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1.40ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG790625827

Shape and cutting style on the report: Round brilliant

Certificate IGI LG790625827

Diamond specifications and retailer prices

From $226 SGD
$176 USD
As of October 29, 2026
Save $1,090 SGD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,315 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.4ct lab-grown round diamond

This 1.4ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG790625827 or 790625827. Listed at 14 retailers as of October 29, 2026, with prices from $226 to $1,315, a $1,090 spread on the same certified stone. MOH London lists it at $1,315. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.40
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790625827
Dimensions7.20 × 7.16 × 4.37 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.20 mm7.16 mm1.40 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790625827
Side View
Table 59.0%Crown 35.7°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.9%

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 29
Current: $1,315 SGD|Low: $200 SGD|High: $1,315 SGD|Avg: $562 SGD
MOH London
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
October 30, 2026
Retailer 5$226 SGD
Retailer 6$251 SGD
Retailer 12$261 SGD
Retailer 3$279 SGD
Retailer 9$279 SGD
Retailer 4$497 SGD
Retailer 7$500 SGD
Retailer 2$546 SGD
Retailer 10$611 SGD
Retailer 13$704 SGD
Retailer 11$898 SGD
Retailer 8$950 SGD
Retailer 14$969 SGD
MOH London$1,315 SGD

11 data points across 14 retailers

14 retailers$226 SGD to $1,315 SGD

A
Cheapest Retailer
-
$226 SGD
$176 USD
A
Retailer 2
-
$251 SGD
$196 USD
View
Final sale: no returns
A
Retailer 3
-
$261 SGD
$204 USD
View
A
Retailer 4
-
$279 SGD
$218 USD
View
A
Retailer 5
-
$279 SGD
$218 USD
View
B+
Retailer 6
-
$497 SGD
$388 USD
View
A
Retailer 7
-
$500 SGD
£307 GBP
View
A
Retailer 8
-
$546 SGD
£336 GBP
View
B+
Retailer 9
-
$611 SGD
$477 USD
View
B+
Retailer 10
-
$704 SGD
$549 USD
View
B+
Retailer 11
-
$898 SGD
$701 USD
View
B
Retailer 12
-
$950 SGD
$741 USD
View
B
Retailer 13
-
$969 SGD
$756 USD
View
Most Expensive
B
MOH London
LG790625827 · Oct 29
$1,315 SGD
£808 GBP
View
13 more retailers have this diamond
Prices start from $226 SGDSave up to $1,090 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 Round
$226 SGD