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Radiant|Lab Grown|IGI

1.50ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG544263063

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG544263063

Diamond specifications and retailer prices

From $231 AUD
$162 USD
As of October 30, 2026
Save $1,116 AUD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,347 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.5ct lab-grown radiant diamond

This 1.5ct lab-grown radiant 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 LG544263063 or 544263063. Listed at 18 retailers as of October 29, 2026, with prices from $231 to $1,347, a $1,116 spread on the same certified stone. MOH London lists it at $1,347. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.8°
Pavilion angle30.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544263063
Dimensions7.89 × 5.64 × 3.76 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.89 mm5.64 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544263063
Side View
Table 67.0%Crown 47.8°Girdle: Slightly ThickPavilion 30.3°Culet: NoneDepth 66.7%

Caratlytics Score

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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: Oct 30
Current: $1,347 AUD|Low: $222 AUD|High: $1,356 AUD|Avg: $586 AUD|+0.4%
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 30, 2026
Retailer 11$231 AUD
Retailer 3$268 AUD
Retailer 4$286 AUD
Retailer 12$286 AUD
Retailer 2$368 AUD
Retailer 13$391 AUD
Retailer 7$506 AUD
Retailer 8$517 AUD
Retailer 9$519 AUD
Retailer 5$659 AUD
Retailer 14$921 AUD
Retailer 6$925 AUD
Retailer 10$972 AUD
MOH London$1,347 AUD

44 data points across 14 retailers

18 retailers$231 AUD to $1,347 AUD

A
Cheapest Retailer
-
$231 AUD
$162 USD
A
Retailer 2
-
$268 AUD
$188 USD
View
A
Retailer 3
-
$286 AUD
$201 USD
View
A
Retailer 4
-
$286 AUD
$201 USD
View
A
Retailer 5
-
$328 AUD
HK$1,800 HKD
View
A
Retailer 6
-
$368 AUD
£203 GBP
View
B+
Retailer 7
-
$391 AUD
$275 USD
View
A
Retailer 8
-
$506 AUD
£280 GBP
View
A
Retailer 9
-
$517 AUD
£286 GBP
View
A
Retailer 10
-
$519 AUD
€347 EUR
View
A
Retailer 11
-
$621 AUD
$436 USD
View
B+
Retailer 12
-
$659 AUD
$463 USD
View
B+
Retailer 13
-
$921 AUD
$647 USD
View
B+
Retailer 14
-
$925 AUD
View
B+
Retailer 15
-
$944 AUD
SGD 896 SGD
View
B
Retailer 16
-
$972 AUD
$683 USD
View
Most Expensive
B
MOH London
LG544263063 · Oct 29
$1,347 AUD
£745 GBP
View
16 more retailers have this diamond
Prices start from $231 AUDSave up to $1,116 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 Radiant
$231 AUD