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Marquise|Lab Grown|IGI

1.20ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG764689885

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG764689885

Diamond specifications and retailer prices

From $613 CAD
As of November 4, 2026
Save $2,892 CAD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,505 CAD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 LG764689885 or 764689885. Listed at 23 retailers as of November 4, 2026, with prices from $613 to $3,505, a $2,892 spread on the same certified stone. Brilliant Earth lists it at $3,505. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764689885
Dimensions10.74 × 5.53 × 3.48 mm
L/W Ratio1.94
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
10.74 mm5.53 mm1.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764689885
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.9%

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: Nov 4
Current: $3,505 CAD|Low: $613 CAD|High: $4,092 CAD|Avg: $1,691 CAD|-14.3%
Brilliant Earth
Retailer 2
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Retailer 23
November 5, 2026
Retailer 16$613 CAD
Retailer 10$686 CAD
Retailer 7$687 CAD
Retailer 5$760 CAD
Retailer 23$760 CAD
Retailer 6$839 CAD
Retailer 19$964 CAD
Retailer 9$1,075 CAD
Retailer 4$1,149 CAD
Retailer 11$1,194 CAD
Retailer 20$1,205 CAD
Retailer 13$1,244 CAD
Retailer 18$1,310 CAD
Retailer 2$1,859 CAD
Retailer 3$2,043 CAD
Retailer 21$2,144 CAD
Retailer 8$2,212 CAD
Retailer 14$2,412 CAD
Retailer 22$2,444 CAD
Retailer 15$2,490 CAD
Retailer 12$2,732 CAD
Retailer 17$2,783 CAD
Brilliant Earth$3,505 CAD

38 data points across 23 retailers

23 retailers$613 CAD to $3,505 CAD

A
Cheapest Retailer
-
$613 CAD
A
Retailer 2
-
$686 CAD
View
Final sale: no returns
A
Retailer 3
-
$687 CAD
View
Retailer 4
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$760 CAD
View
Price last confirmed 11 days ago
A
Retailer 5
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$760 CAD
View
A
Retailer 6
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$839 CAD
View
A
Retailer 7
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$964 CAD
View
B+
Retailer 8
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$1,075 CAD
View
B+
Retailer 9
-
$1,149 CAD
View
B+
Retailer 10
-
$1,194 CAD
View
Retailer 11
-
$1,205 CAD
View
Price last confirmed 9 days ago
B+
Retailer 12
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$1,244 CAD
View
B+
Retailer 13
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$1,310 CAD
View
B+
Retailer 14
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$1,859 CAD
View
B
Retailer 15
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$2,043 CAD
View
Retailer 16
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$2,144 CAD
View
Price last confirmed 8 days ago
B
Retailer 17
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$2,212 CAD
View
B
Retailer 18
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$2,412 CAD
View
B
Retailer 19
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$2,444 CAD
View
B
Retailer 20
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$2,490 CAD
View
B
Retailer 21
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$2,732 CAD
View
B
Retailer 22
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$2,783 CAD
View
Most Expensive
B
Brilliant Earth
19056600A · Nov 4
$3,505 CAD
$2,510 USD
View
22 more retailers have this diamond
Prices start from $613 CADSave up to $2,892 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
$613 CAD