Marquise|Lab Grown|IGI

1.21ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG795629390

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG795629390

Diamond specifications and retailer prices

From $330 CAD
As of November 4, 2026
Save $2,841 CAD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,170 CAD at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown marquise diamond

This 1.21ct 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 LG795629390 or 795629390. Listed at 15 retailers as of November 4, 2026, with prices from $330 to $3,170, a $2,841 spread on the same certified stone. Do Amore Diamonds lists it at $3,170. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795629390
Dimensions11.00 × 5.35 × 3.46 mm
L/W Ratio2.06
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
11.00 mm5.35 mm1.21 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795629390
Side View
Table 58.0%Crown 36.3°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 64.7%

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 4
Current: $3,170 CAD|Low: $323 CAD|High: $3,226 CAD|Avg: $1,374 CAD|-1.7%
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 4, 2026
Retailer 13$330 CAD
Retailer 4$383 CAD
Retailer 2$464 CAD
Retailer 7$656 CAD
Retailer 15$691 CAD
Retailer 12$763 CAD
Retailer 6$853 CAD
Retailer 8$1,108 CAD
Retailer 14$1,320 CAD
Retailer 3$1,451 CAD
Retailer 9$1,809 CAD
Retailer 5$2,039 CAD
Retailer 10$2,356 CAD
Retailer 11$2,486 CAD
Do Amore Diamonds$3,170 CAD

39 data points across 15 retailers

15 retailers$330 CAD to $3,170 CAD

A+
Cheapest Retailer
-
$330 CAD
A
Retailer 2
-
$383 CAD
View
A
Retailer 3
-
$464 CAD
View
A
Retailer 4
-
$691 CAD
View
Retailer 5
-
$763 CAD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$853 CAD
View
B+
Retailer 7
-
$1,108 CAD
View
B+
Retailer 8
-
$1,320 CAD
View
B+
Retailer 9
-
$1,451 CAD
View
B+
Retailer 10
-
$1,809 CAD
View
Retailer 11
-
$2,039 CAD
View
Price last confirmed 8 days ago
Retailer 12
-
$2,039 CAD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$2,356 CAD
View
B
Retailer 14
-
$2,486 CAD
View
Most Expensive
B
Do Amore Diamonds
27-595A3E66E · Nov 5
$3,170 CAD
$2,270 USD
View
14 more retailers have this diamond
Prices start from $330 CADSave up to $2,841 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
$330 CAD