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Princess|Lab Grown|IGI

2.31ct K SI1 Princess Lab Grown Diamond

ID • K/SI1 • IGI LG451055501

Shape and cutting style on the report: Princess cut

Certificate IGI LG451055501

Diamond specifications and retailer prices

From $1,946 USD
As of November 6, 2026
Save $4,481 USD (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,427 USD at MOH London · As of November 5, 2026
View at MOH London

About this 2.31ct lab-grown princess diamond

This 2.31ct lab-grown princess sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451055501 or 451055501. Listed at 9 retailers as of November 5, 2026, with prices from $1,946 to $6,427, a $4,481 spread on the same certified stone. MOH London lists it at $6,427. 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

2.31
Carat
K
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055501
Dimensions7.27 × 7.25 × 5.03 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
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Top View
7.27 mm7.25 mm2.31 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055501
Side View
Table 72.0%Crown 44.7°Girdle: MediumPavilion 38.2°Culet: NoneDepth 69.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,427 USD|Low: $1,946 USD|High: $8,077 USD|Avg: $4,325 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4$1,946 USD
Retailer 2$2,425 USD
Retailer 6$2,911 USD
Retailer 5$3,533 USD
Retailer 3$3,706 USD
MOH London$6,427 USD
Retailer 7$8,077 USD

18 data points across 7 retailers

9 retailers$1,946 USD to $6,427 USD

A
Cheapest Retailer
-
$1,946 USD
A
Retailer 2
-
$2,117 USD
View
A
Retailer 3
-
$2,257 USD
View
Retailer 4
-
$2,257 USD
View
Price last confirmed 26 days ago
A
Retailer 5
-
$2,425 USD
View
B+
Retailer 6
-
$3,102 USD
View
B+
Retailer 7
-
$3,533 USD
View
B+
Retailer 8
-
$3,706 USD
View
Most Expensive
B
MOH London
LG451055501 · Nov 5
$6,427 USD
£5,061 GBP
View
8 more retailers have this diamond
Prices start from $1,946 USDSave up to $4,481 USD

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
2.31ct Princess
$1,946 USD