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Princess|Lab Grown|IGI

1.31ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG499115632

Shape and cutting style on the report: Princess cut

Certificate IGI LG499115632

Diamond specifications and retailer prices

From $765 NZD
As of November 6, 2026
3 retailers carry this diamond
Most expensive: $1,361 NZD at Novita Diamonds · As of October 27, 2026
View at Novita Diamonds

About this 1.31ct lab-grown princess diamond

This 1.31ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499115632 or 499115632. Listed at 3 retailers as of November 6, 2026. 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

1.31
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499115632
Dimensions5.94 × 5.79 × 4.25 mm
L/W Ratio1.03
Culet sizePointed
Top View
5.94 mm5.79 mm1.31 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499115632
Side View
Table 71.5%Crown 40.3°Girdle: Slightly ThickPavilion 38.6°Culet: NoneDepth 73.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $1,361 NZD|Low: $763 NZD|High: $1,374 NZD|Avg: $1,122 NZD
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2$765 NZD
Retailer 5$898 NZD
Retailer 4$1,035 NZD
Retailer 6$1,142 NZD
Retailer 3$1,350 NZD
Novita Diamonds$1,361 NZD

6 data points across 6 retailers

3 retailers

B+
Cheapest Retailer
-
$765 NZD
Final sale: no returns
Retailer 2
-
$1,142 NZD
View
Price last confirmed 58 days ago
Most Expensive
Novita Diamonds
cert_499115632 · Oct 27
$1,361 NZD
A$1,177 AUD
View
Price last confirmed 10 days ago
2 more retailers have this diamond
Prices start from $765 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.

B+
1.31ct Princess
$765 NZD