Marquise|Lab Grown|IGI

1.20ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG795629389

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG795629389

Diamond specifications and retailer prices

From $327 CAD
As of November 2, 2026
Save $2,816 CAD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,142 CAD at Do Amore Diamonds · As of November 3, 2026
View at Do Amore Diamonds

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 LG795629389 or 795629389. Listed at 15 retailers as of November 2, 2026, with prices from $327 to $3,142, a $2,816 spread on the same certified stone. Do Amore Diamonds lists it at $3,142. 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 angle33.8°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795629389
Dimensions11.13 × 5.52 × 3.40 mm
L/W Ratio2.02
Girdle conditionFaceted
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 mm5.52 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795629389
Side View
Table 60.0%Crown 33.8°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,142 CAD|Low: $321 CAD|High: $3,212 CAD|Avg: $1,393 CAD|-2.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 3, 2026
Retailer 12$327 CAD
Retailer 3$380 CAD
Retailer 8$461 CAD
Retailer 14$689 CAD
Retailer 11$756 CAD
Retailer 7$841 CAD
Retailer 6$905 CAD
Retailer 2$1,099 CAD
Retailer 13$1,310 CAD
Retailer 15$1,441 CAD
Retailer 9$1,796 CAD
Retailer 4$2,025 CAD
Retailer 5$2,356 CAD
Retailer 10$2,458 CAD
Do Amore Diamonds$3,142 CAD

38 data points across 15 retailers

15 retailers$327 CAD to $3,142 CAD

A+
Cheapest Retailer
-
$327 CAD
A
Retailer 2
-
$380 CAD
View
A
Retailer 3
-
$461 CAD
View
A
Retailer 4
-
$689 CAD
View
Retailer 5
-
$756 CAD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$841 CAD
View
A
Retailer 7
-
$905 CAD
View
B+
Retailer 8
-
$1,099 CAD
View
B+
Retailer 9
-
$1,310 CAD
View
B+
Retailer 10
-
$1,441 CAD
View
B+
Retailer 11
-
$1,796 CAD
View
Retailer 12
-
$2,025 CAD
View
Price last confirmed 8 days ago
Retailer 13
-
$2,356 CAD
View
Price last confirmed 28 days ago
B
Retailer 14
-
$2,458 CAD
View
Most Expensive
B
Do Amore Diamonds
27-43CFF974D · Nov 3
$3,142 CAD
$2,250 USD
View
14 more retailers have this diamond
Prices start from $327 CADSave up to $2,816 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
$327 CAD