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Emerald|Lab Grown|IGI

1.51ct H SI2 Emerald Lab Grown Diamond

ID • H/SI2 • IGI LG436044990

Shape and cutting style on the report: Emerald cut

Certificate IGI LG436044990

Diamond specifications and retailer prices

From $1,257 AUD
As of November 4, 2026
Save $5,185 AUD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,442 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.51ct lab-grown emerald diamond

This 1.51ct lab-grown emerald sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436044990 or 436044990. Listed at 10 retailers as of November 4, 2026, with prices from $1,257 to $6,442, a $5,185 spread on the same certified stone. MOH London lists it at $6,442. 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

1.51
Carat
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle24.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436044990
Dimensions7.48 × 5.56 × 3.74 mm
L/W Ratio1.35
Culet sizeLong
Cert comments
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Top View
7.48 mm5.56 mm1.51 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436044990
Side View
Table 67.0%Crown 24.7°Girdle: MediumPavilion 41.1°Culet: LNGDepth 67.3%

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 4
Current: $6,442 AUD|Low: $1,257 AUD|High: $6,546 AUD|Avg: $2,962 AUD|-0.3%
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
November 5, 2026
Retailer 2$1,257 AUD
Retailer 6$1,733 AUD
Retailer 11$1,886 AUD
Retailer 12$1,940 AUD
Retailer 7$2,010 AUD
Retailer 10$2,010 AUD
Retailer 4$2,370 AUD
Retailer 3$2,840 AUD
Retailer 8$3,187 AUD
Retailer 9$3,768 AUD
Retailer 13$3,851 AUD
Retailer 5$4,498 AUD
MOH London$6,442 AUD

18 data points across 13 retailers

10 retailers$1,257 AUD to $6,442 AUD

B+
Cheapest Retailer
-
$1,257 AUD
B
Retailer 2
-
$1,733 AUD
View
B
Retailer 3
-
$1,886 AUD
View
B+
Retailer 4
-
$1,940 AUD
View
Final sale: no returns
B
Retailer 5
-
$2,010 AUD
View
Retailer 6
-
$2,010 AUD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$3,187 AUD
View
B
Retailer 8
-
$3,768 AUD
View
B
Retailer 9
-
$3,851 AUD
View
Most Expensive
B
MOH London
LG436044990 · Nov 5
$6,442 AUD
£3,551 GBP
View
9 more retailers have this diamond
Prices start from $1,257 AUDSave up to $5,185 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.

B+
1.51ct Emerald
$1,257 AUD