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Marquise|Lab Grown|IGI

1.21ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG823684681

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823684681

Diamond specifications and retailer prices

From $337 CAD
As of November 2, 2026
Save $2,890 CAD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,226 CAD at Do Amore Diamonds · As of November 3, 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 LG823684681 or 823684681. Listed at 17 retailers as of November 2, 2026, with prices from $337 to $3,226, a $2,890 spread on the same certified stone. Do Amore Diamonds lists it at $3,226. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823684681
Dimensions11.29 × 5.64 × 3.43 mm
L/W Ratio2.00
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
11.29 mm5.64 mm1.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823684681
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 60.8%

Caratlytics Score

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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 2
Current: $3,226 CAD|Low: $337 CAD|High: $3,226 CAD|Avg: $1,247 CAD
Do Amore Diamonds
Retailer 2
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 18
November 3, 2026
Retailer 17$337 CAD
Retailer 6$376 CAD
Retailer 16$390 CAD
Retailer 18$418 CAD
Retailer 8$704 CAD
Retailer 13$793 CAD
Retailer 5$837 CAD
Retailer 10$845 CAD
Retailer 11$873 CAD
Retailer 2$1,130 CAD
Retailer 12$1,166 CAD
Retailer 3$1,480 CAD
Retailer 7$1,715 CAD
Retailer 4$1,769 CAD
Retailer 14$1,844 CAD
Retailer 9$2,053 CAD
Retailer 15$2,356 CAD
Do Amore Diamonds$3,226 CAD

43 data points across 18 retailers

17 retailers$337 CAD to $3,226 CAD

A
Cheapest Retailer
-
$337 CAD
A
Retailer 2
-
$376 CAD
View
Final sale: no returns
A
Retailer 3
-
$390 CAD
View
A
Retailer 4
-
$418 CAD
View
A
Retailer 5
-
$704 CAD
View
A
Retailer 6
-
$793 CAD
View
A
Retailer 7
-
$837 CAD
View
A
Retailer 8
-
$873 CAD
View
B+
Retailer 9
-
$1,130 CAD
View
B+
Retailer 10
-
$1,166 CAD
View
B+
Retailer 11
-
$1,480 CAD
View
B+
Retailer 12
-
$1,715 CAD
View
B+
Retailer 13
-
$1,769 CAD
View
B+
Retailer 14
-
$1,844 CAD
View
Retailer 15
-
$2,053 CAD
View
Price last confirmed 29 days ago
B
Retailer 16
-
$2,356 CAD
View
Most Expensive
B
Do Amore Diamonds
27-617AE431C · Nov 3
$3,226 CAD
$2,310 USD
View
16 more retailers have this diamond
Prices start from $337 CADSave up to $2,890 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
$337 CAD