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Round|Lab Grown|IGI

3.11ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG792619889

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792619889

Diamond specifications and retailer prices

From $596 CAD
$427 USD
As of October 29, 2026
Save $2,365 CAD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,961 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.11ct lab-grown round diamond

This 3.11ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG792619889 or 792619889. Listed at 17 retailers as of October 28, 2026, with prices from $596 to $2,961, a $2,365 spread on the same certified stone. Brilliant Earth lists it at $2,961. 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

3.11
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792619889
Dimensions9.39 × 9.43 × 5.73 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
9.39 mm9.43 mm3.11 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792619889
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.9%

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: $2,961 CAD|Low: $596 CAD|High: $3,045 CAD|Avg: $1,657 CAD|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 8$596 CAD
Retailer 5$943 CAD
Retailer 10$1,164 CAD
Retailer 9$1,166 CAD
Retailer 4$1,179 CAD
Retailer 2$1,216 CAD
Retailer 7$1,777 CAD
Retailer 6$2,514 CAD
Retailer 3$2,732 CAD
Brilliant Earth$2,961 CAD

41 data points across 10 retailers

17 retailers$596 CAD to $2,961 CAD

A
Cheapest Retailer
-
$596 CAD
$427 USD
A
Retailer 2
-
$668 CAD
$478 USD
View
A
Retailer 3
-
$740 CAD
$530 USD
View
A
Retailer 4
-
$740 CAD
$530 USD
View
A
Retailer 5
-
$943 CAD
$675 USD
View
A
Retailer 6
-
$1,164 CAD
$833 USD
View
B+
Retailer 7
-
$1,166 CAD
$835 USD
View
A
Retailer 8
-
$1,179 CAD
€804 EUR
View
A
Retailer 9
-
$1,216 CAD
£686 GBP
View
B+
Retailer 10
-
$1,457 CAD
$1,043 USD
View
B
Retailer 11
-
$1,777 CAD
$1,272 USD
View
Retailer 12
-
$1,908 CAD
$1,366 USD
View
Price last confirmed 44 days ago
B
Retailer 13
-
$2,378 CAD
$1,702 USD
View
B
Retailer 14
-
$2,424 CAD
$1,735 USD
View
Retailer 15
-
$2,514 CAD
$1,800 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
$2,732 CAD
£1,540 GBP
View
Most Expensive
B
Brilliant Earth
18909503A · Oct 28
$2,961 CAD
$2,120 USD
View
16 more retailers have this diamond
Prices start from $596 CADSave up to $2,365 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
3.11ct Round
$596 CAD