4.8 Carat Heart Lab Grown Diamond Prices Comparison
As of April 2026, 4.8 carat heart lab grown diamonds usually range from $885 to $37,637, with an average price of $4,822.In the last month, prices for these diamonds are up 1.1%.Compare 36 verified listings across 3 retailers tracked by CaratRadar.
4.8 Carat Heart Lab Grown Diamond Market Overview
CaratRadar currently tracks 36 verified 4.8-carat heart lab grown diamonds listed across 3 online retailers. Prices in this segment range from $885 to $37,637, with an average asking price of $4,822 and a median of $3,209.
The price spread of $36,752 (97.6% 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.
36 diamonds tracked in this segment
Price range: $885 to $37,637
Average price: $4,822
Median price: $3,209
Available across 3 retailers
Savings potential: up to 97.6%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
36
$885
$4,822
$3,209
$37,637
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 73.6%IGI | 4.8ct | Heart | F | VVS2 | Ideal
From $2,777
Compare at $10,530
Save 89%IGI | 4.8ct | Heart | E | VS1 | Ideal
From $1,277
Compare at $11,580
Save 72.5%GIA | 4.81ct | Heart | F | VS2 | Excellent
From $3,775
Compare at $13,720
Save 69.5%IGI | 4.81ct | Heart | E | VS1 | Ideal
From $1,263
Compare at $4,135
Save 62.2%IGI | 4.81ct | Heart | E | VVS2 | Ideal
From $1,660
Compare at $4,393
Save 86.4%IGI | 4.81ct | Heart | D | VVS2 | Excellent
From $1,884
Compare at $13,840
Save 76.3%IGI | 4.81ct | Heart | E | VVS2 | Ideal
From $1,255
Compare at $5,290
Save 76.3%IGI | 4.81ct | Heart | E | VVS2 | Ideal
From $1,255
Compare at $5,290
Save 76.6%IGI | 4.82ct | Heart | E | VVS2 | Ideal
From $1,238
Compare at $5,300
Save 76.6%IGI | 4.82ct | Heart | E | VVS2 | Excellent
From $1,238
Compare at $5,300
Save 76.6%IGI | 4.83ct | Heart | E | VVS2 | Very Good
From $1,241
Compare at $5,310
Save 76.6%IGI | 4.83ct | Heart | E | VVS2 | Ideal
From $1,241
Compare at $5,310
Save 72.4%IGI | 4.84ct | Heart | E | VS1 | Very Good
From $3,785
Compare at $13,700
Save 85.4%IGI | 4.84ct | Heart | D | VS1 | Ideal
From $1,768
Compare at $12,080
Save 87.1%IGI | 4.84ct | Heart | F | VS1 | Ideal
From $1,243
Compare at $9,660
Save 76.6%IGI | 4.84ct | Heart | E | VVS2 | Excellent
From $1,243
Compare at $5,320
Save 89.6%IGI | 4.84ct | Heart | D | VS1 | Ideal
From $1,258
Compare at $12,060
Save 84.2%IGI | 4.85ct | Heart | E | VS1 | Excellent
From $1,005
Compare at $6,350
Save 75.8%IGI | 4.85ct | Heart | E | VVS2 | Excellent
From $1,246
Compare at $5,140
Save 75.9%IGI | 4.85ct | Heart | D | VVS2 | Excellent
From $1,642
Compare at $6,810
Save 30.6%IGI | 4.85ct | Heart | E | VVS2 | Very Good
From $1,261
Compare at $1,816
Save 69.1%IGI | 4.86ct | Heart | E | VS1 | Excellent
From $1,292
Compare at $4,175
Save 89.5%IGI | 4.86ct | Heart | E | VVS2 | Excellent
From $1,249
Compare at $11,860
Save 21.8%IGI | 4.87ct | Heart | E | VVS2 | Very Good
From $1,463
Compare at $1,871
Save 76.4%IGI | 4.87ct | Heart | E | VVS2 | Excellent
From $1,266
Compare at $5,355
Save 89.5%IGI | 4.87ct | Heart | E | VVS2 | Ideal
From $1,251
Compare at $11,890
Save 49.6%IGI | 4.88ct | Heart | D | IF | Very Good
From $13,091
Compare at $25,970
Save 89.5%IGI | 4.89ct | Heart | E | VS1 | Ideal
From $1,241
Compare at $11,800
Save 87.1%IGI | 4.89ct | Heart | F | VS1 | Ideal
From $1,256
Compare at $9,760
IGI | 4.89ct | Heart | F | VVS2 | Very Good
From $2,950
Compare at $2,950
Save 85.4%IGI | 4.89ct | Heart | F | VVS2 | Ideal
From $1,553
Compare at $10,660
Save 30.6%IGI | 4.89ct | Heart | E | VVS2 | Excellent
From $1,271
Compare at $1,831
Save 78.4%IGI | 4.9ct | Heart | E | VVS2 | Ideal
From $2,571
Compare at $11,910
Save 85.9%IGI | 4.9ct | Heart | D | VS1 | Ideal
From $1,731
Compare at $12,250
Save 89.2%IGI | 4.9ct | Heart | E | VS1 | Excellent
From $1,286
Compare at $11,860
Save 41.9%IGI | 4.9ct | Heart | E | VVS2 | Ideal
From $1,586
Compare at $2,729
Entry pricing in this category starts around $885.
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 $36,752 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 $3,209 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 36 comparable stones in this segment. Prices start around $885 and go up to $37,637.
Based on the latest market data, the average asking price is about $4,822 with a median around $3,209.
The observed spread is roughly $36,752 across tracked listings, which is about 97.6% 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 $3,209, 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 3 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 $36,752 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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