Emerald|Lab Grown|IGI

1.22ct G SI2 Emerald Lab Grown Diamond

ID • G/SI2 • IGI LG508138559

Shape and cutting style on the report: Emerald cut

Certificate IGI LG508138559

Diamond specifications and retailer prices

From $890 CAD
$636 USD
As of October 30, 2026
Save $2,011 CAD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,371 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.22ct lab-grown emerald diamond

This 1.22ct lab-grown emerald sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG508138559 or 508138559. Listed at 11 retailers as of October 28, 2026, with a 226% 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

1.22
Carat
G
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.5°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508138559
Dimensions7.59 × 4.97 × 3.23 mm
L/W Ratio1.53
Culet sizeLong
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
7.59 mm4.97 mm1.22 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508138559
Side View
Table 66.5%Crown 27.5°Girdle: MediumPavilion 37.6°Culet: LNGDepth 65.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,371 CAD|Low: $710 CAD|High: $4,399 CAD|Avg: $1,685 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 5$890 CAD
Retailer 11$969 CAD
Retailer 3$995 CAD
Retailer 7$1,032 CAD
Retailer 10$1,032 CAD
Retailer 6$1,302 CAD
Retailer 2$1,648 CAD
Retailer 8$1,688 CAD
Retailer 4$2,637 CAD
Retailer 9$2,901 CAD
MOH London$4,371 CAD

44 data points across 11 retailers

11 retailers$890 CAD to $2,901 CAD

B+
Cheapest Retailer
-
$890 CAD
$636 USD
B+
Retailer 2
-
$969 CAD
$692 USD
View
B+
Retailer 3
-
$995 CAD
$711 USD
View
Final sale: no returns
Retailer 4
-
$1,032 CAD
$737 USD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
$1,032 CAD
$737 USD
View
B
Retailer 6
-
$1,302 CAD
$930 USD
View
B
Retailer 7
-
$1,648 CAD
£927 GBP
View
B
Retailer 8
-
$1,688 CAD
$1,206 USD
View
B
Retailer 9
-
$2,637 CAD
$1,884 USD
View
B
Retailer 10
-
$2,901 CAD
$2,073 USD
View
Most Expensive
MOH London
LG508138559 · Oct 29
$4,371 CAD
£2,459 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $890 CADSave up to $2,011 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.

B+
1.22ct Emerald
$890 CAD