CaratHunter
Plans
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 $956 AUD
As of November 6, 2026
Save $3,716 AUD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,672 AUD 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 $956 to $4,672, a $3,716 spread on the same certified stone. MOH London lists it at $4,672. 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
undefined
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: $4,672 AUD|Low: $917 AUD|High: $4,733 AUD|Avg: $1,882 AUD
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$956 AUD
Retailer 2$971 AUD
Retailer 12$1,040 AUD
Retailer 8$1,109 AUD
Retailer 11$1,109 AUD
Retailer 5$1,364 AUD
Retailer 4$1,458 AUD
Retailer 3$1,780 AUD
Retailer 9$1,806 AUD
Retailer 6$2,833 AUD
Retailer 10$3,118 AUD
MOH London$4,672 AUD

22 data points across 12 retailers

10 retailers$956 AUD to $4,672 AUD

A
Cheapest Retailer
-
$956 AUD
A
Retailer 2
-
$971 AUD
View
A
Retailer 3
-
$1,040 AUD
View
A
Retailer 4
-
$1,109 AUD
View
Retailer 5
-
$1,109 AUD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$1,364 AUD
View
B+
Retailer 7
-
$1,806 AUD
View
B
Retailer 8
-
$2,833 AUD
View
B
Retailer 9
-
$3,118 AUD
View
Most Expensive
B
MOH London
LG436045918 · Nov 3
$4,672 AUD
£2,575 GBP
View
9 more retailers have this diamond
Prices start from $956 AUDSave up to $3,716 AUD

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
$956 AUD