Cushion|Lab Grown|IGI

6.61ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG835628248

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG835628248

Diamond specifications and retailer prices

From $1,638 USD
As of November 1, 2026
Save $4,089 USD (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,727 USD at With Clarity · As of November 2, 2026
View at With Clarity

About this 6.61ct lab-grown cushion diamond

This 6.61ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835628248 or 835628248. Listed at 10 retailers as of November 1, 2026, with prices from $1,638 to $5,727, a $4,089 spread on the same certified stone. With Clarity lists it at $5,727. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.61
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835628248
Dimensions13.80 × 9.41 × 6.38 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.80 mm9.41 mm6.61 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835628248
Side View
Table 59.0%Crown 34.3°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 67.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $3,917 USD|Low: $1,223 USD|High: $5,847 USD|Avg: $3,351 USD|-5.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
November 1, 2026
Retailer 5$1,223 USD
Retailer 7$1,638 USD
Retailer 2$1,820 USD
Retailer 3$2,140 USD
Retailer 6$3,402 USD
Retailer 4$3,405 USD
Retailer 1$3,917 USD
Retailer 8$5,042 USD
With Clarity$5,727 USD

29 data points across 9 retailers

10 retailers$1,638 USD to $5,727 USD

Retailer 1
-
$1,223 USD
£963 GBP
Price last confirmed 16 days ago
A
Retailer 2
-
$1,638 USD
View
A
Retailer 3
-
$1,820 USD
€1,733 EUR
View
A
Retailer 4
-
$2,140 USD
A$3,293 AUD
View
B+
Retailer 5
-
$3,402 USD
View
B+
Retailer 6
-
$3,405 USD
View
B+
Retailer 7
-
$3,917 USD
£3,084 GBP
View
B+
Retailer 8
-
$3,965 USD
View
Retailer 9
-
$5,042 USD
SGD 6,814 SGD
View
Price last confirmed 20 days ago
Most Expensive
B
With Clarity
835628248 · Nov 2
$5,727 USD
View
9 more retailers have this diamond
Prices start from $1,638 USDSave up to $4,089 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
6.61ct Cushion
$1,638 USD