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Round|Lab Grown|IGI

1.05ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG811647135

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811647135

Diamond specifications and retailer prices

From $405 CAD
As of November 5, 2026
Save $769 CAD (66%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,174 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG811647135 or 811647135. Listed at 9 retailers as of November 4, 2026, with prices from $405 to $1,174, a $769 spread on the same certified stone. MOH London lists it at $1,174. 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

1.05
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811647135
Dimensions6.49 × 6.45 × 4.05 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.49 mm6.45 mm1.05 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811647135
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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: Nov 5
Current: $1,174 CAD|Low: $406 CAD|High: $1,190 CAD|Avg: $622 CAD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3$429 CAD
Retailer 5$461 CAD
Retailer 7$465 CAD
Retailer 2$476 CAD
Retailer 4$601 CAD
Retailer 6$652 CAD
MOH London$1,174 CAD

42 data points across 7 retailers

9 retailers$405 CAD to $1,174 CAD

A
Cheapest Retailer
-
$405 CAD
A
Retailer 2
-
$429 CAD
View
A
Retailer 3
-
$461 CAD
View
A
Retailer 4
-
$465 CAD
View
B+
Retailer 5
-
$476 CAD
View
B+
Retailer 6
-
$601 CAD
View
B+
Retailer 7
-
$652 CAD
View
B
Retailer 8
-
$885 CAD
View
Most Expensive
B
MOH London
LG811647135 · Nov 4
$1,174 CAD
£662 GBP
View
8 more retailers have this diamond
Prices start from $405 CADSave up to $769 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
1.05ct Round
$405 CAD