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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 $287 NZD
As of November 6, 2026
Save $777 NZD (73%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,064 NZD 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 $287 to $1,064, a $777 spread on the same certified stone. Brilliant Earth lists it at $1,064. 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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $1,064 NZD|Low: $287 NZD|High: $1,624 NZD|Avg: $903 NZD|-34.4%
Brilliant Earth
Retailer 2
Retailer 3
November 3, 2026
Retailer 3$287 NZD
Retailer 2$563 NZD
Brilliant Earth$1,064 NZD

30 data points across 3 retailers

3 retailers$287 NZD to $1,064 NZD

A
Cheapest Retailer
-
$287 NZD
Final sale: no returns
A
Retailer 2
-
$563 NZD
View
Most Expensive
B+
Brilliant Earth
21583550A · Nov 2
$1,064 NZD
$590 USD
View
2 more retailers have this diamond
Prices start from $287 NZDSave up to $777 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
1.05ct Princess
$287 NZD