CaratHunter
Plans
Princess|Lab Grown|IGI

2.42ct J SI1 Princess Lab Grown Diamond

EX • J/SI1 • IGI LG12838712

Shape and cutting style on the report: Square modified brilliant

Certificate IGI LG12838712

Diamond specifications and retailer prices

From $2,856 NZD
CA$2,236 CAD
As of October 30, 2026
Save $1,265 NZD (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,122 NZD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 2.42ct lab-grown princess diamond

This 2.42ct 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 LG12838712 or 12838712. Listed at 2 retailers as of October 30, 2026, with prices from $2,856 to $4,122, a $1,265 spread on the same certified stone. The Diamond Guys lists it at $4,122. 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

2.42
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
Crown angle41.3°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12838712
Dimensions7.57 × 7.42 × 4.97 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment.
Top View
7.57 mm7.42 mm2.42 ctJ / SI1
OriginLab Grown
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI LG12838712
Side View
Table 75.5%Crown 41.3°Girdle: Slightly ThickPavilion 37.5°Culet: NoneDepth 67.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,421 NZD|Low: $861 NZD|High: $4,122 NZD|Avg: $2,208 NZD|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
The Diamond Guys
September 5, 2026
Retailer 2$861 NZD
Retailer 4$1,189 NZD
Retailer 1$1,421 NZD
Retailer 3$2,856 NZD
The Diamond Guys$4,122 NZD

19 data points across 5 retailers

2 retailers$2,856 NZD to $4,122 NZD

B+
Cheapest Retailer
-
$2,856 NZD
CA$2,236 CAD
Most Expensive
B+
The Diamond Guys
1779253033 · Nov 1
$4,122 NZD
$2,323 USD
View
1 more retailer has this diamond
Prices start from $2,856 NZDSave up to $1,265 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+
2.42ct Princess
$2,856 NZD