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Princess|Lab Grown|IGI

12.43ct J VS1 Princess Lab Grown Diamond

EX • J/VS1 • IGI LG841630867

Shape and cutting style on the report: Princess cut

Certificate IGI LG841630867

Diamond specifications and retailer prices

From $2,864 CAD
$2,050 USD
As of October 29, 2026
Save $12,293 CAD (81%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $15,156 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 12.43ct lab-grown princess diamond

This 12.43ct lab-grown princess sits in the over five carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841630867 or 841630867. Listed at 3 retailers as of October 29, 2026, with prices from $2,864 to $15,156, a $12,293 spread on the same certified stone. Brilliant Earth lists it at $15,156. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

12.43
Carat
J
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841630867
Dimensions12.79 × 12.68 × 8.69 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.79 mm12.68 mm12.43 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841630867
Side View
Table 70.0%Crown 43.3°Girdle: MediumPavilion 37.9°Culet: NoneDepth 68.5%

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: Oct 29
Current: $15,156 CAD|Low: $2,864 CAD|High: $15,170 CAD|Avg: $8,334 CAD|-0.1%
Brilliant Earth
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$2,864 CAD
Retailer 2$4,096 CAD
Brilliant Earth$15,156 CAD

23 data points across 3 retailers

3 retailers$2,864 CAD to $15,156 CAD

A
Cheapest Retailer
-
$2,864 CAD
$2,050 USD
Final sale: no returns
B+
Retailer 2
-
$4,096 CAD
£2,309 GBP
View
Most Expensive
B
Brilliant Earth
21706122A · Oct 29
$15,156 CAD
$10,850 USD
View
2 more retailers have this diamond
Prices start from $2,864 CADSave up to $12,293 CAD

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
12.43ct Princess
$2,864 CAD