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Round|Lab Grown|IGI

1.09ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG675550843

Shape and cutting style on the report: Round brilliant

Certificate IGI LG675550843

Diamond specifications and retailer prices

From $211 CAD
$151 USD
As of October 29, 2026
Save $1,241 CAD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,452 CAD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG675550843 or 675550843. Listed at 15 retailers as of October 28, 2026, with prices from $211 to $1,452, a $1,241 spread on the same certified stone. Reve Diamonds lists it at $1,452. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675550843
Dimensions6.65 × 6.63 × 4.05 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.65 mm6.63 mm1.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675550843
Side View
Table 59.0%Crown 33.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
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: $455 CAD|Low: $211 CAD|High: $1,452 CAD|Avg: $566 CAD|-6.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Reve Diamonds
October 29, 2026
Retailer 4$211 CAD
Retailer 2$235 CAD
Retailer 3$245 CAD
Retailer 14$262 CAD
Retailer 6$291 CAD
Retailer 12$434 CAD
Retailer 1$455 CAD
Retailer 10$481 CAD
Retailer 7$514 CAD
Retailer 9$712 CAD
Retailer 13$843 CAD
Retailer 11$890 CAD
Retailer 5$921 CAD
Retailer 8$1,234 CAD
Reve Diamonds$1,452 CAD

42 data points across 15 retailers

15 retailers$211 CAD to $1,452 CAD

A
Cheapest Retailer
-
$211 CAD
$151 USD
A
Retailer 2
-
$235 CAD
$168 USD
View
Final sale: no returns
A
Retailer 3
-
$245 CAD
$175 USD
View
A
Retailer 4
-
$262 CAD
$187 USD
View
A
Retailer 5
-
$291 CAD
$208 USD
View
A
Retailer 6
-
$434 CAD
$310 USD
View
A
Retailer 7
-
$455 CAD
£256 GBP
View
A
Retailer 8
-
$481 CAD
$344 USD
View
A
Retailer 9
-
$514 CAD
£289 GBP
View
B+
Retailer 10
-
$712 CAD
$509 USD
View
B
Retailer 11
-
$843 CAD
$602 USD
View
B
Retailer 12
-
$890 CAD
$636 USD
View
B
Retailer 13
-
$921 CAD
$658 USD
View
B
Retailer 14
-
$1,234 CAD
£694 GBP
View
Most Expensive
B
Reve Diamonds
5A1831A79 · Oct 28
$1,452 CAD
$1,038 USD
View
14 more retailers have this diamond
Prices start from $211 CADSave up to $1,241 CAD

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 Round
$211 CAD