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Princess|Lab Grown|IGI

1.57ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG693513173

Shape and cutting style on the report: Princess cut

Certificate IGI LG693513173

Diamond specifications and retailer prices

From $901 NZD
$508 USD
As of November 1, 2026
Save $1,248 NZD (58%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,150 NZD at MOH London · As of November 1, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG693513173 or 693513173. Listed at 4 retailers as of November 1, 2026, with prices from $901 to $2,150, a $1,248 spread on the same certified stone. MOH London lists it at $2,150. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle39.9°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG693513173
Dimensions6.39 × 6.28 × 4.49 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.39 mm6.28 mm1.57 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG693513173
Side View
Table 73.0%Crown 39.9°Girdle: MediumPavilion 39.2°Culet: NoneDepth 71.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $2,150 NZD|Low: $857 NZD|High: $2,174 NZD|Avg: $1,218 NZD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 3$901 NZD
Retailer 4$960 NZD
Retailer 2$1,009 NZD
MOH London$2,150 NZD

42 data points across 4 retailers

4 retailers$901 NZD to $2,150 NZD

A
Cheapest Retailer
-
$901 NZD
$508 USD
B+
Retailer 2
-
$960 NZD
$541 USD
View
B+
Retailer 3
-
$1,009 NZD
£448 GBP
View
Most Expensive
B
MOH London
LG693513173 · Nov 1
$2,150 NZD
£954 GBP
View
3 more retailers have this diamond
Prices start from $901 NZDSave up to $1,248 NZD

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
$901 NZD