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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 $1,131 NZD
As of November 6, 2026
Save $2,556 NZD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,510 NZD at MOH London · As of November 5, 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 November 6, 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
Colour
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: Nov 6
Current: $5,510 NZD|Low: $1,085 NZD|High: $5,592 NZD|Avg: $2,183 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6$1,131 NZD
Retailer 11$1,231 NZD
Retailer 4$1,245 NZD
Retailer 3$1,265 NZD
Retailer 7$1,311 NZD
Retailer 10$1,311 NZD
Retailer 2$2,074 NZD
Retailer 8$2,145 NZD
Retailer 5$3,351 NZD
Retailer 9$3,688 NZD
MOH London$5,510 NZD

45 data points across 11 retailers

11 retailers$1,131 NZD to $3,688 NZD

B+
Cheapest Retailer
-
$1,131 NZD
B+
Retailer 2
-
$1,231 NZD
View
B+
Retailer 3
-
$1,245 NZD
View
B+
Retailer 4
-
$1,265 NZD
View
Final sale: no returns
Retailer 5
-
$1,311 NZD
View
Price last confirmed 21 days ago
B
Retailer 6
-
$1,311 NZD
View
B
Retailer 7
-
$2,074 NZD
View
B
Retailer 8
-
$2,145 NZD
View
B
Retailer 9
-
$3,351 NZD
View
B
Retailer 10
-
$3,688 NZD
View
Most Expensive
MOH London
LG508138559 · Nov 5
$5,510 NZD
£2,439 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $1,131 NZDSave up to $2,556 NZD

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
$1,131 NZD