.9%4.77ct | Heart | E | VS1 | Ideal
From $1,056
Compare at $11,550
IGISave 67.2%4.77ct | Heart | F | VS2 | Ideal
From $1,190
Compare at $3,625
IGISave 89%4.78ct | Heart | E | VVS2 | Ideal
From $1,278
Compare at $11,670
IGISave 88.7%4.79ct | Heart | E | VVS2 | Ideal
From $1,319
Compare at $11,640
IGISave 88.6%4.79ct | Heart | E | VS1 | Very Good
From $1,329
Compare at $11,620
IGISave 84.2%4.79ct | Heart | F | VS2 | Ideal
From $1,304
Compare at $8,280
IGISave 90.9%4.79ct | Heart | E | VVS2 | Ideal
From $1,068
Compare at $11,690
IGISave 90.2%4.79ct | Heart | E | VS1 | Ideal
From $1,134
Compare at $11,550
IGISave 67.6%4.8ct | Heart | F | VS1 | Ideal
From $1,229
Compare at $3,790
IGISave 82.3%4.8ct | Heart | F | VVS2 | Ideal
From $1,838
Compare at $10,380
IGISave 88.5%4.8ct | Heart | E | VS1 | Ideal
From $1,336
Compare at $11,580
4.8ct | Heart | F | VS1 | Ideal
From $1,229
Compare at $3,790
IGISave 67.6%4.8ct | Heart | F | VS1 | Ideal
From $1,229
Compare at $3,790
IGISave 68.3%4.81ct | Heart | E | VS1 | Ideal
From $1,310
Compare at $4,135
IGISave 88.7%4.81ct | Heart | E | VVS2 | Ideal
From $1,335
Compare at $11,780
IGISave 88.8%4.81ct | Heart | D | VVS2 | Excellent
From $1,556
Compare at $13,840
IGISave 90.9%4.81ct | Heart | E | VVS2 | Ideal
From $1,071
Compare at $11,740
GIASave 81.4%4.81ct | Heart | F | VS2 | Excellent
From $2,555
Compare at $13,720
IGISave 88.8%4.81ct | Heart | E | VVS2 | Ideal
From $1,310
Compare at $11,740
IGISave 75.2%4.82ct | Heart | E | VVS2 | Excellent
From $1,312
Compare at $5,300
IGISave 90.7%4.82ct | Heart | E | VVS2 | Ideal
From $1,093
Compare at $11,800
IGISave 66.3%4.82ct | Heart | F | VS1 | Ideal
From $1,281
Compare at $3,805
IGISave 87%4.83ct | Heart | D | VVS2 | Ideal
From $1,793
Compare at $13,820
IGISave 90.7%4.83ct | Heart | E | VVS2 | Ideal
From $1,095
Compare at $11,790
IGISave 88.8%4.83ct | Heart | E | VVS2 | Very Good
From $1,315
Compare at $11,790
IGISave 88.3%4.84ct | Heart | D | VS1 | Ideal
From $1,409
Compare at $12,080
IGISave 69.2%4.84ct | Heart | E | VS2 | Ideal
From $1,208
Compare at $3,920
IGISave 87.1%4.84ct | Heart | G | VS2 | Ideal
From $989
Compare at $7,685
IGISave 75.2%4.84ct | Heart | E | VVS2 | Excellent
From $1,318
Compare at $5,320
IGISave 90.6%4.84ct | Heart | D | VS1 | Ideal
From $1,136
Compare at $12,060
IGISave 77.2%4.84ct | Heart | E | VS1 | Very Good
From $3,117
Compare at $13,700
IGISave 90.6%4.84ct | Heart | F | VS1 | Ideal
From $910
Compare at $9,660
IGISave 66.7%4.84ct | Heart | F | VS2 | Ideal
From $1,223
Compare at $3,675
Entry pricing in this category starts around $910.
What to Know When Shopping for 4.8 Carat Heart Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $2,608 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 $1,302 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 42 comparable stones in this segment. Prices start around $910 and go up to $3,519.
Based on the latest market data, the average asking price is about $1,441 with a median around $1,302.
The observed spread is roughly $2,608 across tracked listings, which is about 74.1% 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 $1,302, 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 2 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 $2,608 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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