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Cushion|Lab Grown|IGI

8.09ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG799638563

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG799638563

Diamond specifications and retailer prices

From $2,289 AUD
$1,604 USD
As of November 1, 2026
Save $9,369 AUD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $11,658 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 8.09ct lab-grown cushion diamond

This 8.09ct 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 LG799638563 or 799638563. Listed at 21 retailers as of November 1, 2026, with prices from $2,289 to $11,658, a $9,369 spread on the same certified stone. Brilliant Earth lists it at $11,658. 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

8.09
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799638563
Dimensions13.81 × 9.57 × 6.48 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.81 mm9.57 mm8.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799638563
Side View
Table 69.0%Crown 34.4°Girdle: STK-VTKPavilion 33.6°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $11,658 AUD|Low: $1,996 AUD|High: $11,658 AUD|Avg: $4,830 AUD
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
November 2, 2026
Retailer 10$2,068 AUD
Retailer 12$2,289 AUD
Retailer 7$2,333 AUD
Retailer 4$2,708 AUD
Retailer 11$2,941 AUD
Retailer 5$3,306 AUD
Retailer 16$3,489 AUD
Retailer 18$3,501 AUD
Retailer 2$3,760 AUD
Retailer 15$3,869 AUD
Retailer 9$5,045 AUD
Retailer 14$5,990 AUD
Retailer 3$6,159 AUD
Retailer 6$6,231 AUD
Retailer 13$6,707 AUD
Retailer 8$7,325 AUD
Retailer 17$8,692 AUD
Brilliant Earth$11,658 AUD

36 data points across 18 retailers

21 retailers$2,289 AUD to $11,658 AUD

Retailer 1
-
$2,068 AUD
$1,449 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$2,289 AUD
$1,604 USD
View
Final sale: no returns
A
Retailer 3
-
$2,333 AUD
$1,635 USD
View
A
Retailer 4
-
$2,708 AUD
$1,898 USD
View
A
Retailer 5
-
$2,941 AUD
£1,623 GBP
View
B+
Retailer 6
-
$3,306 AUD
$2,317 USD
View
A
Retailer 7
-
$3,489 AUD
€2,329 EUR
View
A
Retailer 8
-
$3,501 AUD
ZAR 39,637 ZAR
View
A
Retailer 9
-
$3,760 AUD
$2,635 USD
View
A
Retailer 10
-
$3,869 AUD
View
B+
Retailer 11
-
$5,045 AUD
£2,784 GBP
View
B+
Retailer 12
-
$5,990 AUD
$4,198 USD
View
B+
Retailer 13
-
$6,020 AUD
$4,219 USD
View
B+
Retailer 14
-
$6,159 AUD
$4,316 USD
View
B+
Retailer 15
-
$6,231 AUD
$4,367 USD
View
B+
Retailer 16
-
$6,707 AUD
£3,701 GBP
View
B+
Retailer 17
-
$7,325 AUD
$5,133 USD
View
B
Retailer 18
-
$7,951 AUD
$5,572 USD
View
Retailer 19
-
$8,539 AUD
$5,984 USD
View
Price last confirmed 85 days ago
B
Retailer 20
-
$8,692 AUD
View
Most Expensive
B
Brilliant Earth
20561077A · Nov 2
$11,658 AUD
$8,170 USD
View
20 more retailers have this diamond
Prices start from $2,289 AUDSave up to $9,369 AUD

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
8.09ct Cushion
$2,289 AUD