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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 $855 SGD
As of November 6, 2026
Save $3,323 SGD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,177 SGD 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 $855 to $4,177, a $3,323 spread on the same certified stone. MOH London lists it at $4,177. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,177 SGD|Low: $820 SGD|High: $4,232 SGD|Avg: $1,682 SGD
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 7$855 SGD
Retailer 2$869 SGD
Retailer 12$930 SGD
Retailer 8$991 SGD
Retailer 11$991 SGD
Retailer 5$1,220 SGD
Retailer 4$1,304 SGD
Retailer 3$1,592 SGD
Retailer 9$1,615 SGD
Retailer 6$2,533 SGD
Retailer 10$2,788 SGD
MOH London$4,177 SGD

22 data points across 12 retailers

10 retailers$855 SGD to $4,177 SGD

A
Cheapest Retailer
-
$855 SGD
A
Retailer 2
-
$869 SGD
View
A
Retailer 3
-
$930 SGD
View
A
Retailer 4
-
$991 SGD
View
Retailer 5
-
$991 SGD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$1,220 SGD
View
B+
Retailer 7
-
$1,615 SGD
View
B
Retailer 8
-
$2,533 SGD
View
B
Retailer 9
-
$2,788 SGD
View
Most Expensive
B
MOH London
LG436045918 · Nov 3
$4,177 SGD
£2,575 GBP
View
9 more retailers have this diamond
Prices start from $855 SGDSave up to $3,323 SGD

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
$855 SGD