6.5 Carat Princess Lab Grown Diamond Prices Comparison
As of April 2026, 6.5 carat princess lab grown diamonds usually range from $1,150 to $26,251, with an average price of $6,000.In the last month, prices for these diamonds are up 0.9%.Compare 33 verified listings across 4 retailers tracked by CaratRadar.
6.5 Carat Princess Lab Grown Diamond Market Overview
CaratRadar currently tracks 33 verified 6.5-carat princess lab grown diamonds listed across 4 online retailers. Prices in this segment range from $1,150 to $26,250, with an average asking price of $6,000 and a median of $4,242.
The price spread of $25,100 (95.6% 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.
33 diamonds tracked in this segment
Price range: $1,150 to $26,250
Average price: $6,000
Median price: $4,242
Available across 4 retailers
Savings potential: up to 95.6%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
33
$1,150
$6,000
$4,243
$26,251
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 66.2%GIA | 6.5ct | Princess | E | VS1 | Excellent
From $8,426
Compare at $24,950
Save 77.9%IGI | 6.5ct | Princess | G | VS1 | Ideal
From $2,196
Compare at $9,950
Save 69%IGI | 6.5ct | Princess | G | VS1 | Ideal
From $2,227
Compare at $7,180
Save 66.8%IGI | 6.5ct | Princess | G | VS1 | Ideal
From $2,227
Compare at $6,700
Save 77.9%IGI | 6.5ct | Princess | F | VS1 | Ideal
From $1,845
Compare at $8,350
Save 84.2%IGI | 6.5ct | Princess | E | VS2 | Very Good
From $2,182
Compare at $13,780
Save 71.3%IGI | 6.51ct | Princess | G | VS1 | Ideal
From $2,883
Compare at $10,060
Save 87.7%IGI | 6.51ct | Princess | E | VVS2 | Ideal
From $2,038
Compare at $16,550
Save 69%IGI | 6.51ct | Princess | F | VS1 | Ideal
From $1,591
Compare at $5,140
Save 82.6%IGI | 6.51ct | Princess | D | VS1 | Ideal
From $2,927
Compare at $16,800
Save 71.7%IGI | 6.52ct | Princess | F | VS1 | Ideal
From $2,511
Compare at $8,880
Save 76.7%IGI | 6.52ct | Princess | F | VS1 | Ideal
From $3,228
Compare at $13,860
Save 85.1%IGI | 6.52ct | Princess | F | VVS2 | Ideal
From $2,225
Compare at $14,930
Save 44.6%IGI | 6.53ct | Princess | E | VS1 | Ideal
From $1,835
Compare at $3,314
Save 12.4%IGI | 6.53ct | Princess | D | VVS2 | Very Good
From $17,031
Compare at $19,450
Save 68.1%GCAL | 6.54ct | Princess | E | VVS2 | Excellent
From $8,892
Compare at $27,840
Save 71.4%IGI | 6.54ct | Princess | G | VS1 | Ideal
From $2,896
Compare at $10,110
Save 80.8%IGI | 6.54ct | Princess | F | VVS2 | Ideal
From $3,289
Compare at $17,120
Save 87.7%IGI | 6.54ct | Princess | E | VS1 | Excellent
From $2,052
Compare at $16,660
Save 89.6%IGI | 6.54ct | Princess | E | VVS2 | Ideal
From $1,724
Compare at $16,600
Save 76.7%IGI | 6.54ct | Princess | E | VVS2 | Ideal
From $1,675
Compare at $7,190
Save 71.4%IGI | 6.55ct | Princess | G | VS1 | Ideal
From $2,901
Compare at $10,130
Save 71.4%IGI | 6.55ct | Princess | G | VS1 | Ideal
From $2,901
Compare at $10,130
Save 81.5%IGI | 6.55ct | Princess | F | VS1 | Ideal
From $2,511
Compare at $13,600
IGI | 6.55ct | Princess | F | VS1 | Ideal
From $1,831
Compare at $7,810
Save 78.3%IGI | 6.56ct | Princess | F | VVS2 | Excellent
From $4,332
Compare at $19,928
Save 71.4%IGI | 6.57ct | Princess | G | VS1 | Ideal
From $2,909
Compare at $10,160
Save 84.2%IGI | 6.57ct | Princess | G | VVS2 | Excellent
From $2,057
Compare at $13,050
Save 75.3%IGI | 6.57ct | Princess | E | VVS2 | Excellent
From $4,061
Compare at $16,410
Save 76.1%IGI | 6.58ct | Princess | G | VVS2 | Very Good
From $1,695
Compare at $7,100
Save 73.1%IGI | 6.58ct | Princess | H | VVS1 | Ideal
From $3,280
Compare at $12,210
Save 75.3%IGI | 6.58ct | Princess | D | VVS2 | Ideal
From $5,843
Compare at $23,650
Save 75.7%IGI | 6.59ct | Princess | G | VVS2 | Ideal
From $3,161
Compare at $13,010
Entry pricing in this category starts around $1,150.
What to Know When Shopping for 6.5 Carat Princess Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $25,100 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 $4,242 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.
- Princess-cut diamonds are prone to chipping at the corners. Look for protective prong settings and avoid stones with visible inclusions near the edges.
Frequently Asked Questions
We currently track 33 comparable stones in this segment. Prices start around $1,150 and go up to $26,250.
Based on the latest market data, the average asking price is about $6,000 with a median around $4,242.
The observed spread is roughly $25,100 across tracked listings, which is about 95.6% 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 $4,242, 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 $25,100 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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