CaratHunter
Plans
Marquise|Lab Grown|IGI

1.21ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG838645049

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838645049

Diamond specifications and retailer prices

From $457 CAD
As of November 4, 2026
Save $2,951 CAD (87%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $3,408 CAD at Do Amore Diamonds · As of November 4, 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 LG838645049 or 838645049. Listed at 27 retailers as of November 4, 2026, with prices from $457 to $3,408, a $2,951 spread on the same certified stone. Do Amore Diamonds lists it at $3,408. 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 angle34.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838645049
Dimensions10.48 × 5.58 × 3.49 mm
L/W Ratio1.88
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
10.48 mm5.58 mm1.21 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838645049
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.5%

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 4
Current: $3,408 CAD|Low: $427 CAD|High: $3,408 CAD|Avg: $1,389 CAD
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
Retailer 28
Retailer 29
November 5, 2026
Retailer 3$457 CAD
Retailer 14$511 CAD
Retailer 15$529 CAD
Retailer 20$529 CAD
Retailer 5$566 CAD
Retailer 23$641 CAD
Retailer 9$700 CAD
Retailer 6$782 CAD
Retailer 19$827 CAD
Retailer 18$838 CAD
Retailer 11$862 CAD
Retailer 8$934 CAD
Retailer 29$1,025 CAD
Retailer 28$1,077 CAD
Retailer 2$1,114 CAD
Retailer 26$1,352 CAD
Retailer 13$1,525 CAD
Retailer 25$1,587 CAD
Retailer 17$1,730 CAD
Retailer 4$1,859 CAD
Retailer 22$1,895 CAD
Retailer 10$2,010 CAD
Retailer 12$2,195 CAD
Retailer 16$2,225 CAD
Retailer 24$2,226 CAD
Retailer 21$2,376 CAD
Retailer 27$2,441 CAD
Retailer 7$3,271 CAD
Do Amore Diamonds$3,408 CAD

21 data points across 29 retailers

27 retailers$457 CAD to $3,408 CAD

A
Cheapest Retailer
-
$457 CAD
A
Retailer 2
-
$511 CAD
View
Final sale: no returns
Retailer 3
-
$529 CAD
View
Price last confirmed 24 days ago
A
Retailer 4
-
$529 CAD
View
A
Retailer 5
-
$566 CAD
View
A
Retailer 6
-
$641 CAD
View
A
Retailer 7
-
$700 CAD
View
A
Retailer 8
-
$782 CAD
View
A
Retailer 9
-
$838 CAD
View
A
Retailer 10
-
$841 CAD
View
A
Retailer 11
-
$862 CAD
View
B+
Retailer 12
-
$1,025 CAD
View
B+
Retailer 13
-
$1,077 CAD
View
B+
Retailer 14
-
$1,114 CAD
View
B+
Retailer 15
-
$1,352 CAD
View
B+
Retailer 16
-
$1,525 CAD
View
B+
Retailer 17
-
$1,587 CAD
View
B+
Retailer 18
-
$1,730 CAD
View
B+
Retailer 19
-
$1,859 CAD
View
B
Retailer 20
-
$2,010 CAD
View
B
Retailer 21
-
$2,195 CAD
View
B
Retailer 22
-
$2,225 CAD
View
B
Retailer 23
-
$2,226 CAD
View
Retailer 24
-
$2,376 CAD
View
Price last confirmed 28 days ago
B
Retailer 25
-
$2,441 CAD
View
B
Retailer 26
-
$3,271 CAD
View
Most Expensive
B
Do Amore Diamonds
20-E101725 · Nov 4
$3,408 CAD
$2,440 USD
View
26 more retailers have this diamond
Prices start from $457 CADSave up to $2,951 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
$457 CAD