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Cushion|Lab Grown|IGI

1.40ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG840611151

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840611151

Diamond specifications and retailer prices

From $347 AUD
$244 USD
As of October 29, 2026
Save $1,517 AUD (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,865 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.4ct lab-grown cushion diamond

This 1.4ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840611151 or 840611151. Listed at 17 retailers as of October 29, 2026, with prices from $347 to $1,865, a $1,517 spread on the same certified stone. Brilliant Earth lists it at $1,865. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840611151
Dimensions7.00 × 6.16 × 4.01 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.00 mm6.16 mm1.40 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840611151
Side View
Table 57.0%Crown 32.3°Girdle: MED-THKPavilion 34.8°Culet: NoneDepth 65.1%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $1,865 AUD|Low: $347 AUD|High: $1,865 AUD|Avg: $1,090 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
October 30, 2026
Retailer 17$347 AUD
Retailer 8$416 AUD
Retailer 11$473 AUD
Retailer 2$520 AUD
Retailer 15$695 AUD
Retailer 4$715 AUD
Retailer 12$715 AUD
Retailer 7$874 AUD
Retailer 5$1,015 AUD
Retailer 13$1,026 AUD
Retailer 14$1,313 AUD
Retailer 16$1,324 AUD
Retailer 3$1,553 AUD
Retailer 9$1,598 AUD
Retailer 6$1,744 AUD
Retailer 10$1,782 AUD
Brilliant Earth$1,865 AUD

28 data points across 17 retailers

17 retailers$347 AUD to $1,865 AUD

A
Cheapest Retailer
-
$347 AUD
$244 USD
Final sale: no returns
A
Retailer 2
-
$416 AUD
$292 USD
View
A
Retailer 3
-
$473 AUD
£262 GBP
View
B+
Retailer 4
-
$520 AUD
$365 USD
View
A
Retailer 5
-
$695 AUD
€465 EUR
View
A
Retailer 6
-
$715 AUD
ZAR 8,110 ZAR
View
A
Retailer 7
-
$715 AUD
£396 GBP
View
A
Retailer 8
-
$874 AUD
$614 USD
View
A
Retailer 9
-
$1,015 AUD
View
B+
Retailer 10
-
$1,026 AUD
$721 USD
View
B+
Retailer 11
-
$1,313 AUD
$923 USD
View
B+
Retailer 12
-
$1,324 AUD
$930 USD
View
B+
Retailer 13
-
$1,553 AUD
£859 GBP
View
Retailer 14
-
$1,598 AUD
View
Price last confirmed 22 days ago
Retailer 15
-
$1,744 AUD
$1,225 USD
View
Price last confirmed 8 days ago
B
Retailer 16
-
$1,782 AUD
$1,252 USD
View
Most Expensive
B
Brilliant Earth
21690503A · Oct 29
$1,865 AUD
$1,310 USD
View
16 more retailers have this diamond
Prices start from $347 AUDSave up to $1,517 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
1.40ct Cushion
$347 AUD