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1.39ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG786642414

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786642414

Diamond specifications and retailer prices

From $240 SGD
$188 USD
As of October 29, 2026
Save $1,164 SGD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,404 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.39ct lab-grown round diamond

This 1.39ct 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 LG786642414 or 786642414. Listed at 14 retailers as of October 29, 2026, with prices from $240 to $1,404, a $1,164 spread on the same certified stone. MOH London lists it at $1,404. 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

1.39
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786642414
Dimensions7.21 × 7.17 × 4.40 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.21 mm7.17 mm1.39 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786642414
Side View
Table 58.0%Crown 31.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $1,404 SGD|Low: $231 SGD|High: $1,438 SGD|Avg: $613 SGD|-2.4%
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
October 30, 2026
Retailer 11$240 SGD
Retailer 13$270 SGD
Retailer 5$299 SGD
Retailer 8$506 SGD
Retailer 3$525 SGD
Retailer 7$541 SGD
Retailer 6$584 SGD
Retailer 4$609 SGD
Retailer 12$623 SGD
Retailer 9$652 SGD
Retailer 10$786 SGD
Retailer 2$857 SGD
MOH London$1,404 SGD

34 data points across 13 retailers

14 retailers$240 SGD to $1,404 SGD

A
Cheapest Retailer
-
$240 SGD
$188 USD
A
Retailer 2
-
$270 SGD
$211 USD
View
Final sale: no returns
A
Retailer 3
-
$299 SGD
$234 USD
View
A
Retailer 4
-
$506 SGD
€377 EUR
View
B+
Retailer 5
-
$525 SGD
$411 USD
View
A
Retailer 6
-
$541 SGD
£333 GBP
View
A
Retailer 7
-
$584 SGD
£359 GBP
View
B+
Retailer 8
-
$609 SGD
$476 USD
View
B+
Retailer 9
-
$623 SGD
$487 USD
View
B+
Retailer 10
-
$652 SGD
$510 USD
View
B
Retailer 11
-
$786 SGD
$615 USD
View
B+
Retailer 12
-
$857 SGD
$670 USD
View
Retailer 13
-
$882 SGD
$690 USD
View
Price last confirmed 45 days ago
Most Expensive
B
MOH London
LG786642414 · Oct 29
$1,404 SGD
£865 GBP
View
13 more retailers have this diamond
Prices start from $240 SGDSave up to $1,164 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
1.39ct Round
$240 SGD