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Oval|Lab Grown|IGI

1.09ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG849638300

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG849638300

Diamond specifications and retailer prices

From $372 USD
£293 GBP
As of October 30, 2026
Save $338 USD (48%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $710 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.09ct lab-grown oval diamond

This 1.09ct lab-grown oval 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 LG849638300 or 849638300. Listed at 2 retailers as of October 30, 2026, with prices from $372 to $710, a $338 spread on the same certified stone. Brilliant Earth lists it at $710. 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 angle36.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849638300
Dimensions8.39 × 5.80 × 3.60 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.39 mm5.80 mm1.09 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849638300
Side View
Table 60.0%Crown 36.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $710 USD|Low: $372 USD|High: $710 USD|Avg: $541 USD
Brilliant Earth
Retailer 2
October 30, 2026
Retailer 2$372 USD
Brilliant Earth$710 USD

1 data point across 2 retailers

2 retailers$372 USD to $710 USD

A
Cheapest Retailer
-
$372 USD
£293 GBP
Most Expensive
B
Brilliant Earth
22363379A · Oct 30
$710 USD
View
1 more retailer has this diamond
Prices start from $372 USDSave up to $338 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 Oval
$372 USD