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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 $244 USD
As of October 28, 2026
Save $1,008 USD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,252 USD 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 $244 to $1,252, a $1,008 spread on the same certified stone. Reve Diamonds lists it at $1,252. 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
Color
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

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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: $501 USD|Low: $244 USD|High: $1,252 USD|Avg: $653 USD|-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$244 USD
Retailer 13$271 USD
Retailer 6$333 USD
Retailer 10$365 USD
Retailer 7$465 USD
Retailer 1$501 USD
Retailer 3$595 USD
Retailer 8$662 USD
Retailer 2$721 USD
Retailer 5$878 USD
Retailer 4$923 USD
Retailer 11$1,052 USD
Retailer 9$1,086 USD
Reve Diamonds$1,252 USD

42 data points across 14 retailers

14 retailers$244 USD to $1,252 USD

A
Cheapest Retailer
-
$244 USD
Final sale: no returns
A
Retailer 2
-
$271 USD
View
A
Retailer 3
-
$333 USD
£262 GBP
View
B+
Retailer 4
-
$365 USD
View
A
Retailer 5
-
$465 USD
ZAR 7,511 ZAR
View
A
Retailer 6
-
$501 USD
£394 GBP
View
A
Retailer 7
-
$595 USD
View
A
Retailer 8
-
$662 USD
A$1,018 AUD
View
B+
Retailer 9
-
$721 USD
View
B+
Retailer 10
-
$878 USD
SGD 1,186 SGD
View
B+
Retailer 11
-
$923 USD
View
B+
Retailer 12
-
$1,052 USD
£828 GBP
View
B+
Retailer 13
-
$1,086 USD
£855 GBP
View
Most Expensive
B
Reve Diamonds
E75D664DF · Oct 28
$1,252 USD
View
13 more retailers have this diamond
Prices start from $244 USDSave up to $1,008 USD

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
$244 USD