Cushion|Lab Grown|IGI

6.57ct F VS1 Cushion Lab Grown Diamond

VG • F/VS1 • IGI LG794642683

Shape and cutting style on the report: Cut cornered square mixed cut

Certificate IGI LG794642683

Diamond specifications and retailer prices

From $1,447 USD
As of October 31, 2026
Save $5,203 USD (78%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $6,650 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.57ct lab-grown cushion diamond

This 6.57ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG794642683 or 794642683. Listed at 29 retailers as of October 31, 2026, with prices from $1,447 to $6,650, a $5,203 spread on the same certified stone. Brilliant Earth lists it at $6,650. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

6.57
Carat
F
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794642683
Dimensions10.28 × 9.92 × 6.81 mm
L/W Ratio1.04
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.28 mm9.92 mm6.57 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794642683
Side View
Table 65.0%Crown 43°Girdle: ThickPavilion 31.6°Culet: NoneDepth 68.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $6,650 USD|Low: $1,107 USD|High: $6,650 USD|Avg: $3,350 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 12$1,488 USD
Retailer 7$1,528 USD
Retailer 8$1,528 USD
Retailer 4$1,715 USD
Retailer 13$2,175 USD
Retailer 18$2,439 USD
Retailer 14$2,543 USD
Retailer 9$2,683 USD
Retailer 17$2,856 USD
Retailer 2$3,021 USD
Retailer 6$3,719 USD
Retailer 11$4,376 USD
Retailer 16$4,426 USD
Retailer 3$4,576 USD
Retailer 15$4,963 USD
Retailer 5$5,420 USD
Retailer 10$5,765 USD
Brilliant Earth$6,650 USD

38 data points across 18 retailers

29 retailers$1,447 USD to $6,650 USD

Retailer 1
-
$1,264 USD
Price last confirmed 30 days ago
Retailer 2
-
$1,317 USD
View
Price last confirmed 39 days ago
Retailer 3
-
$1,433 USD
View
Price last confirmed 39 days ago
Retailer 4
-
$1,433 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
$1,447 USD
View
A
Retailer 6
-
$1,488 USD
View
Final sale: no returns
Retailer 7
-
$1,507 USD
View
Price last confirmed 35 days ago
Retailer 8
-
$1,528 USD
View
Price last confirmed 20 days ago
Retailer 9
-
$1,528 USD
View
Price last confirmed 30 days ago
Retailer 10
-
$1,543 USD
View
Price last confirmed 7 days ago
A
Retailer 11
-
$1,715 USD
View
A
Retailer 12
-
$2,175 USD
£1,713 GBP
View
B+
Retailer 13
-
$2,439 USD
View
B+
Retailer 14
-
$2,543 USD
€2,422 EUR
View
B+
Retailer 15
-
$2,683 USD
View
Retailer 16
-
$2,856 USD
A$4,394 AUD
View
Price last confirmed 11 days ago
Retailer 17
-
$2,864 USD
View
Price last confirmed 33 days ago
Retailer 18
-
$2,864 USD
View
Price last confirmed 35 days ago
Retailer 19
-
$2,892 USD
View
Price last confirmed 8 days ago
B+
Retailer 20
-
$3,021 USD
View
Retailer 21
-
$3,719 USD
£2,928 GBP
View
Price last confirmed 14 days ago
B
Retailer 22
-
$4,183 USD
View
B
Retailer 23
-
$4,376 USD
A$6,732 AUD
View
B+
Retailer 24
-
$4,426 USD
View
Retailer 25
-
$4,576 USD
View
Price last confirmed 8 days ago
B
Retailer 26
-
$4,963 USD
£3,908 GBP
View
Retailer 27
-
$5,420 USD
View
Price last confirmed 7 days ago
B
Retailer 28
-
$5,883 USD
View
Most Expensive
B
Brilliant Earth
19916875A · Oct 31
$6,650 USD
View
28 more retailers have this diamond
Prices start from $1,447 USDSave up to $5,203 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
6.57ct Cushion
$1,447 USD