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 $192 USD
HK$1,500 HKD
As of October 29, 2026
Save $130 USD (40%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $322 USD 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 $192 to $322, a $130 spread on the same certified stone. Adiamor lists it at $322. 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

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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: $322 USD|Low: $192 USD|High: $756 USD|Avg: $369 USD
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5$192 USD
Retailer 2$211 USD
Retailer 3$272 USD
Retailer 4$308 USD
Retailer 7$309 USD
Adiamor$322 USD
Retailer 6$424 USD
Retailer 9$524 USD
Retailer 8$756 USD

3 data points across 9 retailers

5 retailers$192 USD to $322 USD

A
Cheapest Retailer
-
$192 USD
HK$1,500 HKD
A
Retailer 2
-
$211 USD
£166 GBP
View
A
Retailer 3
-
$272 USD
£214 GBP
View
B+
Retailer 4
-
$308 USD
View
Most Expensive
B+
Adiamor
D-82827210 · Oct 29
$322 USD
View
4 more retailers have this diamond
Prices start from $192 USDSave up to $130 USD

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
$192 USD