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Princess|Lab Grown|IGI

1.57ct I SI1 Princess Lab Grown Diamond

ID • I/SI1 • IGI LG440012079

Shape and cutting style on the report: Princess cut

Certificate IGI LG440012079

Diamond specifications and retailer prices

From $1,314 AUD
As of November 4, 2026
Save $5,881 AUD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,195 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.57ct lab-grown princess diamond

This 1.57ct 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 LG440012079 or 440012079. Listed at 10 retailers as of November 4, 2026, with prices from $1,314 to $7,195, a $5,881 spread on the same certified stone. MOH London lists it at $7,195. 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

1.57
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle45.5°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440012079
Dimensions6.34 × 6.23 × 4.60 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
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Top View
6.34 mm6.23 mm1.57 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG440012079
Side View
Table 69.5%Crown 45.5°Girdle: Slightly ThickPavilion 38.4°Culet: NoneDepth 73.8%

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: $7,195 AUD|Low: $1,314 AUD|High: $7,311 AUD|Avg: $3,605 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 2$1,314 AUD
Retailer 3$1,936 AUD
Retailer 5$2,493 AUD
Retailer 7$3,081 AUD
Retailer 4$3,548 AUD
Retailer 6$4,186 AUD
MOH London$7,195 AUD

12 data points across 7 retailers

10 retailers$1,314 AUD to $7,195 AUD

A
Cheapest Retailer
-
$1,314 AUD
B+
Retailer 2
-
$1,936 AUD
View
B+
Retailer 3
-
$2,106 AUD
View
B+
Retailer 4
-
$2,246 AUD
View
Retailer 5
-
$2,246 AUD
View
Price last confirmed 25 days ago
B
Retailer 6
-
$2,493 AUD
View
B
Retailer 7
-
$3,548 AUD
View
B
Retailer 8
-
$4,186 AUD
View
B
Retailer 9
-
$4,208 AUD
View
Most Expensive
B
MOH London
LG440012079 · Nov 5
$7,195 AUD
£3,966 GBP
View
9 more retailers have this diamond
Prices start from $1,314 AUDSave up to $5,881 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
1.57ct Princess
$1,314 AUD