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Round|Lab Grown|IGI

1.37ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG681531173

Shape and cutting style on the report: Round brilliant

Certificate IGI LG681531173

Diamond specifications and retailer prices

From $234 CAD
$167 USD
As of October 29, 2026
Save $1,131 CAD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,365 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.37ct lab-grown round diamond

This 1.37ct 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 LG681531173 or 681531173. Listed at 11 retailers as of October 29, 2026, with prices from $234 to $1,365, a $1,131 spread on the same certified stone. MOH London lists it at $1,365. 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

1.37
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681531173
Dimensions7.16 × 7.21 × 4.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.16 mm7.21 mm1.37 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681531173
Side View
Table 59.0%Crown 34.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.6%

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: Oct 29
Current: $1,365 CAD|Low: $234 CAD|High: $1,861 CAD|Avg: $784 CAD
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 29, 2026
Retailer 7$234 CAD
Retailer 4$290 CAD
Retailer 12$340 CAD
Retailer 8$500 CAD
Retailer 2$513 CAD
Retailer 13$522 CAD
Retailer 9$569 CAD
Retailer 11$640 CAD
Retailer 10$648 CAD
Retailer 14$714 CAD
Retailer 3$934 CAD
Retailer 5$1,318 CAD
MOH London$1,365 CAD
Retailer 6$1,861 CAD

3 data points across 14 retailers

11 retailers$234 CAD to $1,365 CAD

A
Cheapest Retailer
-
$234 CAD
$167 USD
A
Retailer 2
-
$290 CAD
$207 USD
View
A
Retailer 3
-
$340 CAD
HK$1,900 HKD
View
A
Retailer 4
-
$500 CAD
€340 EUR
View
A
Retailer 5
-
$513 CAD
£289 GBP
View
B+
Retailer 6
-
$522 CAD
$373 USD
View
A
Retailer 7
-
$569 CAD
£320 GBP
View
B+
Retailer 8
-
$640 CAD
$457 USD
View
B+
Retailer 9
-
$648 CAD
$463 USD
View
B+
Retailer 10
-
$934 CAD
$667 USD
View
Most Expensive
B
MOH London
LG681531173 · Oct 29
$1,365 CAD
£768 GBP
View
10 more retailers have this diamond
Prices start from $234 CADSave up to $1,131 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
1.37ct Round
$234 CAD