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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 $203 SGD
$159 USD
As of October 30, 2026
Save $577 SGD (74%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $780 SGD at Brilliant Earth · As of October 29, 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 October 29, 2026, with prices from $203 to $780, a $577 spread on the same certified stone. Brilliant Earth lists it at $780. 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: Oct 30
Current: $780 SGD|Low: $203 SGD|High: $780 SGD|Avg: $507 SGD
Brilliant Earth
Retailer 2
Retailer 3
October 31, 2026
Retailer 3$203 SGD
Retailer 2$403 SGD
Brilliant Earth$780 SGD

27 data points across 3 retailers

3 retailers$203 SGD to $780 SGD

A
Cheapest Retailer
-
$203 SGD
$159 USD
Final sale: no returns
A
Retailer 2
-
$403 SGD
£248 GBP
View
Most Expensive
B
Brilliant Earth
21612891A · Oct 29
$780 SGD
$610 USD
View
2 more retailers have this diamond
Prices start from $203 SGDSave up to $577 SGD

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
$203 SGD