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Princess|Lab Grown|IGI

1.09ct E SI1 Princess Lab Grown Diamond

EX • E/SI1 • IGI LG846630808

Shape and cutting style on the report: Princess cut

Certificate IGI LG846630808

Diamond specifications and retailer prices

From $286 NZD
As of November 4, 2026
Save $799 NZD (74%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,085 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.09ct lab-grown princess diamond

This 1.09ct lab-grown princess sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG846630808 or 846630808. Listed at 3 retailers as of November 2, 2026, with prices from $286 to $1,085, a $799 spread on the same certified stone. Brilliant Earth lists it at $1,085. 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

1.09
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846630808
Dimensions5.62 × 5.55 × 3.95 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.62 mm5.55 mm1.09 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846630808
Side View
Table 70.0%Crown 41.5°Girdle: MediumPavilion 37.9°Culet: NoneDepth 71.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $1,085 NZD|Low: $286 NZD|High: $1,085 NZD|Avg: $693 NZD
Brilliant Earth
Retailer 2
Retailer 3
November 3, 2026
Retailer 3$286 NZD
Retailer 2$566 NZD
Brilliant Earth$1,085 NZD

18 data points across 3 retailers

3 retailers$286 NZD to $1,085 NZD

A
Cheapest Retailer
-
$286 NZD
Final sale: no returns
A
Retailer 2
-
$566 NZD
View
Most Expensive
B
Brilliant Earth
22151087A · Nov 2
$1,085 NZD
$610 USD
View
2 more retailers have this diamond
Prices start from $286 NZDSave up to $799 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
1.09ct Princess
$286 NZD