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Cushion|Lab Grown|IGI

1.40ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG674551681

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG674551681

Diamond specifications and retailer prices

From $410 AUD
$288 USD
As of October 28, 2026
Save $2,252 AUD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,662 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 LG674551681 or 674551681. Listed at 18 retailers as of October 28, 2026, with prices from $410 to $2,662, a $2,252 spread on the same certified stone. Brilliant Earth lists it at $2,662. 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 angle35.6°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674551681
Dimensions6.39 × 6.39 × 4.37 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.39 mm6.39 mm1.40 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674551681
Side View
Table 61.0%Crown 35.6°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 68.4%

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: Oct 28
Current: $2,662 AUD|Low: $410 AUD|High: $2,733 AUD|Avg: $1,052 AUD|-2.6%
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
October 29, 2026
Retailer 6$410 AUD
Retailer 4$455 AUD
Retailer 9$560 AUD
Retailer 3$612 AUD
Retailer 12$612 AUD
Retailer 11$782 AUD
Retailer 8$822 AUD
Retailer 5$823 AUD
Retailer 2$869 AUD
Retailer 7$1,046 AUD
Retailer 10$1,107 AUD
Retailer 15$1,116 AUD
Retailer 14$1,751 AUD
Retailer 13$1,826 AUD
Brilliant Earth$2,662 AUD

40 data points across 15 retailers

18 retailers$410 AUD to $2,662 AUD

A
Cheapest Retailer
-
$410 AUD
$288 USD
Final sale: no returns
A
Retailer 2
-
$455 AUD
$320 USD
View
A
Retailer 3
-
$560 AUD
£310 GBP
View
A
Retailer 4
-
$612 AUD
$430 USD
View
A
Retailer 5
-
$612 AUD
$430 USD
View
A
Retailer 6
-
$782 AUD
ZAR 8,875 ZAR
View
A
Retailer 7
-
$822 AUD
€550 EUR
View
A
Retailer 8
-
$823 AUD
$578 USD
View
A
Retailer 9
-
$869 AUD
£481 GBP
View
B+
Retailer 10
-
$1,046 AUD
$735 USD
View
B+
Retailer 11
-
$1,107 AUD
View
B+
Retailer 12
-
$1,116 AUD
$784 USD
View
B+
Retailer 13
-
$1,536 AUD
$1,079 USD
View
Retailer 14
-
$1,751 AUD
$1,230 USD
View
Price last confirmed 11 days ago
B
Retailer 15
-
$1,826 AUD
£1,010 GBP
View
B
Retailer 16
-
$1,962 AUD
$1,378 USD
View
Retailer 17
-
$2,149 AUD
$1,510 USD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
21311597A · Oct 29
$2,662 AUD
$1,870 USD
View
17 more retailers have this diamond
Prices start from $410 AUDSave up to $2,252 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
$410 AUD