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Round|Lab Grown|IGI

1.51ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG440014239

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440014239

Diamond specifications and retailer prices

From $1,173 CAD
As of November 5, 2026
Save $5,258 CAD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,431 CAD at MOH London · As of November 3, 2026
View at MOH London

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440014239 or 440014239. Listed at 10 retailers as of November 3, 2026, with prices from $1,173 to $6,431, a $5,258 spread on the same certified stone. MOH London lists it at $6,431. 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

1.51
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440014239
Dimensions7.46 × 7.50 × 4.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.46 mm7.50 mm1.51 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440014239
Side View
Table 59.0%Crown 31.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 58.8%

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: Nov 5
Current: $6,431 CAD|Low: $1,173 CAD|High: $6,509 CAD|Avg: $3,046 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2$1,173 CAD
Retailer 4$1,726 CAD
Retailer 7$1,877 CAD
Retailer 9$1,931 CAD
Retailer 5$2,001 CAD
Retailer 11$2,821 CAD
Retailer 6$3,174 CAD
Retailer 8$3,753 CAD
Retailer 10$3,835 CAD
Retailer 3$4,482 CAD
MOH London$6,431 CAD

10 data points across 11 retailers

10 retailers$1,173 CAD to $6,431 CAD

A
Cheapest Retailer
-
$1,173 CAD
B+
Retailer 2
-
$1,726 CAD
View
B+
Retailer 3
-
$1,877 CAD
View
B+
Retailer 4
-
$1,931 CAD
View
Final sale: no returns
Retailer 5
-
$2,001 CAD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$2,001 CAD
View
B
Retailer 7
-
$3,174 CAD
View
B
Retailer 8
-
$3,753 CAD
View
B
Retailer 9
-
$3,835 CAD
View
Most Expensive
B
MOH London
LG440014239 · Nov 3
$6,431 CAD
£3,626 GBP
View
9 more retailers have this diamond
Prices start from $1,173 CADSave up to $5,258 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
1.51ct Round
$1,173 CAD