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Emerald|Lab Grown|IGI

1.18ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • IGI LG436045918

Shape and cutting style on the report: Emerald cut

Certificate IGI LG436045918

Diamond specifications and retailer prices

From HK$5,248 HKD
As of November 6, 2026
Save HK$20,407 HKD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$25,656 HKD at MOH London · As of November 3, 2026
View at MOH London

About this 1.18ct lab-grown emerald diamond

This 1.18ct lab-grown emerald sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045918 or 436045918. Listed at 10 retailers as of November 3, 2026, with prices from HK$5,248 to HK$25,656, a HK$20,407 spread on the same certified stone. MOH London lists it at HK$25,656. 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

1.18
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle21.4°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045918
Dimensions7.34 × 5.02 × 3.32 mm
L/W Ratio1.46
Culet sizeLong
Cert comments
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Top View
7.34 mm5.02 mm1.18 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045918
Side View
Table 62.5%Crown 21.4°Girdle: STK-THKPavilion 41.6°Culet: LNGDepth 66.1%

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: Nov 6
Current: HK$25,656 HKD|Low: HK$5,037 HKD|High: HK$25,995 HKD|Avg: HK$10,334 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 7HK$5,248 HKD
Retailer 2HK$5,335 HKD
Retailer 12HK$5,711 HKD
Retailer 8HK$6,088 HKD
Retailer 11HK$6,088 HKD
Retailer 5HK$7,492 HKD
Retailer 4HK$8,010 HKD
Retailer 3HK$9,775 HKD
Retailer 9HK$9,916 HKD
Retailer 6HK$15,557 HKD
Retailer 10HK$17,126 HKD
MOH LondonHK$25,656 HKD

22 data points across 12 retailers

10 retailersHK$5,248 HKD to HK$25,656 HKD

A
Cheapest Retailer
-
HK$5,248 HKD
A
Retailer 2
-
HK$5,335 HKD
View
A
Retailer 3
-
HK$5,711 HKD
View
A
Retailer 4
-
HK$6,088 HKD
View
Retailer 5
-
HK$6,088 HKD
View
Price last confirmed 21 days ago
A
Retailer 6
-
HK$7,492 HKD
View
B+
Retailer 7
-
HK$9,916 HKD
View
B
Retailer 8
-
HK$15,557 HKD
View
B
Retailer 9
-
HK$17,126 HKD
View
Most Expensive
B
MOH London
LG436045918 · Nov 3
HK$25,656 HKD
£2,575 GBP
View
9 more retailers have this diamond
Prices start from HK$5,248 HKDSave up to HK$20,407 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.

A
1.18ct Emerald
HK$5,248 HKD