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Cushion|Lab Grown|IGI

3.09ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG711522980

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

Certificate IGI LG711522980

Diamond specifications and retailer prices

From $1,727 AUD
$1,213 USD
As of October 23, 2026
Save $5,946 AUD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,672 AUD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 3.09ct lab-grown cushion diamond

This 3.09ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG711522980 or 711522980. Listed at 12 retailers as of October 23, 2026, with prices from $1,727 to $7,672, a $5,946 spread on the same certified stone. Brilliant Earth lists it at $7,672. 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

3.09
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG711522980
Dimensions8.55 × 8.39 × 5.52 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.55 mm8.39 mm3.09 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG711522980
Side View
Table 61.0%Crown 35.7°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 65.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 23
Current: $7,672 AUD|Low: $729 AUD|High: $7,900 AUD|Avg: $2,310 AUD|-2.9%
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
October 22, 2026
Retailer 5$729 AUD
Retailer 9$876 AUD
Retailer 10$1,103 AUD
Retailer 12$1,150 AUD
Retailer 2$1,182 AUD
Retailer 7$1,245 AUD
Retailer 11$1,268 AUD
Retailer 3$1,727 AUD
Retailer 4$2,390 AUD
Retailer 8$2,690 AUD
Retailer 13$2,726 AUD
Retailer 6$3,373 AUD
Brilliant Earth$7,672 AUD

28 data points across 13 retailers

12 retailers$1,727 AUD to $7,672 AUD

Retailer 1
-
$729 AUD
$512 USD
Price last confirmed 17 days ago
Retailer 2
-
$876 AUD
£485 GBP
View
Price last confirmed 13 days ago
Retailer 3
-
$1,103 AUD
$775 USD
View
Price last confirmed 6 days ago
Retailer 4
-
$1,150 AUD
$808 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$1,182 AUD
£654 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
$1,268 AUD
$891 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$1,727 AUD
$1,213 USD
View
Retailer 8
-
$2,390 AUD
$1,679 USD
View
Price last confirmed 11 days ago
Retailer 9
-
$2,690 AUD
£1,488 GBP
View
Price last confirmed 8 days ago
Retailer 10
-
$2,726 AUD
$1,915 USD
View
Price last confirmed 7 days ago
Retailer 11
-
$3,373 AUD
$2,370 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
14871648A · Oct 23
$7,672 AUD
$5,390 USD
View
11 more retailers have this diamond
Prices start from $1,727 AUDSave up to $5,946 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
3.09ct Cushion
$1,727 AUD