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Emerald|Lab Grown|IGI

1.51ct E SI2 Emerald Lab Grown Diamond

ID • E/SI2 • IGI LG464182189

Shape and cutting style on the report: Emerald cut

Certificate IGI LG464182189

Diamond specifications and retailer prices

From $265 CAD
$189 USD
As of October 27, 2026
Save $1,009 CAD (79%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,456 CAD at MOH London · As of October 21, 2026
View at MOH London

About this 1.51ct lab-grown emerald diamond

This 1.51ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG464182189 or 464182189. Listed at 8 retailers as of October 26, 2026, with a 381% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.8°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG464182189
Dimensions7.41 × 5.43 × 3.63 mm
L/W Ratio1.36
Culet sizeLong
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
7.41 mm5.43 mm1.51 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG464182189
Side View
Table 67.5%Crown 26.8°Girdle: MediumPavilion 37.1°Culet: LNGDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,456 CAD|Low: $253 CAD|High: $1,671 CAD|Avg: $899 CAD|-12.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 18, 2026
Retailer 3$265 CAD
Retailer 8$307 CAD
Retailer 5$575 CAD
Retailer 2$1,055 CAD
Retailer 6$1,142 CAD
Retailer 7$1,162 CAD
Retailer 4$1,274 CAD
MOH London$1,456 CAD

14 data points across 8 retailers

8 retailers$265 CAD to $1,274 CAD

A
Cheapest Retailer
-
$265 CAD
$189 USD
A
Retailer 2
-
$307 CAD
$219 USD
View
B+
Retailer 3
-
$575 CAD
$411 USD
View
B
Retailer 4
-
$1,055 CAD
$754 USD
View
B
Retailer 5
-
$1,142 CAD
$816 USD
View
B
Retailer 6
-
$1,162 CAD
$830 USD
View
B
Retailer 7
-
$1,274 CAD
$910 USD
View
Most Expensive
MOH London
LG464182189 · Oct 21
$1,456 CAD
£819 GBP
View
Price last confirmed 8 days ago
7 more retailers have this diamond
Prices start from $265 CADSave up to $1,009 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 Emerald
$265 CAD