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1.09ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG480169940

Shape and cutting style on the report: Round brilliant

Certificate IGI LG480169940

Diamond specifications and retailer prices

From $981 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $981 USD at B2C Jewels
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at B2C Jewels

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG480169940 or 480169940. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480169940
Dimensions6.53 × 6.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.53 mm6.55 mm1.09 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG480169940
Side View
Table 57.5%Crown 35.6°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.4%

Caratlytics Score

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C
Average
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Price History

Last verified: Oct 29
Current: $981 USD|Low: $940 USD|High: $1,590 USD|Avg: $1,183 USD|-38.3%
September 23, 2026
B2C Jewels$981 USD

4 data points across 1 retailer

1 retailer

C
B2C Jewels
19777462 · Oct 29
$981 USD
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C
1.09ct Round
$981 USD