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Princess|Lab Grown|IGI

10.42ct F VS1 Princess Lab Grown Diamond

EX • F/VS1 • IGI LG831659420

Shape and cutting style on the report: Princess cut

Certificate IGI LG831659420

Diamond specifications and retailer prices

From $3,019 CAD
$2,161 USD
As of November 1, 2026
Save $17,404 CAD (85%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $20,423 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 10.42ct lab-grown princess diamond

This 10.42ct lab-grown princess sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831659420 or 831659420. Listed at 3 retailers as of October 31, 2026, with prices from $3,019 to $20,423, a $17,404 spread on the same certified stone. Brilliant Earth lists it at $20,423. 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

10.42
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831659420
Dimensions12.28 × 12.04 × 8.09 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.28 mm12.04 mm10.42 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831659420
Side View
Table 71.0%Crown 43.4°Girdle: MediumPavilion 37.5°Culet: NoneDepth 67.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $20,423 CAD|Low: $3,019 CAD|High: $23,272 CAD|Avg: $10,352 CAD|-12.2%
Brilliant Earth
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$3,019 CAD
Retailer 2$4,340 CAD
Brilliant Earth$20,423 CAD

38 data points across 3 retailers

3 retailers$3,019 CAD to $20,423 CAD

A
Cheapest Retailer
-
$3,019 CAD
$2,161 USD
Final sale: no returns
A
Retailer 2
-
$4,340 CAD
£2,446 GBP
View
Most Expensive
B
Brilliant Earth
21232788A · Oct 31
$20,423 CAD
$14,620 USD
View
2 more retailers have this diamond
Prices start from $3,019 CADSave up to $17,404 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
10.42ct Princess
$3,019 CAD