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Princess|Lab Grown|IGI

1.05ct F SI1 Princess Lab Grown Diamond

EX • F/SI1 • IGI LG839636585

Shape and cutting style on the report: Princess cut

Certificate IGI LG839636585

Diamond specifications and retailer prices

From $227 AUD
As of November 6, 2026
Save $616 AUD (73%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $843 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.05ct lab-grown princess diamond

This 1.05ct lab-grown princess sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG839636585 or 839636585. Listed at 3 retailers as of November 2, 2026, with prices from $227 to $843, a $616 spread on the same certified stone. Brilliant Earth lists it at $843. 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

1.05
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839636585
Dimensions5.54 × 5.46 × 4.01 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.54 mm5.46 mm1.05 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839636585
Side View
Table 68.0%Crown 39°Girdle: Slightly ThickPavilion 39.6°Culet: NoneDepth 73.4%

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: $843 AUD|Low: $227 AUD|High: $1,286 AUD|Avg: $715 AUD|-34.4%
Brilliant Earth
Retailer 2
Retailer 3
November 3, 2026
Retailer 3$227 AUD
Retailer 2$446 AUD
Brilliant Earth$843 AUD

30 data points across 3 retailers

3 retailers$227 AUD to $843 AUD

A
Cheapest Retailer
-
$227 AUD
Final sale: no returns
A
Retailer 2
-
$446 AUD
View
Most Expensive
B+
Brilliant Earth
21583550A · Nov 2
$843 AUD
$590 USD
View
2 more retailers have this diamond
Prices start from $227 AUDSave up to $616 AUD

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
1.05ct Princess
$227 AUD