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Marquise|Lab Grown|IGI

1.20ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG743546432

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG743546432

Diamond specifications and retailer prices

From $469 CAD
As of November 4, 2026
Save $2,326 CAD (83%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,795 CAD at MOH London · As of November 3, 2026
View at MOH London

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG743546432 or 743546432. Listed at 25 retailers as of November 3, 2026, with prices from $469 to $2,795, a $2,326 spread on the same certified stone. MOH London lists it at $2,795. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743546432
Dimensions11.13 × 5.41 × 3.40 mm
L/W Ratio2.06
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
11.13 mm5.41 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743546432
Side View
Table 61.0%Crown 36°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 62.8%

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: $2,795 CAD|Low: $469 CAD|High: $2,829 CAD|Avg: $1,494 CAD|-1.2%
MOH London
Retailer 2
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Retailer 24
November 5, 2026
Retailer 23$469 CAD
Retailer 22$527 CAD
Retailer 7$545 CAD
Retailer 13$582 CAD
Retailer 20$679 CAD
Retailer 19$761 CAD
Retailer 4$824 CAD
Retailer 18$1,028 CAD
Retailer 17$1,077 CAD
Retailer 2$1,101 CAD
Retailer 14$1,219 CAD
Retailer 11$1,311 CAD
Retailer 9$1,327 CAD
Retailer 15$1,432 CAD
Retailer 21$1,432 CAD
Retailer 3$1,709 CAD
Retailer 24$1,873 CAD
Retailer 10$1,933 CAD
Retailer 6$1,957 CAD
Retailer 16$2,130 CAD
Retailer 8$2,226 CAD
Retailer 5$2,275 CAD
Retailer 12$2,486 CAD
MOH London$2,795 CAD

27 data points across 24 retailers

25 retailers$469 CAD to $2,795 CAD

A
Cheapest Retailer
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$469 CAD
A
Retailer 2
-
$527 CAD
View
Final sale: no returns
A
Retailer 3
-
$545 CAD
View
A
Retailer 4
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$582 CAD
View
A
Retailer 5
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$679 CAD
View
A
Retailer 6
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$761 CAD
View
A
Retailer 7
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$824 CAD
View
A
Retailer 8
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$1,028 CAD
View
B+
Retailer 9
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$1,077 CAD
View
B+
Retailer 10
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$1,101 CAD
View
Retailer 11
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$1,219 CAD
View
Price last confirmed 7 days ago
B+
Retailer 12
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$1,311 CAD
View
B+
Retailer 13
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$1,327 CAD
View
B+
Retailer 14
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$1,432 CAD
View
B+
Retailer 15
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$1,432 CAD
View
B+
Retailer 16
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$1,709 CAD
View
B
Retailer 17
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$1,873 CAD
View
B
Retailer 18
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$1,933 CAD
View
B
Retailer 19
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$1,957 CAD
View
Retailer 20
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$2,130 CAD
View
Price last confirmed 8 days ago
B
Retailer 21
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$2,226 CAD
View
B
Retailer 22
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$2,275 CAD
View
Retailer 23
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$2,356 CAD
View
Price last confirmed 28 days ago
B
Retailer 24
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$2,486 CAD
View
Most Expensive
B
MOH London
LG743546432 · Nov 3
$2,795 CAD
£1,576 GBP
View
24 more retailers have this diamond
Prices start from $469 CADSave up to $2,326 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 Marquise
$469 CAD