5.1 Carat Heart Lab Grown Diamond Prices Comparison
As of February 2026, 5.1 carat heart lab grown diamonds usually range from $1,063 to $24,520, with an average price of $1,947.In the last month, prices for these diamonds are down 2.6%.Compare 728 verified listings across 8 retailers tracked by CaratRadar.
5.1 Carat Heart Lab Grown Diamond Market Overview
CaratRadar currently tracks 728 verified 5.1-carat heart lab grown diamonds listed across 8 online retailers. Prices in this segment range from $1,063 to $24,520, with an average asking price of $1,947 and a median of $1,640.
The price spread of $23,457 (95.7% 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.
728 diamonds tracked in this segment
Price range: $1,063 to $24,520
Average price: $1,947
Median price: $1,640
Available across 8 retailers
Savings potential: up to 95.7%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
728
$1,063
$1,947
$1,640
$24,520
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 86.5%5.05ct | Heart | E | VVS2 | Excellent
From $1,694
Compare at $12,540
5.05ct | Heart | F | VVS2 | Very Good
From $1,739
Compare at $11,370
IGISave 61%5.05ct | Heart | G | VVS2 | Ideal
From $1,429
Compare at $3,668
IGISave 19.2%5.05ct | Heart | D | VVS2 | Very Good
From $1,776
Compare at $2,198
IGISave 77.4%5.05ct | Heart | G | VS1 | Excellent
From $1,608
Compare at $7,110
IGISave 63%5.05ct | Heart | F | SI1 | Ideal
From $1,063
Compare at $2,874
IGISave 54.3%5.05ct | Heart | E | VS1 | Ideal
From $3,454
Compare at $7,560
IGISave 50.4%5.05ct | Heart | E | VS2 | Very Good
From $3,055
Compare at $6,160
IGISave 60.9%5.05ct | Heart | E | VVS2 | Very Good
From $1,399
Compare at $3,576
IGISave 46.9%5.05ct | Heart | E | VVS2 | Ideal
From $2,893
Compare at $5,443
IGISave 86.2%5.05ct | Heart | F | VS1 | Ideal
From $1,431
Compare at $10,340
IGISave 86.7%5.05ct | Heart | D | VVS2 | Very Good
From $1,979
Compare at $14,870
IGISave 87%5.05ct | Heart | E | VS1 | Ideal
From $1,634
Compare at $12,540
IGISave 77.1%5.05ct | Heart | D | VS1 | Ideal
From $2,116
Compare at $9,250
IGISave 60.9%5.05ct | Heart | E | VVS2 | Excellent
From $1,572
Compare at $4,017
IGISave 83.6%5.05ct | Heart | E | VVS2 | Excellent
From $1,217
Compare at $7,400
IGISave 83.2%5.05ct | Heart | E | VVS2 | Ideal
From $1,225
Compare at $7,280
IGISave 83.6%5.05ct | Heart | E | VVS2 | Excellent
From $1,225
Compare at $7,460
IGISave 83.1%5.05ct | Heart | E | VVS2 | Excellent
From $1,217
Compare at $7,210
IGISave 83.1%5.05ct | Heart | E | VVS2 | Excellent
From $1,217
Compare at $7,210
IGISave 83.1%5.05ct | Heart | E | VVS2 | Ideal
From $1,217
Compare at $7,210
IGISave 83.6%5.05ct | Heart | E | VVS2 | Ideal
From $1,225
Compare at $7,460
IGISave 83.6%5.05ct | Heart | E | VVS2 | Ideal
From $1,217
Compare at $7,400
IGISave 62.2%5.05ct | Heart | E | VVS2 | Very Good
From $1,603
Compare at $4,243
IGISave 42.5%5.05ct | Heart | E | VVS2 | Ideal
From $1,388
Compare at $2,413
IGISave 58.6%5.05ct | Heart | D | VVS2 | Ideal
From $1,827
Compare at $4,413
IGISave 71.5%5.05ct | Heart | D | VVS2 | Ideal
From $2,517
Compare at $8,820
IGISave 86.7%5.05ct | Heart | E | VS1 | Ideal
From $1,338
Compare at $10,030
5.05ct | Heart | E | VS1 | Ideal
From $1,754
Compare at $2,157
IGISave 53.2%5.05ct | Heart | E | VS1 | Very Good
From $1,527
Compare at $3,265
IGISave 79.7%5.05ct | Heart | E | VS1 | Ideal
From $2,558
Compare at $12,590
IGISave 83.1%5.05ct | Heart | E | VS1 | Ideal
From $2,112
Compare at $12,490
IGISave 89.3%5.05ct | Heart | E | VVS2 | Very Good
From $1,338
Compare at $12,540
IGISave 87.4%5.05ct | Heart | E | VVS2 | Excellent
From $1,572
Compare at $12,520
IGISave 81.8%5.05ct | Heart | E | VVS1 | Ideal
From $3,003
Compare at $16,520
IGISave 76.5%5.05ct | Heart | E | VVS2 | Ideal
From $1,754
Compare at $7,460
IGISave 83.6%5.05ct | Heart | E | VVS2 | Excellent
From $1,217
Compare at $7,400
IGISave 73.1%5.05ct | Heart | E | VVS1 | Ideal
From $4,452
Compare at $16,520
IGISave 69.4%5.05ct | Heart | E | VVS2 | Ideal
From $1,458
Compare at $4,765
IGISave 83.1%5.05ct | Heart | E | VVS2 | Ideal
From $1,217
Compare at $7,210
IGISave 75.9%5.05ct | Heart | E | VVS2 | Ideal
From $1,739
Compare at $7,210
IGISave 86.8%5.05ct | Heart | G | VVS2 | Excellent
From $1,328
Compare at $10,080
IGISave 85.8%5.05ct | Heart | D | VVS2 | Ideal
From $2,116
Compare at $14,900
IGISave 83.1%5.05ct | Heart | E | VS1 | Ideal
From $1,233
Compare at $7,280
IGISave 52.1%5.05ct | Heart | E | VS1 | Very Good
From $1,844
Compare at $3,852
IGISave 87.8%5.05ct | Heart | D | VVS2 | Very Good
From $2,227
Compare at $18,230
IGISave 87.5%5.05ct | Heart | E | VS1 | Ideal
From $1,576
Compare at $12,580
IGISave 20.9%5.05ct | Heart | D | VS1 | Very Good
From $1,470
Compare at $1,859
IGISave 62.3%5.05ct | Heart | E | VS1 | Very Good
From $1,634
Compare at $4,332
IGISave 64.1%5.05ct | Heart | F | VVS2 | Ideal
From $4,061
Compare at $11,320
Entry pricing in this category starts around $1,063.
What to Know When Shopping for 5.1 Carat Heart Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $23,457 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 $1,640 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 728 comparable stones in this segment. Prices start around $1,063 and go up to $24,520.
Based on the latest market data, the average asking price is about $1,947 with a median around $1,640.
The observed spread is roughly $23,457 across tracked listings, which is about 95.7% 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 $1,640, 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 8 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 $23,457 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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