6.5 Carat Heart Lab Grown Diamond Prices Comparison
As of February 2026, 6.5 carat heart lab grown diamonds usually range from $1,664 to $6,355, with an average price of $2,721.In the last month, prices for these diamonds are down 2.8%.Compare 29 verified listings across 3 retailers tracked by CaratRadar.
6.5 Carat Heart Lab Grown Diamond Market Overview
CaratRadar currently tracks 29 verified 6.5-carat heart lab grown diamonds listed across 3 online retailers. Prices in this segment range from $1,664 to $6,355, with an average asking price of $2,721 and a median of $2,412.
The price spread of $4,690 (73.8% 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.
29 diamonds tracked in this segment
Price range: $1,664 to $6,355
Average price: $2,721
Median price: $2,412
Available across 3 retailers
Savings potential: up to 73.8%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
29
$1,664
$2,721
$2,412
$6,355
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 26.7%6.47ct | Heart | E | VVS2 | Excellent
From $1,909
Compare at $2,605
IGISave 83%6.5ct | Heart | F | VS2 | Ideal
From $2,745
Compare at $16,170
IGISave 65.3%6.5ct | Heart | E | VVS1 | Ideal
From $6,355
Compare at $18,330
6.5ct | Heart | F | VVS2 | Ideal
From $1,791
Compare at $14,730
6.5ct | Heart | G | VS1 | Excellent
From $3,907
Compare at $16,460
IGISave 87.8%6.5ct | Heart | F | VVS2 | Ideal
From $1,791
Compare at $14,730
IGISave 87.9%6.5ct | Heart | E | VVS2 | Ideal
From $1,965
Compare at $16,210
6.5ct | Heart | E | VVS1 | Excellent
From $4,650
Compare at $18,330
IGISave 84%6.5ct | Heart | D | VS1 | Ideal
From $2,712
Compare at $16,910
IGISave 87.6%6.5ct | Heart | F | VVS2 | Excellent
From $1,830
Compare at $14,730
6.51ct | Heart | E | VS1 | Ideal
From $2,496
Compare at $12,430
IGISave 74%6.51ct | Heart | E | VS1 | Ideal
From $3,321
Compare at $12,770
IGISave 17.9%6.51ct | Heart | D | VS1 | Ideal
From $2,122
Compare at $2,584
IGISave 74.1%6.51ct | Heart | E | VVS1 | Excellent
From $4,752
Compare at $18,360
IGISave 59.6%6.51ct | Heart | E | VVS2 | Ideal
From $1,889
Compare at $4,675
IGISave 28.9%6.51ct | Heart | E | VVS2 | Ideal
From $1,921
Compare at $2,704
IGISave 86.2%6.51ct | Heart | G | VVS2 | Excellent
From $1,806
Compare at $13,080
IGISave 84%6.51ct | Heart | D | VS1 | Ideal
From $2,716
Compare at $16,940
6.52ct | Heart | H | VS1 | Ideal
From $2,537
Compare at $9,680
IGISave 18.6%6.52ct | Heart | E | VS2 | Very Good
From $1,677
Compare at $2,060
6.52ct | Heart | E | VS2 | Ideal
From $1,664
Compare at $12,970
IGISave 73.9%6.52ct | Heart | E | VS1 | Ideal
From $3,436
Compare at $13,140
IGISave 82%6.52ct | Heart | F | VS1 | Ideal
From $2,412
Compare at $13,410
IGISave 81.9%6.52ct | Heart | E | VVS2 | Ideal
From $3,266
Compare at $18,050
6.53ct | Heart | F | VVS2 | Ideal
From $1,798
Compare at $14,800
IGISave 48.6%6.53ct | Heart | E | VVS2 | Very Good
From $2,247
Compare at $4,370
IGISave 75.9%6.53ct | Heart | E | VVS1 | Ideal
From $4,444
Compare at $18,410
IGISave 86.3%6.53ct | Heart | D | VS1 | Excellent
From $2,289
Compare at $16,750
IGISave 19.3%6.53ct | Heart | E | VS1 | Very Good
From $2,457
Compare at $3,043
Entry pricing in this category starts around $1,664.
What to Know When Shopping for 6.5 Carat Heart Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $4,690 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 $2,412 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 29 comparable stones in this segment. Prices start around $1,664 and go up to $6,355.
Based on the latest market data, the average asking price is about $2,721 with a median around $2,412.
The observed spread is roughly $4,690 across tracked listings, which is about 73.8% 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 $2,412, 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 $4,690 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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