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Marquise|Lab Grown|IGI

1.09ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG787621431

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787621431

Diamond specifications and retailer prices

From $590 CAD
HK$3,300 HKD
As of October 30, 2026
Save $1,645 CAD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,235 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.09ct lab-grown marquise diamond

This 1.09ct 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 LG787621431 or 787621431. Listed at 13 retailers as of October 30, 2026, with prices from $590 to $2,235, a $1,645 spread on the same certified stone. Brilliant Earth lists it at $2,235. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787621431
Dimensions10.72 × 5.51 × 3.38 mm
L/W Ratio1.95
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
10.72 mm5.51 mm1.09 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787621431
Side View
Table 59.0%Crown 33.9°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.3%

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: $2,235 CAD|Low: $590 CAD|High: $3,617 CAD|Avg: $1,526 CAD|-26.9%
Brilliant Earth
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
October 30, 2026
Retailer 10$590 CAD
Retailer 3$603 CAD
Retailer 13$707 CAD
Retailer 7$713 CAD
Retailer 11$717 CAD
Retailer 9$734 CAD
Retailer 2$812 CAD
Retailer 12$938 CAD
Retailer 4$1,378 CAD
Retailer 14$1,612 CAD
Retailer 8$1,721 CAD
Retailer 5$2,171 CAD
Brilliant Earth$2,235 CAD
Retailer 6$3,003 CAD

42 data points across 14 retailers

13 retailers$590 CAD to $2,235 CAD

A
Cheapest Retailer
-
$590 CAD
HK$3,300 HKD
A
Retailer 2
-
$603 CAD
$432 USD
View
A
Retailer 3
-
$707 CAD
$506 USD
View
A
Retailer 4
-
$713 CAD
€486 EUR
View
A
Retailer 5
-
$717 CAD
$513 USD
View
A
Retailer 6
-
$734 CAD
ZAR 8,488 ZAR
View
A
Retailer 7
-
$812 CAD
£457 GBP
View
A
Retailer 8
-
$938 CAD
$671 USD
View
B+
Retailer 9
-
$1,378 CAD
A$1,518 AUD
View
B+
Retailer 10
-
$1,612 CAD
$1,154 USD
View
B+
Retailer 11
-
$1,721 CAD
£970 GBP
View
B
Retailer 12
-
$2,171 CAD
$1,554 USD
View
Most Expensive
B
Brilliant Earth
20870155Y · Oct 30
$2,235 CAD
$1,600 USD
View
12 more retailers have this diamond
Prices start from $590 CADSave up to $1,645 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
1.09ct Marquise
$590 CAD