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Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG681584379

Shape and cutting style on the report: Round brilliant

Certificate IGI LG681584379

Diamond specifications and retailer prices

From $251 AUD
As of November 5, 2026
Save $1,202 AUD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,453 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG681584379 or 681584379. Listed at 14 retailers as of November 5, 2026, with prices from $251 to $1,453, a $1,202 spread on the same certified stone. MOH London lists it at $1,453. 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

1.50
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681584379
Dimensions7.32 × 7.36 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.32 mm7.36 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681584379
Side View
Table 58.0%Crown 35.3°Girdle: MediumPavilion 41°Culet: NoneDepth 61.5%

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 5
Current: $1,453 AUD|Low: $251 AUD|High: $1,800 AUD|Avg: $793 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
Retailer 15
Retailer 16
November 6, 2026
Retailer 13$251 AUD
Retailer 12$291 AUD
Retailer 6$311 AUD
Retailer 3$347 AUD
Retailer 9$534 AUD
Retailer 14$534 AUD
Retailer 2$551 AUD
Retailer 4$554 AUD
Retailer 16$587 AUD
Retailer 15$683 AUD
Retailer 5$1,003 AUD
Retailer 10$1,021 AUD
Retailer 11$1,059 AUD
MOH London$1,453 AUD
Retailer 7$1,520 AUD
Retailer 8$1,800 AUD

10 data points across 16 retailers

14 retailers$251 AUD to $1,453 AUD

A
Cheapest Retailer
-
$251 AUD
A
Retailer 2
-
$291 AUD
View
A
Retailer 3
-
$311 AUD
View
A
Retailer 4
-
$347 AUD
View
A
Retailer 5
-
$534 AUD
View
Retailer 6
-
$534 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$551 AUD
View
B+
Retailer 8
-
$554 AUD
View
A
Retailer 9
-
$587 AUD
View
A
Retailer 10
-
$683 AUD
View
B+
Retailer 11
-
$1,003 AUD
View
B+
Retailer 12
-
$1,021 AUD
View
B
Retailer 13
-
$1,059 AUD
View
Most Expensive
B
MOH London
LG681584379 · Nov 5
$1,453 AUD
£801 GBP
View
13 more retailers have this diamond
Prices start from $251 AUDSave up to $1,202 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
1.50ct Round
$251 AUD