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Cushion|Lab Grown|IGI

3.09ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG528235321

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG528235321

Diamond specifications and retailer prices

From $918 AUD
$641 USD
As of November 3, 2026
Save $3,505 AUD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,423 AUD at MOH London · As of November 3, 2026
View at MOH London

About this 3.09ct lab-grown cushion diamond

This 3.09ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG528235321 or 528235321. Listed at 14 retailers as of November 3, 2026, with prices from $918 to $4,423, a $3,505 spread on the same certified stone. MOH London lists it at $4,423. 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
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.2°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528235321
Dimensions8.65 × 8.34 × 5.65 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Top View
8.65 mm8.34 mm3.09 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG528235321
Side View
Table 63.5%Crown 33.2°Girdle: THK-VTKPavilion 42.3°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 3
Current: $4,423 AUD|Low: $868 AUD|High: $4,475 AUD|Avg: $2,289 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 3, 2026
Retailer 3$918 AUD
Retailer 10$1,018 AUD
Retailer 7$1,174 AUD
Retailer 13$1,415 AUD
Retailer 9$1,568 AUD
Retailer 2$1,591 AUD
Retailer 11$1,615 AUD
Retailer 6$2,212 AUD
Retailer 12$2,968 AUD
Retailer 5$3,300 AUD
Retailer 4$3,417 AUD
Retailer 8$3,952 AUD
MOH London$4,423 AUD

42 data points across 13 retailers

14 retailers$918 AUD to $4,423 AUD

A
Cheapest Retailer
-
$918 AUD
$641 USD
Final sale: no returns
Retailer 2
-
$1,018 AUD
$711 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
$1,174 AUD
$820 USD
View
A
Retailer 4
-
$1,415 AUD
$988 USD
View
A
Retailer 5
-
$1,568 AUD
$1,095 USD
View
A
Retailer 6
-
$1,591 AUD
£875 GBP
View
A
Retailer 7
-
$1,615 AUD
$1,128 USD
View
A
Retailer 8
-
$2,212 AUD
ZAR 24,951 ZAR
View
B
Retailer 9
-
$2,968 AUD
£1,632 GBP
View
B+
Retailer 10
-
$3,300 AUD
$2,305 USD
View
B+
Retailer 11
-
$3,354 AUD
HK$18,300 HKD
View
B
Retailer 12
-
$3,417 AUD
$2,386 USD
View
B
Retailer 13
-
$3,952 AUD
$2,760 USD
View
Most Expensive
B
MOH London
LG528235321 · Nov 3
$4,423 AUD
£2,432 GBP
View
13 more retailers have this diamond
Prices start from $918 AUDSave up to $3,505 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
$918 AUD