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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 $273 AUD
HK$1,500 HKD
As of October 29, 2026
Save $185 AUD (40%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $458 AUD 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 $273 to $458, a $185 spread on the same certified stone. Adiamor lists it at $458. 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 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $458 AUD|Low: $273 AUD|High: $1,076 AUD|Avg: $525 AUD
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 5$273 AUD
Retailer 3$301 AUD
Retailer 2$386 AUD
Retailer 4$438 AUD
Retailer 7$439 AUD
Adiamor$458 AUD
Retailer 6$604 AUD
Retailer 9$745 AUD
Retailer 8$1,076 AUD

2 data points across 9 retailers

5 retailers$273 AUD to $458 AUD

A
Cheapest Retailer
-
$273 AUD
HK$1,500 HKD
A
Retailer 2
-
$301 AUD
£166 GBP
View
A
Retailer 3
-
$386 AUD
£214 GBP
View
B+
Retailer 4
-
$438 AUD
$308 USD
View
Most Expensive
B+
Adiamor
D-82827210 · Oct 29
$458 AUD
$322 USD
View
4 more retailers have this diamond
Prices start from $273 AUDSave up to $185 AUD

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
$273 AUD