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1.09ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG689560496

Shape and cutting style on the report: Round brilliant

Certificate IGI LG689560496

Diamond specifications and retailer prices

From $838 CAD
$600 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $838 CAD at Brilliant Earth
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 Brilliant Earth

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 LG689560496 or 689560496. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689560496
Dimensions6.63 × 6.67 × 4.04 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.63 mm6.67 mm1.09 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689560496
Side View
Table 59.0%Crown 34.1°Girdle: MediumPavilion 41°Culet: NoneDepth 60.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $1,355 CAD|Low: $333 CAD|High: $1,439 CAD|Avg: $799 CAD|-4.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
March 5, 2026
Retailer 6$333 CAD
Retailer 5$570 CAD
Retailer 7$633 CAD
Retailer 8$656 CAD
Retailer 2$676 CAD
Retailer 4$757 CAD
Retailer 3$867 CAD
Brilliant Earth$1,355 CAD

29 data points across 8 retailers

1 retailer

B
Brilliant Earth
16359708A · Oct 29
$838 CAD
$600 USD
View

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.

B
1.09ct Round
$838 CAD