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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 HK$4,990 HKD
As of November 6, 2026
Save HK$11,274 HKD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$24,301 HKD 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: HK$24,301 HKD|Low: HK$4,786 HKD|High: HK$24,659 HKD|Avg: HK$9,629 HKD|-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 6HK$4,990 HKD
Retailer 11HK$5,429 HKD
Retailer 4HK$5,492 HKD
Retailer 3HK$5,578 HKD
Retailer 7HK$5,782 HKD
Retailer 10HK$5,782 HKD
Retailer 2HK$9,148 HKD
Retailer 8HK$9,461 HKD
Retailer 5HK$14,780 HKD
Retailer 9HK$16,263 HKD
MOH LondonHK$24,301 HKD

45 data points across 11 retailers

11 retailersHK$4,990 HKD to HK$16,263 HKD

B+
Cheapest Retailer
-
HK$4,990 HKD
B+
Retailer 2
-
HK$5,429 HKD
View
B+
Retailer 3
-
HK$5,492 HKD
View
B+
Retailer 4
-
HK$5,578 HKD
View
Final sale: no returns
Retailer 5
-
HK$5,782 HKD
View
Price last confirmed 21 days ago
B
Retailer 6
-
HK$5,782 HKD
View
B
Retailer 7
-
HK$9,148 HKD
View
B
Retailer 8
-
HK$9,461 HKD
View
B
Retailer 9
-
HK$14,780 HKD
View
B
Retailer 10
-
HK$16,263 HKD
View
Most Expensive
MOH London
LG508138559 · Nov 5
HK$24,301 HKD
£2,439 GBP
View
Price under review
10 more retailers have this diamond
Prices start from HK$4,990 HKDSave up to HK$11,274 HKD

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
HK$4,990 HKD