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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 €383 EUR
As of November 6, 2026
3 retailers carry this diamond
Most expensive: €682 EUR 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: €682 EUR|Low: €382 EUR|High: €688 EUR|Avg: €562 EUR
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2€383 EUR
Retailer 5€450 EUR
Retailer 4€519 EUR
Retailer 6€572 EUR
Retailer 3€676 EUR
Novita Diamonds€682 EUR

6 data points across 6 retailers

3 retailers

B+
Cheapest Retailer
-
€383 EUR
Final sale: no returns
Retailer 2
-
€572 EUR
View
Price last confirmed 58 days ago
Most Expensive
Novita Diamonds
cert_499115632 · Oct 27
€682 EUR
A$1,177 AUD
View
Price last confirmed 10 days ago
2 more retailers have this diamond
Prices start from €383 EUR

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
€383 EUR