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Cushion|Lab Grown|IGI

1.40ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG778674180

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG778674180

Diamond specifications and retailer prices

From $271 USD
£214 GBP
As of October 30, 2026
Save $799 USD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,071 USD at MOH London · As of October 25, 2026
View at MOH London

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778674180 or 778674180. Listed at 8 retailers as of October 25, 2026, with prices from $271 to $1,071, a $799 spread on the same certified stone. MOH London lists it at $1,071. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778674180
Dimensions6.57 × 6.30 × 4.13 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.57 mm6.30 mm1.40 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778674180
Side View
Table 64.0%Crown 34.5°Girdle: MED-THKPavilion 37.1°Culet: NoneDepth 65.6%

Caratlytics Score

How it works →
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: $1,071 USD|Low: $264 USD|High: $1,071 USD|Avg: $541 USD|+2.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4$271 USD
Retailer 3$399 USD
Retailer 6$403 USD
Retailer 5$407 USD
Retailer 2$481 USD
Retailer 7$556 USD
Retailer 8$773 USD
MOH London$1,071 USD

41 data points across 8 retailers

8 retailers$271 USD to $1,071 USD

A
Cheapest Retailer
-
$271 USD
£214 GBP
B+
Retailer 2
-
$399 USD
View
A
Retailer 3
-
$403 USD
€384 EUR
View
A
Retailer 4
-
$407 USD
£321 GBP
View
A
Retailer 5
-
$481 USD
View
A
Retailer 6
-
$556 USD
View
Retailer 7
-
$773 USD
View
Price last confirmed 12 days ago
Most Expensive
B
MOH London
LG778674180 · Oct 25
$1,071 USD
£843 GBP
View
7 more retailers have this diamond
Prices start from $271 USDSave up to $799 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
$271 USD