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Princess|Lab Grown|IGI

2.50ct J SI1 Princess Lab Grown Diamond

ID • J/SI1 • IGI LG447001242

Shape and cutting style on the report: Princess cut

Certificate IGI LG447001242

Diamond specifications and retailer prices

From $2,590 NZD
$1,460 USD
As of October 31, 2026
Save $12,712 NZD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $15,303 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 2.5ct lab-grown princess diamond

This 2.5ct lab-grown princess sits in the two to three carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447001242 or 447001242. Listed at 12 retailers as of October 31, 2026, with prices from $2,590 to $15,303, a $12,712 spread on the same certified stone. MOH London lists it at $15,303. 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

2.50
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001242
Dimensions7.63 × 7.35 × 5.00 mm
L/W Ratio1.04
Culet sizePointed
Cert comments
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Top View
7.63 mm7.35 mm2.50 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447001242
Side View
Table 75.0%Crown 43.6°Girdle: MED-STKPavilion 37.6°Culet: NoneDepth 68.0%

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: Oct 31
Current: $15,303 NZD|Low: $2,590 NZD|High: $21,605 NZD|Avg: $8,402 NZD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 7$2,590 NZD
Retailer 9$5,204 NZD
Retailer 14$5,662 NZD
Retailer 3$5,827 NZD
Retailer 10$6,038 NZD
Retailer 13$6,038 NZD
Retailer 4$6,317 NZD
Retailer 5$7,292 NZD
Retailer 12$7,544 NZD
Retailer 2$8,441 NZD
Retailer 8$8,675 NZD
Retailer 11$9,388 NZD
MOH London$15,303 NZD
Retailer 6$21,605 NZD

29 data points across 14 retailers

12 retailers$2,590 NZD to $15,303 NZD

A
Cheapest Retailer
-
$2,590 NZD
$1,460 USD
B+
Retailer 2
-
$5,204 NZD
$2,933 USD
View
B+
Retailer 3
-
$5,662 NZD
$3,191 USD
View
B+
Retailer 4
-
$5,827 NZD
$3,284 USD
View
Final sale: no returns
B+
Retailer 5
-
$6,038 NZD
$3,403 USD
View
Retailer 6
-
$6,038 NZD
$3,403 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
$6,317 NZD
$3,560 USD
View
B
Retailer 8
-
$7,544 NZD
$4,252 USD
View
B
Retailer 9
-
$8,441 NZD
£3,746 GBP
View
B
Retailer 10
-
$8,675 NZD
$4,889 USD
View
B
Retailer 11
-
$9,388 NZD
$5,291 USD
View
Most Expensive
B
MOH London
LG447001242 · Nov 1
$15,303 NZD
£6,791 GBP
View
11 more retailers have this diamond
Prices start from $2,590 NZDSave up to $12,712 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
2.50ct Princess
$2,590 NZD