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Emerald|Lab Grown|IGI

1.00ct J SI2 Emerald Lab Grown Diamond

ID • J/SI2 • IGI LG400943064

Shape and cutting style on the report: Emerald cut

Certificate IGI LG400943064

Diamond specifications and retailer prices

From $1,096 CAD
$783 USD
As of October 29, 2026
Save $3,693 CAD (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,789 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown emerald diamond

This 1ct lab-grown emerald sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG400943064 or 400943064. Listed at 9 retailers as of October 29, 2026, with prices from $1,096 to $4,789, a $3,693 spread on the same certified stone. MOH London lists it at $4,789. 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

1.00
Carat
J
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle22.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG400943064
Dimensions6.45 × 4.80 × 3.22 mm
L/W Ratio1.34
Culet sizeLong
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.45 mm4.80 mm1.00 ctJ / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG400943064
Side View
Table 62.5%Crown 22.2°Girdle: Slightly ThickPavilion 40.1°Culet: LNGDepth 67.1%

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 29
Current: $4,789 CAD|Low: $1,051 CAD|High: $4,828 CAD|Avg: $2,285 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 18, 2026
Retailer 3$1,096 CAD
Retailer 7$1,226 CAD
Retailer 4$1,271 CAD
Retailer 6$1,271 CAD
Retailer 8$1,964 CAD
Retailer 5$2,052 CAD
Retailer 9$2,844 CAD
Retailer 2$3,022 CAD
MOH London$4,789 CAD

14 data points across 9 retailers

9 retailers$1,096 CAD to $4,789 CAD

A
Cheapest Retailer
-
$1,096 CAD
$783 USD
B+
Retailer 2
-
$1,192 CAD
$852 USD
View
B+
Retailer 3
-
$1,226 CAD
$876 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,271 CAD
$908 USD
View
Retailer 5
-
$1,271 CAD
$908 USD
View
Price last confirmed 17 days ago
B
Retailer 6
-
$2,052 CAD
$1,466 USD
View
B
Retailer 7
-
$3,022 CAD
$2,159 USD
View
B
Retailer 8
-
$3,573 CAD
$2,553 USD
View
Most Expensive
C
MOH London
LG400943064 · Oct 29
$4,789 CAD
£2,694 GBP
View
8 more retailers have this diamond
Prices start from $1,096 CADSave up to $3,693 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
1.00ct Emerald
$1,096 CAD