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Pear|Lab Grown|IGI

1.09ct E SI1 Pear Lab Grown Diamond

EX • E/SI1 • IGI LG645400991

Shape and cutting style on the report: Pear brilliant

Certificate IGI LG645400991

Diamond specifications and retailer prices

From $269 CAD
HK$1,500 HKD
As of October 29, 2026
Save $182 CAD (40%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $451 CAD at Adiamor · As of October 29, 2026
View at Adiamor

About this 1.09ct lab-grown pear diamond

This 1.09ct lab-grown pear 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 LG645400991 or 645400991. Listed at 5 retailers as of October 29, 2026, with prices from $269 to $451, a $182 spread on the same certified stone. Adiamor lists it at $451. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645400991
Dimensions9.24 × 5.67 × 3.59 mm
L/W Ratio1.63
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.24 mm5.67 mm1.09 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645400991
Side View
Table 57.0%Crown 34.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $451 CAD|Low: $269 CAD|High: $1,058 CAD|Avg: $516 CAD
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 5$269 CAD
Retailer 3$296 CAD
Retailer 2$380 CAD
Retailer 4$431 CAD
Retailer 7$432 CAD
Adiamor$451 CAD
Retailer 6$593 CAD
Retailer 9$733 CAD
Retailer 8$1,058 CAD

2 data points across 9 retailers

5 retailers$269 CAD to $451 CAD

A
Cheapest Retailer
-
$269 CAD
HK$1,500 HKD
A
Retailer 2
-
$296 CAD
£166 GBP
View
A
Retailer 3
-
$380 CAD
£214 GBP
View
B+
Retailer 4
-
$431 CAD
$308 USD
View
Most Expensive
B+
Adiamor
D-82827210 · Oct 29
$451 CAD
$322 USD
View
4 more retailers have this diamond
Prices start from $269 CADSave up to $182 CAD

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 Pear
$269 CAD