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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 $313 SGD
$244 USD
As of October 30, 2026
Save $1,292 SGD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,604 SGD at Reve Diamonds · As of October 30, 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 30, 2026, with prices from $313 to $1,604, a $1,292 spread on the same certified stone. Reve Diamonds lists it at $1,604. 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

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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 30
Current: $426 SGD|Low: $313 SGD|High: $1,604 SGD|Avg: $837 SGD|-1.0%
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 30, 2026
Retailer 12$313 SGD
Retailer 13$347 SGD
Retailer 1$426 SGD
Retailer 10$468 SGD
Retailer 7$596 SGD
Retailer 6$644 SGD
Retailer 3$763 SGD
Retailer 8$848 SGD
Retailer 2$924 SGD
Retailer 5$1,125 SGD
Retailer 4$1,183 SGD
Retailer 11$1,348 SGD
Retailer 9$1,392 SGD
Reve Diamonds$1,604 SGD

43 data points across 14 retailers

14 retailers$313 SGD to $1,604 SGD

A
Cheapest Retailer
-
$313 SGD
$244 USD
Final sale: no returns
A
Retailer 2
-
$347 SGD
$271 USD
View
A
Retailer 3
-
$426 SGD
£262 GBP
View
B+
Retailer 4
-
$468 SGD
$365 USD
View
A
Retailer 5
-
$596 SGD
ZAR 7,511 ZAR
View
A
Retailer 6
-
$644 SGD
£396 GBP
View
A
Retailer 7
-
$763 SGD
$595 USD
View
A
Retailer 8
-
$848 SGD
A$1,018 AUD
View
B+
Retailer 9
-
$924 SGD
$721 USD
View
B+
Retailer 10
-
$1,125 SGD
View
B+
Retailer 11
-
$1,183 SGD
$923 USD
View
B+
Retailer 12
-
$1,348 SGD
£828 GBP
View
B+
Retailer 13
-
$1,392 SGD
£855 GBP
View
Most Expensive
B
Reve Diamonds
E75D664DF · Oct 30
$1,604 SGD
$1,252 USD
View
13 more retailers have this diamond
Prices start from $313 SGDSave up to $1,292 SGD

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
$313 SGD