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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 $341 NZD
HK$1,500 HKD
As of October 30, 2026
Save $231 NZD (40%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $571 NZD at Adiamor · As of October 30, 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 30, 2026, with prices from $341 to $571, a $231 spread on the same certified stone. Adiamor lists it at $571. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $571 NZD|Low: $341 NZD|High: $1,342 NZD|Avg: $654 NZD
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5$341 NZD
Retailer 2$374 NZD
Retailer 3$483 NZD
Retailer 4$546 NZD
Retailer 7$548 NZD
Adiamor$571 NZD
Retailer 6$752 NZD
Retailer 9$929 NZD
Retailer 8$1,342 NZD

3 data points across 9 retailers

5 retailers$341 NZD to $571 NZD

A
Cheapest Retailer
-
$341 NZD
HK$1,500 HKD
A
Retailer 2
-
$374 NZD
£166 GBP
View
A
Retailer 3
-
$483 NZD
£214 GBP
View
B+
Retailer 4
-
$546 NZD
$308 USD
View
Most Expensive
B+
Adiamor
D-82827210 · Oct 30
$571 NZD
$322 USD
View
4 more retailers have this diamond
Prices start from $341 NZDSave up to $231 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 Pear
$341 NZD