CaratHunter
Plans
Marquise|Lab Grown|IGI

1.21ct F IF Marquise Lab Grown Diamond

ID • F/IF • IGI LG786675964

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG786675964

Diamond specifications and retailer prices

From $385 CAD
As of November 6, 2026
Save $2,104 CAD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,490 CAD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.21ct lab-grown marquise diamond

This 1.21ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG786675964 or 786675964. Listed at 17 retailers as of November 6, 2026, with prices from $385 to $2,490, a $2,104 spread on the same certified stone. Brilliant Earth lists it at $2,490. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786675964
Dimensions11.19 × 5.56 × 3.40 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.19 mm5.56 mm1.21 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786675964
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
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 6
Current: $724 CAD|Low: $385 CAD|High: $1,791 CAD|Avg: $1,034 CAD|-3.4%
Retailer 1
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 6, 2026
Retailer 14$385 CAD
Retailer 10$401 CAD
Retailer 11$577 CAD
Retailer 7$661 CAD
Retailer 1$724 CAD
Retailer 8$774 CAD
Retailer 12$805 CAD
Retailer 5$871 CAD
Retailer 4$1,052 CAD
Retailer 6$1,135 CAD
Retailer 15$1,381 CAD
Retailer 3$1,386 CAD
Retailer 9$1,447 CAD
Retailer 13$1,495 CAD
Retailer 2$1,716 CAD

24 data points across 15 retailers

17 retailers$385 CAD to $2,490 CAD

A
Cheapest Retailer
-
$385 CAD
Final sale: no returns
A
Retailer 2
-
$401 CAD
View
A
Retailer 3
-
$577 CAD
View
Retailer 4
-
$661 CAD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$724 CAD
View
A
Retailer 6
-
$774 CAD
View
A
Retailer 7
-
$805 CAD
View
A
Retailer 8
-
$871 CAD
View
B+
Retailer 9
-
$1,052 CAD
View
B+
Retailer 10
-
$1,135 CAD
View
B+
Retailer 11
-
$1,381 CAD
View
B+
Retailer 12
-
$1,386 CAD
View
B+
Retailer 13
-
$1,447 CAD
View
B+
Retailer 14
-
$1,495 CAD
View
Retailer 15
-
$1,568 CAD
View
Price last confirmed 33 days ago
B+
Retailer 16
-
$1,716 CAD
View
Most Expensive
B
Brilliant Earth
18735861A · Nov 6
$2,490 CAD
$1,770 USD
View
16 more retailers have this diamond
Prices start from $385 CADSave up to $2,104 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
1.21ct Marquise
$385 CAD