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Emerald|Lab Grown|IGI

1.03ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • IGI LG436045726

Shape and cutting style on the report: Emerald cut

Certificate IGI LG436045726

Diamond specifications and retailer prices

From $840 AUD
As of November 6, 2026
Save $1,898 AUD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,526 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 1.03ct lab-grown emerald diamond

This 1.03ct 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 LG436045726 or 436045726. 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

1.03
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.4°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045726
Dimensions6.78 × 4.60 × 3.13 mm
L/W Ratio1.47
Culet sizeLong
Cert comments
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Top View
6.78 mm4.60 mm1.03 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436045726
Side View
Table 64.5%Crown 23.4°Girdle: ThickPavilion 37.6°Culet: LNGDepth 68.0%

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: $4,526 AUD|Low: $806 AUD|High: $4,574 AUD|Avg: $1,710 AUD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 26, 2026
Retailer 7$840 AUD
Retailer 8$886 AUD
Retailer 13$940 AUD
Retailer 14$940 AUD
Retailer 9$1,041 AUD
Retailer 12$1,041 AUD
Retailer 6$1,223 AUD
Retailer 3$1,229 AUD
Retailer 10$1,598 AUD
Retailer 4$1,647 AUD
Retailer 2$2,583 AUD
Retailer 11$2,738 AUD
Retailer 5$2,787 AUD
MOH London$4,526 AUD

13 data points across 14 retailers

11 retailers$840 AUD to $2,738 AUD

A
Cheapest Retailer
-
$840 AUD
A
Retailer 2
-
$886 AUD
View
A
Retailer 3
-
$940 AUD
View
Final sale: no returns
A
Retailer 4
-
$940 AUD
View
A
Retailer 5
-
$1,041 AUD
View
Retailer 6
-
$1,041 AUD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
$1,229 AUD
View
B+
Retailer 8
-
$1,598 AUD
View
B
Retailer 9
-
$2,583 AUD
View
B
Retailer 10
-
$2,738 AUD
View
Most Expensive
MOH London
LG436045726 · Oct 26
$4,526 AUD
£2,495 GBP
View
Price last confirmed 10 days ago
10 more retailers have this diamond
Prices start from $840 AUDSave up to $1,898 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
1.03ct Emerald
$840 AUD