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Princess|Lab Grown|IGI

1.50ct I SI1 Princess Lab Grown Diamond

ID • I/SI1 • IGI LG447099083

Shape and cutting style on the report: Princess cut

Certificate IGI LG447099083

Diamond specifications and retailer prices

From $1,257 AUD
As of November 4, 2026
Save $5,624 AUD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,881 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.5ct lab-grown princess diamond

This 1.5ct lab-grown princess sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447099083 or 447099083. Listed at 11 retailers as of November 4, 2026, with prices from $1,257 to $6,881, a $5,624 spread on the same certified stone. MOH London lists it at $6,881. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle42°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447099083
Dimensions6.38 × 6.16 × 4.54 mm
L/W Ratio1.04
Culet sizePointed
Cert comments
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Top View
6.38 mm6.16 mm1.50 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG447099083
Side View
Table 71.5%Crown 42°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 73.7%

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 4
Current: $6,881 AUD|Low: $1,257 AUD|High: $6,992 AUD|Avg: $3,322 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
November 5, 2026
Retailer 2$1,257 AUD
Retailer 4$1,851 AUD
Retailer 6$2,071 AUD
Retailer 8$2,117 AUD
Retailer 3$2,336 AUD
Retailer 7$2,393 AUD
Retailer 10$2,960 AUD
Retailer 5$3,398 AUD
Retailer 9$4,003 AUD
Retailer 11$6,148 AUD
MOH London$6,881 AUD

13 data points across 11 retailers

11 retailers$1,257 AUD to $6,881 AUD

A
Cheapest Retailer
-
$1,257 AUD
B+
Retailer 2
-
$1,851 AUD
View
B+
Retailer 3
-
$2,014 AUD
View
B+
Retailer 4
-
$2,071 AUD
View
Final sale: no returns
B+
Retailer 5
-
$2,147 AUD
View
Retailer 6
-
$2,147 AUD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$2,393 AUD
View
B
Retailer 8
-
$3,398 AUD
View
B
Retailer 9
-
$4,003 AUD
View
B
Retailer 10
-
$4,024 AUD
View
Most Expensive
B
MOH London
LG447099083 · Nov 5
$6,881 AUD
£3,793 GBP
View
10 more retailers have this diamond
Prices start from $1,257 AUDSave up to $5,624 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 Princess
$1,257 AUD