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Cushion|Lab Grown|IGI

1.40ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG778668551

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG778668551

Diamond specifications and retailer prices

From $347 AUD
$244 USD
As of October 28, 2026
Save $1,435 AUD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,782 AUD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

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 LG778668551 or 778668551. Listed at 14 retailers as of October 28, 2026, with prices from $347 to $1,782, a $1,435 spread on the same certified stone. Reve Diamonds lists it at $1,782. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778668551
Dimensions7.94 × 5.44 × 3.71 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.94 mm5.44 mm1.40 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778668551
Side View
Table 63.0%Crown 41.5°Girdle: MED-THKPavilion 35.5°Culet: NoneDepth 68.2%

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 28
Current: $713 AUD|Low: $347 AUD|High: $1,782 AUD|Avg: $929 AUD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
October 29, 2026
Retailer 12$347 AUD
Retailer 13$386 AUD
Retailer 6$474 AUD
Retailer 10$520 AUD
Retailer 7$662 AUD
Retailer 1$713 AUD
Retailer 3$847 AUD
Retailer 8$942 AUD
Retailer 2$1,026 AUD
Retailer 5$1,249 AUD
Retailer 4$1,313 AUD
Retailer 11$1,497 AUD
Retailer 9$1,546 AUD
Reve Diamonds$1,782 AUD

42 data points across 14 retailers

14 retailers$347 AUD to $1,782 AUD

A
Cheapest Retailer
-
$347 AUD
$244 USD
Final sale: no returns
A
Retailer 2
-
$386 AUD
$271 USD
View
A
Retailer 3
-
$474 AUD
£262 GBP
View
B+
Retailer 4
-
$520 AUD
$365 USD
View
A
Retailer 5
-
$662 AUD
ZAR 7,511 ZAR
View
A
Retailer 6
-
$713 AUD
£394 GBP
View
A
Retailer 7
-
$847 AUD
$595 USD
View
A
Retailer 8
-
$942 AUD
View
B+
Retailer 9
-
$1,026 AUD
$721 USD
View
B+
Retailer 10
-
$1,249 AUD
SGD 1,186 SGD
View
B+
Retailer 11
-
$1,313 AUD
$923 USD
View
B+
Retailer 12
-
$1,497 AUD
£828 GBP
View
B+
Retailer 13
-
$1,546 AUD
£855 GBP
View
Most Expensive
B
Reve Diamonds
E75D664DF · Oct 28
$1,782 AUD
$1,252 USD
View
13 more retailers have this diamond
Prices start from $347 AUDSave up to $1,435 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