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Round|Lab Grown|IGI

1.05ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG783638340

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783638340

Diamond specifications and retailer prices

From $203 CAD
As of November 5, 2026
Save $972 CAD (83%) vs most expensive(unlock to see where)
16 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 LG783638340 or 783638340. Listed at 16 retailers as of November 4, 2026, with prices from $203 to $1,174, a $972 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783638340
Dimensions6.51 × 6.47 × 4.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.51 mm6.47 mm1.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783638340
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.1%

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: $196 CAD|High: $1,190 CAD|Avg: $547 CAD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$203 CAD
Retailer 7$251 CAD
Retailer 3$429 CAD
Retailer 2$444 CAD
Retailer 8$465 CAD
Retailer 10$532 CAD
Retailer 9$595 CAD
Retailer 4$642 CAD
Retailer 5$855 CAD
MOH London$1,174 CAD

43 data points across 10 retailers

16 retailers$203 CAD to $1,174 CAD

A
Cheapest Retailer
-
$203 CAD
A
Retailer 2
-
$236 CAD
View
Retailer 3
-
$251 CAD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$251 CAD
View
A
Retailer 5
-
$405 CAD
View
A
Retailer 6
-
$429 CAD
View
A
Retailer 7
-
$444 CAD
View
A
Retailer 8
-
$465 CAD
View
Retailer 9
-
$532 CAD
View
Price last confirmed 65 days ago
B+
Retailer 10
-
$595 CAD
View
B+
Retailer 11
-
$642 CAD
View
B+
Retailer 12
-
$652 CAD
View
B
Retailer 13
-
$809 CAD
View
B
Retailer 14
-
$855 CAD
View
B
Retailer 15
-
$885 CAD
View
Most Expensive
B
MOH London
LG783638340 · Nov 4
$1,174 CAD
£662 GBP
View
15 more retailers have this diamond
Prices start from $203 CADSave up to $972 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
$203 CAD