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Princess|Lab Grown|IGI

1.09ct E SI1 Princess Lab Grown Diamond

EX • E/SI1 • IGI LG840655328

Shape and cutting style on the report: Princess cut

Certificate IGI LG840655328

Diamond specifications and retailer prices

From $283 NZD
As of November 4, 2026
Save $802 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 LG840655328 or 840655328. Listed at 3 retailers as of November 2, 2026, with prices from $283 to $1,085, a $802 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 angle42.2°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840655328
Dimensions5.60 × 5.56 × 4.00 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.60 mm5.56 mm1.09 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840655328
Side View
Table 68.0%Crown 42.2°Girdle: Slightly ThickPavilion 38.1°Culet: NoneDepth 71.9%

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: $283 NZD|High: $1,085 NZD|Avg: $697 NZD
Brilliant Earth
Retailer 2
Retailer 3
November 3, 2026
Retailer 3$283 NZD
Retailer 2$555 NZD
Brilliant Earth$1,085 NZD

30 data points across 3 retailers

3 retailers$283 NZD to $1,085 NZD

A
Cheapest Retailer
-
$283 NZD
Final sale: no returns
A
Retailer 2
-
$555 NZD
View
Most Expensive
B
Brilliant Earth
21612891A · Nov 2
$1,085 NZD
$610 USD
View
2 more retailers have this diamond
Prices start from $283 NZDSave up to $802 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
$283 NZD