6.5 Carat Heart Lab Grown Diamond Prices Comparison
As of April 2026, 6.5 carat heart lab grown diamonds usually range from $1,290 to $62,767, with an average price of $6,629.In the last month, prices for these diamonds are down 3.7%.Compare 45 verified listings across 4 retailers tracked by CaratRadar.
6.5 Carat Heart Lab Grown Diamond Market Overview
CaratRadar currently tracks 45 verified 6.5-carat heart lab grown diamonds listed across 4 online retailers. Prices in this segment range from $1,290 to $62,767, with an average asking price of $6,629 and a median of $4,546.
The price spread of $61,477 (97.9% 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.
45 diamonds tracked in this segment
Price range: $1,290 to $62,767
Average price: $6,629
Median price: $4,546
Available across 4 retailers
Savings potential: up to 97.9%
Price Range Overview
As of Apr 15, 2026Real market range for this carat, shape, and diamond type.
45
$1,290
$6,629
$4,546
$62,767
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 66.1%GIA | 6.5ct | Heart | G | VS1 | Excellent
From $3,907
Compare at $11,510
Save 76.3%IGI | 6.5ct | Heart | F | VS2 | Ideal
From $2,745
Compare at $11,600
Save 84.9%IGI | 6.5ct | Heart | F | VVS2 | Ideal
From $2,219
Compare at $14,730
Save 74.7%IGI | 6.5ct | Heart | E | VVS1 | Excellent
From $4,643
Compare at $18,330
Save 75.8%IGI | 6.5ct | Heart | D | VS1 | Ideal
From $3,611
Compare at $14,900
Save 85.1%IGI | 6.5ct | Heart | F | VVS2 | Excellent
From $2,200
Compare at $14,720
Save 71.1%IGI | 6.5ct | Heart | E | VVS1 | Ideal
From $5,290
Compare at $18,330
Save 84.9%IGI | 6.5ct | Heart | F | VVS2 | Ideal
From $2,219
Compare at $14,730
Save 86.3%IGI | 6.5ct | Heart | E | VVS2 | Ideal
From $2,227
Compare at $16,210
Save 56.6%IGI | 6.5ct | Heart | E | VVS2 | Very Good
From $2,212
Compare at $5,095
Save 78.9%IGI | 6.51ct | Heart | E | VS1 | Ideal
From $2,496
Compare at $11,850
Save 80.9%IGI | 6.51ct | Heart | G | VS1 | Ideal
From $2,207
Compare at $11,560
Save 73.5%IGI | 6.51ct | Heart | E | VS1 | Ideal
From $3,260
Compare at $12,300
Save 85.3%IGI | 6.51ct | Heart | D | VS1 | Ideal
From $2,460
Compare at $16,750
Save 75.8%IGI | 6.51ct | Heart | D | VS1 | Ideal
From $3,616
Compare at $14,930
Save 86.3%IGI | 6.51ct | Heart | E | VVS2 | Ideal
From $2,230
Compare at $16,240
Save 83.1%IGI | 6.51ct | Heart | G | VVS2 | Excellent
From $2,204
Compare at $13,070
Save 74.4%IGI | 6.51ct | Heart | E | VVS1 | Excellent
From $4,698
Compare at $18,360
Save 86.8%IGI | 6.51ct | Heart | E | VS1 | Ideal
From $2,167
Compare at $16,430
Save 71.3%IGI | 6.51ct | Heart | E | VS1 | Very Good
From $3,277
Compare at $11,430
Save 86.5%IGI | 6.51ct | Heart | E | VS1 | Ideal
From $2,222
Compare at $16,440
Save 84.3%IGI | 6.52ct | Heart | E | VS2 | Ideal
From $2,041
Compare at $12,970
Save 72.8%IGI | 6.52ct | Heart | H | VS1 | Ideal
From $2,629
Compare at $9,680
Save 73.6%IGI | 6.52ct | Heart | E | VVS2 | Ideal
From $4,758
Compare at $18,050
Save 73.1%IGI | 6.52ct | Heart | F | VS1 | Ideal
From $3,606
Compare at $13,410
Save 83.1%IGI | 6.52ct | Heart | G | VVS2 | Ideal
From $2,207
Compare at $13,090
Save 41%IGI | 6.53ct | Heart | E | VS1 | Very Good
From $3,043
Compare at $5,158
Save 84.9%IGI | 6.53ct | Heart | F | VVS2 | Ideal
From $2,229
Compare at $14,800
Save 74.2%IGI | 6.53ct | Heart | E | VVS1 | Ideal
From $4,757
Compare at $18,410
Save 86.5%IGI | 6.53ct | Heart | E | VVS2 | Very Good
From $2,201
Compare at $16,310
Save 41.3%IGI | 6.54ct | Heart | FANCY | VVS2 | Very Good
From $5,488
Compare at $9,349
Save 62.5%GIA | 6.55ct | Heart | F | VS1 | Excellent
From $5,066
Compare at $13,520
Save 79.6%IGI | 6.55ct | Heart | G | VVS2 | Ideal
From $2,689
Compare at $13,180
Save 65.2%IGI | 6.55ct | Heart | G | VS1 | Ideal
From $2,079
Compare at $5,982
Save 75.3%IGI | 6.55ct | Heart | F | VS2 | Excellent
From $3,672
Compare at $14,880
Save 84.9%IGI | 6.56ct | Heart | F | VVS2 | Ideal
From $2,247
Compare at $14,880
Save 76%IGI | 6.56ct | Heart | E | VS1 | Excellent
From $5,407
Compare at $22,550
Save 85.1%IGI | 6.56ct | Heart | F | VVS2 | Excellent
From $2,220
Compare at $14,860
IGI | 6.57ct | Heart | FANCY | VS1 | Very Good
From $5,513
Compare at $9,392
Save 36.7%IGI | 6.58ct | Heart | D | IF | Ideal
From $34,335
Compare at $54,236
Save 76.3%IGI | 6.58ct | Heart | F | VS2 | Ideal
From $2,786
Compare at $11,740
Save 86.5%IGI | 6.58ct | Heart | E | VVS2 | Ideal
From $2,218
Compare at $16,410
Save 83.1%IGI | 6.58ct | Heart | G | VVS2 | Ideal
From $2,227
Compare at $13,210
Save 82.1%IGI | 6.59ct | Heart | G | VS1 | Very Good
From $2,100
Compare at $11,710
Save 44.2%IGI | 6.59ct | Heart | D | VS1 | Ideal
From $2,268
Compare at $4,066
Entry pricing in this category starts around $1,290.
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 $61,477 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 $4,546 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 45 comparable stones in this segment. Prices start around $1,290 and go up to $62,767.
Based on the latest market data, the average asking price is about $6,629 with a median around $4,546.
The observed spread is roughly $61,477 across tracked listings, which is about 97.9% 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 $4,546, 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 4 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 $61,477 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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Tracking Lab Grown inventory for 6.5 carat Heart diamonds.