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Round|Lab Grown|IGI

1.09ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG683545138

Shape and cutting style on the report: Round brilliant

Certificate IGI LG683545138

Diamond specifications and retailer prices

From $214 CAD
$153 USD
As of October 29, 2026
Save $1,245 CAD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,459 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 LG683545138 or 683545138. Listed at 22 retailers as of October 28, 2026, with prices from $214 to $1,459, a $1,245 spread on the same certified stone. Reve Diamonds lists it at $1,459. 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 angle34.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683545138
Dimensions6.62 × 6.59 × 4.07 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
6.62 mm6.59 mm1.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683545138
Side View
Table 58.0%Crown 34.7°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.6%

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: $460 CAD|Low: $168 CAD|High: $1,459 CAD|Avg: $631 CAD|+7.2%
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
Retailer 15
Retailer 16
Reve Diamonds
October 29, 2026
Retailer 5$214 CAD
Retailer 15$239 CAD
Retailer 3$265 CAD
Retailer 16$265 CAD
Retailer 8$434 CAD
Retailer 1$460 CAD
Retailer 2$484 CAD
Retailer 9$517 CAD
Retailer 7$588 CAD
Retailer 14$610 CAD
Retailer 11$699 CAD
Retailer 13$714 CAD
Retailer 6$852 CAD
Retailer 10$900 CAD
Retailer 4$929 CAD
Retailer 12$1,246 CAD
Reve Diamonds$1,459 CAD

44 data points across 17 retailers

22 retailers$214 CAD to $1,459 CAD

A
Retailer 1
-
$211 CAD
$151 USD
Price last confirmed 37 days ago
A
Retailer 2
-
$214 CAD
$153 USD
View
A
Retailer 3
-
$239 CAD
$171 USD
View
Final sale: no returns
A
Retailer 4
-
$246 CAD
$176 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$259 CAD
$185 USD
View
Price last confirmed 37 days ago
A
Retailer 6
-
$265 CAD
$189 USD
View
A
Retailer 7
-
$265 CAD
$189 USD
View
A
Retailer 8
-
$434 CAD
$310 USD
View
A
Retailer 9
-
$460 CAD
£259 GBP
View
B+
Retailer 10
-
$484 CAD
$346 USD
View
B+
Retailer 11
-
$517 CAD
€352 EUR
View
B+
Retailer 12
-
$588 CAD
$420 USD
View
B+
Retailer 13
-
$610 CAD
$436 USD
View
B
Retailer 14
-
$699 CAD
A$768 AUD
View
B+
Retailer 15
-
$714 CAD
$510 USD
View
Price last confirmed 13 days ago
B+
Retailer 16
-
$721 CAD
$515 USD
View
B
Retailer 17
-
$845 CAD
$604 USD
View
Price last confirmed 38 days ago
B
Retailer 18
-
$852 CAD
$609 USD
View
B
Retailer 19
-
$900 CAD
$643 USD
View
B
Retailer 20
-
$929 CAD
$664 USD
View
B
Retailer 21
-
$1,246 CAD
£701 GBP
View
Most Expensive
B
Reve Diamonds
8CF09C58A · Oct 28
$1,459 CAD
$1,043 USD
View
21 more retailers have this diamond
Prices start from $214 CADSave up to $1,245 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
$214 CAD