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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 $263 CAD
$188 USD
As of October 26, 2026
Save $1,274 CAD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,538 CAD 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 26, 2026, with prices from $263 to $1,538, a $1,274 spread on the same certified stone. MOH London lists it at $1,538. 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
Color
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

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 26
Current: $1,538 CAD|Low: $253 CAD|High: $1,575 CAD|Avg: $669 CAD|-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 29, 2026
Retailer 11$263 CAD
Retailer 13$295 CAD
Retailer 5$328 CAD
Retailer 2$554 CAD
Retailer 3$575 CAD
Retailer 8$589 CAD
Retailer 6$641 CAD
Retailer 4$666 CAD
Retailer 12$682 CAD
Retailer 9$714 CAD
Retailer 10$861 CAD
Retailer 7$952 CAD
MOH London$1,538 CAD

33 data points across 13 retailers

14 retailers$263 CAD to $1,538 CAD

A
Cheapest Retailer
-
$263 CAD
$188 USD
A
Retailer 2
-
$295 CAD
$211 USD
View
Final sale: no returns
A
Retailer 3
-
$328 CAD
$234 USD
View
A
Retailer 4
-
$554 CAD
€377 EUR
View
B+
Retailer 5
-
$575 CAD
$411 USD
View
A
Retailer 6
-
$589 CAD
£331 GBP
View
A
Retailer 7
-
$641 CAD
£360 GBP
View
B+
Retailer 8
-
$666 CAD
$476 USD
View
B+
Retailer 9
-
$682 CAD
$487 USD
View
B+
Retailer 10
-
$714 CAD
$510 USD
View
B
Retailer 11
-
$861 CAD
$615 USD
View
B+
Retailer 12
-
$952 CAD
$680 USD
View
B+
Retailer 13
-
$966 CAD
$690 USD
View
Price last confirmed 44 days ago
Most Expensive
B
MOH London
LG786642414 · Oct 29
$1,538 CAD
£865 GBP
View
13 more retailers have this diamond
Prices start from $263 CADSave up to $1,274 CAD

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
$263 CAD