Marquise|Lab Grown|IGI

1.21ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG823694876

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823694876

Diamond specifications and retailer prices

From $788 CAD
$564 USD
As of October 30, 2026
Save $2,502 CAD (76%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,265 CAD at MOH London · As of October 21, 2026
View at MOH London

About this 1.21ct lab-grown marquise diamond

This 1.21ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG823694876 or 823694876. Listed at 22 retailers as of October 30, 2026, with a 318% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823694876
Dimensions10.56 × 5.67 × 3.56 mm
L/W Ratio1.86
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
10.56 mm5.67 mm1.21 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823694876
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.8%

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: Oct 30
Current: $4,265 CAD|Low: $757 CAD|High: $4,293 CAD|Avg: $1,924 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 15
Retailer 16
Retailer 17
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Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 30, 2026
Retailer 7$788 CAD
Retailer 14$881 CAD
Retailer 10$883 CAD
Retailer 4$976 CAD
Retailer 21$976 CAD
Retailer 9$1,073 CAD
Retailer 16$1,159 CAD
Retailer 3$1,249 CAD
Retailer 12$1,260 CAD
Retailer 17$1,484 CAD
Retailer 8$1,504 CAD
Retailer 2$1,525 CAD
Retailer 13$1,679 CAD
Retailer 22$2,424 CAD
Retailer 20$2,569 CAD
Retailer 15$2,853 CAD
Retailer 11$3,087 CAD
Retailer 18$3,157 CAD
Retailer 5$3,167 CAD
Retailer 19$3,192 CAD
Retailer 6$3,290 CAD
MOH London$4,265 CAD

41 data points across 22 retailers

22 retailers$788 CAD to $3,290 CAD

A
Cheapest Retailer
-
$788 CAD
$564 USD
A
Retailer 2
-
$881 CAD
$631 USD
View
Final sale: no returns
A
Retailer 3
-
$883 CAD
$632 USD
View
Retailer 4
-
$976 CAD
$699 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$976 CAD
$699 USD
View
B+
Retailer 6
-
$1,073 CAD
HK$6,000 HKD
View
B+
Retailer 7
-
$1,159 CAD
$830 USD
View
B+
Retailer 8
-
$1,249 CAD
$894 USD
View
B+
Retailer 9
-
$1,260 CAD
$902 USD
View
B+
Retailer 10
-
$1,484 CAD
€1,012 EUR
View
B+
Retailer 11
-
$1,504 CAD
$1,077 USD
View
B+
Retailer 12
-
$1,525 CAD
£859 GBP
View
B+
Retailer 13
-
$1,679 CAD
ZAR 19,418 ZAR
View
B
Retailer 14
-
$2,424 CAD
$1,735 USD
View
B
Retailer 15
-
$2,569 CAD
$1,839 USD
View
B
Retailer 16
-
$2,853 CAD
£1,608 GBP
View
B
Retailer 17
-
$3,087 CAD
SGD 2,986 SGD
View
B
Retailer 18
-
$3,157 CAD
$2,260 USD
View
B
Retailer 19
-
$3,167 CAD
$2,267 USD
View
B
Retailer 20
-
$3,192 CAD
$2,285 USD
View
B
Retailer 21
-
$3,290 CAD
$2,355 USD
View
Most Expensive
MOH London
LG823694876 · Oct 21
$4,265 CAD
£2,404 GBP
View
Price last confirmed 9 days ago
21 more retailers have this diamond
Prices start from $788 CADSave up to $2,502 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
$788 CAD