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Cushion|Lab Grown|IGI

8.09ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG850681797

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG850681797

Diamond specifications and retailer prices

From $1,943 AUD
$1,362 USD
As of November 1, 2026
Save $9,714 AUD (83%) vs most expensive(unlock to see where)
9 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 LG850681797 or 850681797. Listed at 9 retailers as of November 1, 2026, with prices from $1,943 to $11,658, a $9,714 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 angle34.9°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850681797
Dimensions11.62 × 11.50 × 7.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.62 mm11.50 mm8.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850681797
Side View
Table 65.0%Crown 34.9°Girdle: MED-THKPavilion 35.1°Culet: NoneDepth 62.5%

Caratlytics Score

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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: $2,154 AUD|Low: $1,943 AUD|High: $9,001 AUD|Avg: $5,344 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 3$1,943 AUD
Retailer 1$2,154 AUD
Retailer 6$2,668 AUD
Retailer 8$5,157 AUD
Retailer 2$6,124 AUD
Retailer 5$6,141 AUD
Retailer 4$8,454 AUD
Retailer 7$9,001 AUD

3 data points across 8 retailers

9 retailers$1,943 AUD to $11,658 AUD

A
Cheapest Retailer
-
$1,943 AUD
$1,362 USD
Final sale: no returns
A
Retailer 2
-
$2,154 AUD
£1,189 GBP
View
B+
Retailer 3
-
$2,668 AUD
$1,870 USD
View
B+
Retailer 4
-
$5,157 AUD
$3,614 USD
View
B+
Retailer 5
-
$6,124 AUD
$4,292 USD
View
B+
Retailer 6
-
$6,141 AUD
£3,389 GBP
View
B
Retailer 7
-
$8,454 AUD
$5,925 USD
View
B
Retailer 8
-
$9,001 AUD
$6,308 USD
View
Most Expensive
B
Brilliant Earth
22388794A · Nov 2
$11,658 AUD
$8,170 USD
View
8 more retailers have this diamond
Prices start from $1,943 AUDSave up to $9,714 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
$1,943 AUD