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1.39ct K SI1 Round Lab Grown Diamond

ID • K/SI1 • IGI LG492113549

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492113549

Diamond specifications and retailer prices

From $772 CAD
As of November 5, 2026
Save $3,371 CAD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,143 CAD at MOH London · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492113549 or 492113549. Listed at 10 retailers as of November 5, 2026, with prices from $772 to $4,143, a $3,371 spread on the same certified stone. MOH London lists it at $4,143. 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
K
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492113549
Dimensions7.15 × 7.13 × 4.39 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.15 mm7.13 mm1.39 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492113549
Side View
Table 57.0%Crown 35.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.5%

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: Nov 5
Current: $4,143 CAD|Low: $740 CAD|High: $4,204 CAD|Avg: $1,684 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 5$772 CAD
Retailer 10$858 CAD
Retailer 6$957 CAD
Retailer 8$957 CAD
Retailer 3$1,145 CAD
Retailer 2$1,323 CAD
Retailer 7$1,476 CAD
Retailer 9$1,557 CAD
Retailer 4$2,469 CAD
MOH London$4,143 CAD

40 data points across 10 retailers

10 retailers$772 CAD to $4,143 CAD

A
Cheapest Retailer
-
$772 CAD
A
Retailer 2
-
$864 CAD
View
A
Retailer 3
-
$957 CAD
View
Retailer 4
-
$957 CAD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
$1,145 CAD
View
B+
Retailer 6
-
$1,323 CAD
View
B+
Retailer 7
-
$1,476 CAD
View
B
Retailer 8
-
$2,469 CAD
View
B
Retailer 9
-
$2,517 CAD
View
Most Expensive
B
MOH London
LG492113549 · Nov 5
$4,143 CAD
£2,336 GBP
View
9 more retailers have this diamond
Prices start from $772 CADSave up to $3,371 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
$772 CAD