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Round|Lab Grown|IGI

1.20ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG670445426

Shape and cutting style on the report: Round brilliant

Certificate IGI LG670445426

Diamond specifications and retailer prices

From $375 CAD
As of November 4, 2026
Save $1,287 CAD (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,662 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG670445426 or 670445426. Listed at 20 retailers as of November 2, 2026, with prices from $375 to $1,662, a $1,287 spread on the same certified stone. MOH London lists it at $1,662. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670445426
Dimensions6.77 × 6.81 × 4.22 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
6.77 mm6.81 mm1.20 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670445426
Side View
Table 57.0%Crown 35.7°Girdle: MediumPavilion 40.9°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 4
Current: $1,662 CAD|Low: $387 CAD|High: $1,679 CAD|Avg: $873 CAD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 2$387 CAD
Retailer 3$582 CAD
Retailer 8$676 CAD
Retailer 5$713 CAD
Retailer 10$715 CAD
Retailer 6$718 CAD
Retailer 4$776 CAD
Retailer 9$1,014 CAD
Retailer 11$1,226 CAD
Retailer 7$1,338 CAD
MOH London$1,662 CAD

37 data points across 11 retailers

20 retailers$375 CAD to $1,662 CAD

A
Cheapest Retailer
-
$375 CAD
Final sale: no returns
A
Retailer 2
-
$387 CAD
View
Retailer 3
-
$415 CAD
View
Price last confirmed 11 days ago
B+
Retailer 4
-
$569 CAD
View
B+
Retailer 5
-
$582 CAD
View
Retailer 6
-
$670 CAD
View
Price last confirmed 126 days ago
B+
Retailer 7
-
$676 CAD
View
B+
Retailer 8
-
$713 CAD
View
B+
Retailer 9
-
$715 CAD
View
B+
Retailer 10
-
$718 CAD
View
B+
Retailer 11
-
$776 CAD
View
B+
Retailer 12
-
$851 CAD
View
B
Retailer 13
-
$1,014 CAD
View
B
Retailer 14
-
$1,053 CAD
View
B
Retailer 15
-
$1,226 CAD
View
B
Retailer 16
-
$1,336 CAD
View
B
Retailer 17
-
$1,338 CAD
View
B
Retailer 18
-
$1,405 CAD
View
B
Retailer 19
-
$1,473 CAD
View
Most Expensive
B
MOH London
LG670445426 · Nov 2
$1,662 CAD
£939 GBP
View
19 more retailers have this diamond
Prices start from $375 CADSave up to $1,287 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
1.20ct Round
$375 CAD